AMS 5391 ROUND BAR MANUFACTURING: COMPLETE GUIDE TO INCONEL 713C, UNS N07713, INTERNATIONAL EQUIVALENTS, SPECIFICATIONS, APPLICATIONS & GLOBAL TERMS IMPORTANT SPECIFICATION NOTE: SAE AMS 5391 IS OFFICIALLY AN INVESTMENT-CASTING SPECIFICATION, NOT A CONVENTIONAL WROUGHT-ROUND-BAR SPECIFICATION. SAE IDENTIFIES AMS 5391 AS A NICKEL-BASE, CORROSION- AND HEAT-RESISTANT ALLOY FOR INVESTMENT CASTINGS. CURRENT SAE RECORDS SHOW REVISION AMS5391J, REVISED JULY 16, 2025) THEREFORE, A PRODUCT MARKETED AS “AMS 5391 ROUND BAR” SHOULD BE DESCRIBED CAREFULLY AS INCONEL 713C / UNS N07713 ROUND BAR, CAST BAR, MASTER-ALLOY BAR, OR ROUND STOCK PRODUCED TO AN APPLICABLE PURCHASE SPECIFICATION, UNLESS THE ACTUAL MATERIAL CERTIFICATION SPECIFICALLY ESTABLISHES AMS 5391 COMPLIANCE. AMS 5391 ROUND BAR MANUFACTURING — INCONEL 713C / UNS N07713 AMS 5391, COMMONLY ASSOCIATED IN THE MARKETPLACE WITH INCONEL 713C, IS A NICKEL-BASED, PRECIPITATION-STRENGTHENED SUPERALLOY DESIGNED FOR DEMANDING HIGH-TEMPERATURE AND OXIDATION-RESISTANT APPLICATIONS. ITS ALLOY SYSTEM IS BASED PRINCIPALLY ON NICKEL WITH CHROMIUM, MOLYBDENUM, ALUMINUM, TITANIUM, NIOBIUM/COLUMBIUM, BORON AND ZIRCONIUM ADDITIONS. THE MATERIAL IS PARTICULARLY ASSOCIATED WITH INVESTMENT CASTINGS, TURBINE BLADES, TURBOCHARGER COMPONENTS, GAS-TURBINE HOT-SECTION COMPONENTS AND OTHER HIGH-TEMPERATURE ENGINEERING PARTS. SAE DESCRIBES AMS 5391 SPECIFICALLY AS AN INVESTMENT-CASTING SPECIFICATION, WHILE INDUSTRY SOURCES IDENTIFY UNS N07713 WITH INCONEL 713C. FOR AND INTERNATIONAL PROCUREMENT, BUYERS MAY ENCOUNTER SEARCHES SUCH AS: AMS 5391 ROUND BAR, AMS5391 ROUND BAR, AMS 5391 BAR, AMS 5391 ALLOY BAR, AMS 5391 NICKEL ALLOY, AMS 5391 INCONEL 713C, INCONEL 713C ROUND BAR, INCONEL 713C BAR, INCONEL 713C ROD, UNS N07713 ROUND BAR, UNS N07713 BAR, N07713 NICKEL ALLOY, 713C NICKEL ALLOY, 713C SUPERALLOY, NICKEL SUPERALLOY ROUND BAR, AEROSPACE NICKEL ALLOY BAR, TURBINE BLADE ALLOY, GAS TURBINE ALLOY, INVESTMENT CASTING ALLOY, HIGH TEMPERATURE ALLOY BAR. THESE ARE USEFUL TARGET PHRASES, BUT EXACT WORLDWIDE MONTHLY SEARCH VOLUMES SHOULD BE OBTAINED FROM A COMMERCIAL KEYWORD DATABASE SUCH AS GOOGLE ADS KEYWORD PLANNER, SEMRUSH, AHREFS OR SIMILAR; PUBLIC WEB SEARCH RESULTS DO NOT ESTABLISH EXACT GLOBAL SEARCH-VOLUME NUMBERS. WHAT IS AMS 5391? AMS 5391 IS A SAE AEROSPACE MATERIAL SPECIFICATION COVERING A CORROSION- AND HEAT-RESISTANT NICKEL ALLOY IN THE FORM OF INVESTMENT CASTINGS. THE SAE SPECIFICATION TITLE IDENTIFIES THE ALLOY SYSTEM AS: NICKEL BASE – 13CR – 4.5MO – 0.75TI – 6AL – 2.3(CB+TA), VACUUM MELTED LATER REVISIONS DESCRIBE THE ALLOY AS APPROXIMATELY: 73NI – 0.14C – 13CR – 4.5MO – 2.3CB(NB) – 0.75TI – 6.0AL – 0.010B – 0.10ZR, VACUUM CAST, AS-CAST. THE SPECIFICATION DATES BACK TO 1960, AND SAE'S CURRENT RECORD IDENTIFIES AMS5391J AS THE JULY 2025 REVISION. KEY IDENTIFICATION SAE SPECIFICATION: AMS 5391 / AMS5391 CURRENT SAE REVISION: AMS5391J MATERIAL FAMILY: NICKEL-BASED SUPERALLOY COMMON ALLOY NAME: INCONEL 713C UNS N07713 PRODUCT SPECIFICALLY COVERED BY AMS 5391: INVESTMENT CASTINGS TYPICAL CONDITION: VACUUM CAST, AS-CAST MAJOR APPLICATIONS: TURBINE BLADES, TURBOCHARGERS, HOT-SECTION COMPONENTS STRENGTHENING MECHANISM: PRECIPITATION STRENGTHENING / Γ′ STRENGTHENING MAJOR ALLOYING ELEMENTS: NI, CR, MO, AL, NB/CB, TI, B, ZR INCONEL 713C ROUND BAR AND AMS 5391: THE CORRECT TERMINOLOGY A MAJOR ISSUE IN ONLINE METAL CATALOGS IS THE INTERCHANGEABLE USE OF AMS 5391, INCONEL 713C, UNS N07713, AND ROUND BAR. THEY ARE NOT NECESSARILY IDENTICAL DESCRIPTIONS. AMS 5391 SPECIFIES A CASTING PRODUCT FORM. CONSEQUENTLY, AN ORDINARY WROUGHT ROUND BAR SHOULD NOT AUTOMATICALLY BE ADVERTISED AS “AMS 5391 CERTIFIED.” FOR PURCHASING AND TECHNICAL DOCUMENTATION, THE BETTER DESCRIPTIONS CAN INCLUDE: • INCONEL 713C ROUND BAR • UNS N07713 ROUND BAR • UNS N07713 CAST ROUND BAR • INCONEL 713C CAST BAR • 713C NICKEL SUPERALLOY BAR • INCONEL 713C ROD • 713C MASTER ALLOY BAR • 713C INVESTMENT-CASTING FEEDSTOCK • N07713 NICKEL ALLOY STOCK INDUSTRY SUPPLIERS DO MARKET INCONEL 713C ROUND BARS AND CAST ROUND STOCK, WHILE SAE'S OFFICIAL SPECIFICATION REMAINS SPECIFICALLY DIRECTED TOWARD INVESTMENT CASTINGS. INTERNATIONAL EQUIVALENTS AND CROSS-REFERENCE DESIGNATIONS THE MOST COMMONLY ENCOUNTERED INTERNATIONAL IDENTIFIERS ASSOCIATED WITH INCONEL 713C / UNS N07713 INCLUDE: USA – UNS N07713 USA – SAE AMS 5391 — INVESTMENT CASTINGS USA – SAE AMS 5377 — ASSOCIATED 713-SERIES CASTING SPECIFICATION TRADE NAME: INCONEL 713C CHINA K418 / K18 — COMMONLY CITED EQUIVALENTS/NEAR-EQUIVALENTS CHINA GB/T 14992-RELATED DESIGNATION CHINA AEROSPACE HB 5162-RELATED REFERENCES RUSSIA ЖС13 / ВЖЛ13 — COMMONLY CITED EQUIVALENTS/NEAR-EQUIVALENTS EUROPE NICR12MO4AL6 REFERENCES OCCUR IN COMMERCIAL CROSS-REFERENCE LITERATURE WERKSTOFF REFERENCES: WNR 2.4663 / WNR 2.4670 / WNR 2.4671 ARE VARIOUSLY REPORTED IN COMMERCIAL SOURCES AND SHOULD BE VERIFIED AGAINST THE ACTUAL PROCUREMENT SPECIFICATION GENERIC DESIGNATION: ALLOY 713C / 713C UNS MATERIAL FAMILY: UNS N07713 COMMERCIAL CROSS-REFERENCE SOURCES ASSOCIATE N07713/713C WITH CHINESE K418/K18 AND RUSSIAN ЖС13/ВЖЛ13 DESIGNATIONS, BUT CROSS-REFERENCE TABLES SHOULD NOT BE TREATED AS AUTOMATIC PROOF OF CHEMICAL, MECHANICAL OR CERTIFICATION EQUIVALENCE. BEST PRACTICE: ALWAYS PURCHASE AGAINST THE EXACT STANDARD AND REVISION REQUIRED BY THE ENGINEERING DRAWING OR CUSTOMER PURCHASE ORDER. COMMON NAMES AND TRADE NAMES FOR INTERNATIONAL SEO, PROCUREMENT AND MATERIAL SEARCHES, THE ALLOY CAN APPEAR UNDER SEVERAL NAMES. PRIMARY NAMES • INCONEL 713C • INCONEL 713C • ALLOY 713C • 713C • UNS N07713 • NICKEL ALLOY 713C • NICKEL-BASED SUPERALLOY 713C • CAST NICKEL SUPERALLOY 713C • N07713 NICKEL ALLOY PRODUCT-FORM SEARCHES • INCONEL 713C ROUND BAR • INCONEL 713C BAR • INCONEL 713C ROD • N07713 ROUND BAR • N07713 BAR • N07713 ROD • 713C CAST BAR • 713C CAST ROUND BAR • 713C MASTER ALLOY BAR • 713C INVESTMENT CASTING MATERIAL MATWEB IDENTIFIES ALLOY 713C AS A CAST NICKEL-BASE SUPERALLOY, UNS N07713, WITH TYPICAL APPLICATIONS INCLUDING JET-ENGINE BLADES AND OTHER HIGH-TEMPERATURE PARTS. BRAND NAMES AND RELATED COMMERCIAL DESIGNATIONS INCONEL IS A TRADEMARK ASSOCIATED WITH THE INCO FAMILY OF COMPANIES. INDUSTRY STANDARDS DOCUMENTS ALSO IDENTIFY INCONEL 713C WITH UNS N07713) RELATED ALLOYS SOMETIMES APPEARING IN SEARCHES INCLUDE: • INCONEL 713C • INCONEL 713LC • ALLOY 713C • ALLOY 713LC • MAR-M 246 • MAR-M 247 • RENE' 77 THESE ARE NOT INTERCHANGEABLE GRADES. AMS 2773'S ALLOY TABLE, FOR EXAMPLE, SEPARATELY IDENTIFIES N07713 AS INCONEL 713C AND LISTS MAR-M AND OTHER SUPERALLOYS SEPARATELY. 713C VS 713LC ONE PARTICULARLY IMPORTANT DISTINCTION IS BETWEEN 713C AND 713LC. 713LC IS A LOWER-CARBON VARIANT INTENDED TO PROVIDE DIFFERENT DUCTILITY AND CASTING CHARACTERISTICS. A SUPPLIER SHOULD NEVER SUBSTITUTE 713LC FOR 713C SIMPLY BECAUSE THE TWO GRADES HAVE SIMILAR NAMES. VILLARES METALS, FOR EXAMPLE, LISTS ALLOY 713C UNDER AMS 5391 AND ALLOY 713LC UNDER AMS 5377) APPROXIMATE CHEMICAL COMPOSITION OF INCONEL 713C PUBLISHED COMMERCIAL AND REFERENCE SOURCES COMMONLY REPORT THE FOLLOWING COMPOSITION RANGE FOR ALLOY 713C: NICKEL BALANCE CHROMIUM 12.0–14.0% MOLYBDENUM APPROXIMATELY 4%–5% ALUMINUM 5.5–6.5% NIOBIUM + TANTALUM APPROXIMATELY 1.8–2.8% TITANIUM 0.5–1.0% CARBON APPROXIMATELY 0.08–0.20% BORON APPROXIMATELY 0.005–0.015% ZIRCONIUM APPROXIMATELY 0.05–0.15% IRON COMMONLY CONTROLLED TO A LOW MAXIMUM SILICON COMMONLY CONTROLLED TO A LOW MAXIMUM MANGANESE COMMONLY CONTROLLED TO A LOW MAXIMUM A COMMERCIAL CROSS-REFERENCE GIVES CR 12–14%, MO 4–5%, AL 5.5–6.5%, NB 1.8–2.8%, TI 0.5–1.0%, C 0.08–0.20%, B 0.005–0.015% AND ZR 0.05–0.15%. DO NOT USE A GENERIC COMPOSITION TABLE AS A SUBSTITUTE FOR THE CONTROLLED COMPOSITION IN THE APPLICABLE AMS REVISION. WHY EACH ALLOYING ELEMENT MATTERS NICKEL — NI NICKEL FORMS THE MATRIX OF THE ALLOY AND PROVIDES THE FOUNDATION FOR HIGH-TEMPERATURE MECHANICAL PERFORMANCE AND CORROSION/OXIDATION RESISTANCE. CHROMIUM — CR CHROMIUM CONTRIBUTES TO OXIDATION AND CORROSION RESISTANCE AND ASSISTS FORMATION OF PROTECTIVE OXIDE FILMS AT ELEVATED TEMPERATURE. MOLYBDENUM — MO MOLYBDENUM CONTRIBUTES TO SOLID-SOLUTION STRENGTHENING AND HIGH-TEMPERATURE MECHANICAL PERFORMANCE. ALUMINUM — AL ALUMINUM IS PARTICULARLY IMPORTANT BECAUSE IT CONTRIBUTES TO FORMATION OF THE Γ′ STRENGTHENING PHASE AND OXIDATION RESISTANCE. TITANIUM — TI TITANIUM PARTICIPATES IN PRECIPITATION STRENGTHENING AND INFLUENCES THE ALLOY'S HIGH-TEMPERATURE MICROSTRUCTURE. NIOBIUM / COLUMBIUM — NB / CB OLDER AEROSPACE SPECIFICATIONS FREQUENTLY USE CB (COLUMBIUM) WHERE MODERN TERMINOLOGY GENERALLY USES NB (NIOBIUM). THIS IS IMPORTANT WHEN SEARCHING HISTORICAL AMS DOCUMENTS AND INTERNATIONAL MATERIAL CERTIFICATES. BORON — B SMALL BORON ADDITIONS CAN INFLUENCE GRAIN-BOUNDARY CHARACTERISTICS AND HIGH-TEMPERATURE STRENGTH. ZIRCONIUM — ZR ZIRCONIUM IS USED IN CONTROLLED QUANTITIES TO INFLUENCE GRAIN-BOUNDARY BEHAVIOR AND HIGH-TEMPERATURE PERFORMANCE. MANUFACTURING PROCESS FOR AMS 5391 / INCONEL 713C CAST ROUND STOCK BECAUSE AMS 5391 IS A CASTING SPECIFICATION, MANUFACTURING BEGINS DIFFERENTLY FROM CONVENTIONAL WROUGHT NICKEL-ALLOY BAR PRODUCTION. 1) RAW MATERIAL SELECTION HIGH-PURITY NICKEL, CHROMIUM, MOLYBDENUM, ALUMINUM, TITANIUM, NIOBIUM AND CONTROLLED MINOR ADDITIONS ARE SELECTED ACCORDING TO THE REQUIRED CHEMISTRY. CHARGE MATERIALS MUST BE CAREFULLY CONTROLLED BECAUSE EVEN SMALL DEVIATIONS IN REACTIVE ELEMENTS CAN INFLUENCE THE FINAL CASTING MICROSTRUCTURE. 2) VACUUM MELTING VACUUM MELTING IS A KEY PART OF THE MATERIAL'S PRODUCTION ROUTE. THE PURPOSE IS TO REDUCE UNWANTED CONTAMINATION AND IMPROVE CONTROL OVER: • OXYGEN • NITROGEN • HYDROGEN • SULFUR • TRACE ELEMENTS • INCLUSION POPULATION • ALLOY CHEMISTRY AMS 5391 IDENTIFIES THE MATERIAL AS A VACUUM-MELTED/VACUUM-CAST NICKEL ALLOY IN ITS HISTORICAL AND CURRENT DESCRIPTIONS. 3) ALLOY REFINING AND CHEMISTRY CONTROL AFTER INITIAL MELTING, THE MANUFACTURER CONTROLS THE BATH CHEMISTRY. SPECTROMETRIC ANALYSIS IS TYPICALLY USED TO VERIFY MAJOR ELEMENTAL CONCENTRATIONS, WHILE APPROPRIATE LABORATORY TECHNIQUES MAY BE USED FOR LOW-LEVEL ELEMENTS. THE OBJECTIVE IS NOT SIMPLY TO ACHIEVE A NOMINAL CHEMISTRY BUT TO MAINTAIN THE REQUIRED CHEMISTRY CONSISTENTLY FROM HEAT TO HEAT. 4) INVESTMENT CASTING AMS 5391 IS SPECIFICALLY ASSOCIATED WITH INVESTMENT CASTING. THE INVESTMENT CASTING PROCESS CAN PRODUCE COMPLEX NEAR-NET-SHAPE COMPONENTS SUCH AS: • TURBINE BLADES • VANES • TURBOCHARGER COMPONENTS • HOT-SECTION COMPONENTS • COMPLEX AEROSPACE CASTINGS THE PROCESS MINIMIZES THE AMOUNT OF MACHINING REQUIRED FOR GEOMETRICALLY COMPLEX COMPONENTS. 5) CERAMIC SHELL PRODUCTION FOR INVESTMENT CASTING, A WAX OR EQUIVALENT EXPENDABLE PATTERN IS PRODUCED AND COATED WITH SUCCESSIVE CERAMIC LAYERS. THE SHELL IS DRIED AND STRENGTHENED BEFORE THE PATTERN IS REMOVED. 6) VACUUM POURING THE PREPARED MOLD IS PLACED INTO THE APPROPRIATE CONTROLLED CASTING ENVIRONMENT. MOLTEN 713C ALLOY IS POURED UNDER CONTROLLED CONDITIONS TO REDUCE CONTAMINATION AND IMPROVE METALLURGICAL CONSISTENCY. 7) SOLIDIFICATION CONTROL SOLIDIFICATION IS CRITICAL. THE MANUFACTURER MUST CONTROL: • POURING TEMPERATURE • MOLD TEMPERATURE • COOLING RATE • SECTION THICKNESS • FEEDING • SHRINKAGE • HOT SPOTS • POROSITY • GRAIN STRUCTURE IMPROPER SOLIDIFICATION CAN CAUSE INTERNAL DEFECTS THAT REDUCE FATIGUE, CREEP AND RUPTURE PERFORMANCE. MANUFACTURING ROUND BAR FROM INCONEL 713C IF THE COMMERCIAL REQUIREMENT IS SPECIFICALLY FOR 713C ROUND BAR, THE MANUFACTURING ROUTE SHOULD BE CLEARLY STATED. DEPENDING ON THE INTENDED APPLICATION, THE MATERIAL MAY BE PRODUCED AS: VACUUM-MELTED ALLOY → CAST BILLET/MASTER BAR → CONTROLLED SOLIDIFICATION → SURFACE CONDITIONING → MACHINING → CENTERLESS GRINDING/POLISHING → INSPECTION → CERTIFICATION HOWEVER, THIS DOES NOT AUTOMATICALLY TRANSFORM THE PRODUCT INTO AN AMS 5391-CERTIFIED WROUGHT BAR. FOR AEROSPACE PROCUREMENT, THE PRODUCT CERTIFICATE SHOULD CLEARLY IDENTIFY: 1. ALLOY DESIGNATION 2. UNS NUMBER 3. APPLICABLE AMS SPECIFICATION 4. PRODUCT FORM 5. HEAT/LOT NUMBER 6. MELTING ROUTE 7. CHEMICAL ANALYSIS 8. MECHANICAL TESTING WHERE APPLICABLE 9. NDT REQUIREMENTS 10. DIMENSIONAL REQUIREMENTS 11. HEAT-TREATMENT CONDITION 12. INSPECTION REQUIREMENTS HEAT TREATMENT AND MICROSTRUCTURE INCONEL 713C IS A PRECIPITATION-STRENGTHENED NICKEL-BASE SUPERALLOY. ITS PERFORMANCE IS STRONGLY INFLUENCED BY: • Γ MATRIX • Γ′ PRECIPITATES • CARBIDES • BORIDES • GRAIN MORPHOLOGY • SEGREGATION • COOLING RATE • CASTING STRUCTURE BECAUSE THE PRECISE HEAT-TREATMENT REQUIREMENTS DEPEND ON THE APPLICABLE MATERIAL/PRODUCT SPECIFICATION, MANUFACTURERS SHOULD FOLLOW THE CURRENT CUSTOMER-SPECIFIED AMS REQUIREMENT RATHER THAN APPLYING A GENERIC HEAT-TREATMENT SCHEDULE COPIED FROM AN UNRELATED ALLOY DATASHEET. SAE AMS 2773, FOR EXAMPLE, IDENTIFIES N07713 / INCONEL 713C IN ITS HEAT-TREATMENT REFERENCE TABLES AND ASSOCIATES IT WITH AMS 5377) MECHANICAL AND HIGH-TEMPERATURE CHARACTERISTICS PUBLISHED REFERENCE DATA DEMONSTRATE WHY 713C IS ATTRACTIVE FOR HIGH-TEMPERATURE TURBINE APPLICATIONS. MATWEB REPORTS ALLOY 713C AS A CAST NICKEL SUPERALLOY AND PROVIDES HIGH-TEMPERATURE RUPTURE-STRENGTH DATA EXTENDING TO APPROXIMATELY 982°C AND 1, 090°C FOR SPECIFIC TEST DURATIONS. TYPICAL ENGINEERING ADVANTAGES INCLUDE: • HIGH-TEMPERATURE STRENGTH • CREEP RESISTANCE • STRESS-RUPTURE RESISTANCE • OXIDATION RESISTANCE • GOOD DIMENSIONAL STABILITY AT ELEVATED TEMPERATURE • HIGH Γ′ PRECIPITATION STRENGTHENING • SUITABILITY FOR COMPLEX INVESTMENT-CAST COMPONENTS EXACT DESIGN PROPERTIES SHOULD ALWAYS BE TAKEN FROM THE APPROVED MATERIAL SPECIFICATION, QUALIFICATION DATA OR SUPPLIER TEST CERTIFICATE RATHER THAN GENERIC ONLINE TABLES. AMS 5391 APPLICATIONS THE MOST IMPORTANT APPLICATION AREAS INCLUDE: AEROSPACE • JET-ENGINE TURBINE BLADES • TURBINE VANES • HOT-SECTION COMPONENTS • AIRCRAFT PROPULSION COMPONENTS • HIGH-TEMPERATURE CASTINGS GAS TURBINES • INDUSTRIAL GAS TURBINES • TURBINE BLADES • HOT-SECTION HARDWARE • STATIONARY TURBINE COMPONENTS TURBOCHARGERS 713C HAS LONG BEEN ASSOCIATED WITH TURBOCHARGER AND HIGH-TEMPERATURE ROTATING COMPONENTS. COMMERCIAL METALLURGY SOURCES ALSO IDENTIFY ALLOY 713C FOR TURBO ROTORS AND TURBINE COMPONENTS. POWER GENERATION • GAS TURBINE SYSTEMS • HIGH-TEMPERATURE ROTATING EQUIPMENT • ENERGY-GENERATION HOT-SECTION COMPONENTS AUTOMOTIVE PERFORMANCE • TURBOCHARGER COMPONENTS • HIGH-TEMPERATURE EXHAUST-RELATED COMPONENTS • SPECIALIZED MOTORSPORT COMPONENTS AMS 5391 VS AMS 5377 THIS IS AN IMPORTANT AND PROCUREMENT DISTINCTION. AMS 5391 713C / N07713 INVESTMENT CASTINGS AMS 5377 713LC / RELATED 713-SERIES CASTING MATERIAL INVESTMENT CASTING / HEAT-RESISTANT ALLOY APPLICATIONS SAE'S AMS 5391 RECORD EXPLICITLY IDENTIFIES INVESTMENT CASTINGS, WHILE INDUSTRY MATERIAL REFERENCES ASSOCIATE N07713/INCONEL 713C WITH AMS 5377 IN HEAT-TREATMENT DOCUMENTATION. NEVER SPECIFY AMS 5377 MERELY BECAUSE A BUYER ASKS FOR AMS 5391) CONFIRM THE GRADE AND PRODUCT FORM. AMS 5391 AND ASTM STANDARDS A COMMON MISTAKE IS TO LIST EVERY ASTM NICKEL-ALLOY BAR SPECIFICATION AS IF IT WERE DIRECTLY APPLICABLE TO AMS 5391. THAT IS TECHNICALLY MISLEADING. FOR EXAMPLE, COMMONLY SEARCHED NICKEL-ALLOY BAR STANDARDS INCLUDE: • ASTM B166 • ASTM B408 • ASTM B425 • ASTM B637 • ASTM B865 • ASTM B564 BUT THESE STANDARDS COVER PARTICULAR NICKEL/CHROMIUM ALLOYS AND PRODUCT FORMS AND SHOULD NOT AUTOMATICALLY BE REPRESENTED AS STANDARDS FOR UNS N07713 / AMS 5391. FOR AN AMS 5391 PROJECT, THE APPLICABLE STANDARDS MUST BE DETERMINED FROM THE ACTUAL PURCHASE ORDER, DRAWING, CASTING SPECIFICATION AND MATERIAL CERTIFICATION. TESTING AND QUALITY CONTROL A HIGH-QUALITY 713C MATERIAL SUPPLIER SHOULD HAVE A DOCUMENTED INSPECTION PROGRAM COVERING THE APPLICABLE REQUIREMENTS. POTENTIAL CONTROLS INCLUDE: CHEMICAL ANALYSIS VERIFICATION OF: • NI • CR • MO • AL • TI • NB/CB • B • ZR • C • FE • SI • MN • OTHER SPECIFIED RESIDUAL ELEMENTS MECHANICAL TESTING DEPENDING ON THE APPLICABLE PRODUCT SPECIFICATION: • TENSILE TESTING • YIELD-STRENGTH DETERMINATION • ELONGATION • STRESS-RUPTURE TESTING • CREEP TESTING • HARDNESS METALLURGICAL EXAMINATION POTENTIAL EXAMINATION INCLUDES: • MICROSTRUCTURE • GRAIN STRUCTURE • CARBIDE MORPHOLOGY • POROSITY • SEGREGATION • INCLUSIONS • CASTING DEFECTS NONDESTRUCTIVE TESTING DEPENDING ON CUSTOMER REQUIREMENTS: • LIQUID PENETRANT TESTING • RADIOGRAPHIC TESTING • ULTRASONIC TESTING • DIMENSIONAL INSPECTION • VISUAL INSPECTION SURFACE FINISHING OF 713C ROUND BAR WHERE ROUND STOCK IS SUPPLIED FOR MACHINING OR COMPONENT PRODUCTION, FINISHING OPERATIONS CAN INCLUDE: • BLACK/AS-CAST SURFACE • TURNED SURFACE • PEELED SURFACE • CENTERLESS GROUND • PRECISION GROUND • POLISHED • BRIGHT FINISH THE FINAL FINISH SHOULD BE SPECIFIED ACCORDING TO THE DRAWING OR PURCHASE ORDER. MACHINING CONSIDERATIONS INCONEL 713C BELONGS TO THE DIFFICULT-TO-MACHINE FAMILY OF NICKEL-BASED SUPERALLOYS. MACHINING CHALLENGES CAN INCLUDE: • HIGH CUTTING FORCES • WORK HARDENING • HEAT CONCENTRATION AT THE CUTTING EDGE • ABRASIVE/INTERMETALLIC CONSTITUENTS • TOOL WEAR • REDUCED CUTTING-TOOL LIFE • DIFFICULTY MAINTAINING DIMENSIONAL TOLERANCES RECOMMENDED PRODUCTION PRACTICE GENERALLY EMPHASIZES: • RIGID MACHINE SETUP • SHARP CUTTING TOOLS • CONTROLLED CUTTING SPEEDS • ADEQUATE COOLANT • APPROPRIATE FEED RATES • MINIMAL TOOL DWELL • STABLE WORKHOLDING • FREQUENT DIMENSIONAL VERIFICATION FOR PRECISION AEROSPACE COMPONENTS, MACHINING PARAMETERS SHOULD BE ESTABLISHED THROUGH CONTROLLED PROCESS QUALIFICATION RATHER THAN COPIED DIRECTLY FROM GENERIC INCONEL MACHINING TABLES. SIMILAR AND RELATED NICKEL SUPERALLOYS WHEN CUSTOMERS SEARCH FOR ALTERNATIVES TO 713C, THEY MAY ALSO ENCOUNTER: INCONEL 713C UNS N07713 MAIN DISTINCTION: CAST Γ′-STRENGTHENED NICKEL SUPERALLOY INCONEL 713LC 713LC / AMS 5377 REFERENCES MAIN DISTINCTION: LOWER-CARBON 713 VARIANT INCONEL 718 UNS N07718 MAIN DISTINCTION: WROUGHT/PRECIPITATION-STRENGTHENED NICKEL ALLOY RENE 77 UNS N07077 MAIN DISTINCTION: HIGH-TEMPERATURE NICKEL SUPERALLOY MAR-M 246 UNS N13246 REFERENCES MAIN DISTINCTION: CAST NICKEL-BASE SUPERALLOY MAR-M 247 VARIOUS SPECIFICATIONS MAIN DISTINCTION: CAST NICKEL-BASE SUPERALLOY INCONEL 738 IN-738 MAIN DISTINCTION: HIGH-TEMPERATURE CAST NICKEL SUPERALLOY THESE GRADES CAN HAVE SUBSTANTIALLY DIFFERENT COMPOSITIONS, MANUFACTURING ROUTES AND DESIGN PROPERTIES. SIMILAR APPLICATION DOES NOT MEAN METALLURGICAL EQUIVALENCE. GLOBAL KEYWORD CLUSTER FOR AMS 5391 FOR AN INTERNATIONAL MANUFACTURER, EXPORTER OR STOCKIST, THE FOLLOWING KEYWORD ARCHITECTURE CAN CAPTURE BOTH SPECIFICATION-DRIVEN AND COMMERCIAL SEARCHES. PRIMARY KEYWORDS • AMS 5391 • AMS 5391 ROUND BAR • AMS 5391 BAR • AMS 5391 ALLOY • AMS 5391 MATERIAL • AMS 5391 SPECIFICATION • AMS5391 • AMS5391 ROUND BAR • AMS5391 MATERIAL • AMS5391 ALLOY INCONEL KEYWORDS • INCONEL 713C • INCONEL 713C ROUND BAR • INCONEL 713C BAR • INCONEL 713C ROD • INCONEL 713C SUPPLIER • INCONEL 713C MANUFACTURER • INCONEL 713C STOCKIST • INCONEL 713C EXPORTER • INCONEL 713C PRICE • INCONEL 713C EQUIVALENT • INCONEL 713C SPECIFICATION • INCONEL 713C CHEMICAL COMPOSITION • INCONEL 713C MECHANICAL PROPERTIES UNS KEYWORDS • UNS N07713 • UNS N07713 ROUND BAR • UNS N07713 BAR • UNS N07713 ROD • N07713 ALLOY • N07713 MATERIAL • N07713 SUPPLIER • N07713 MANUFACTURER • N07713 EQUIVALENT • N07713 SPECIFICATION APPLICATION KEYWORDS • TURBINE BLADE ALLOY • GAS TURBINE ALLOY • AEROSPACE NICKEL ALLOY • AIRCRAFT ENGINE ALLOY • TURBOCHARGER ALLOY • HIGH TEMPERATURE NICKEL ALLOY • NICKEL SUPERALLOY • CAST NICKEL SUPERALLOY • HEAT RESISTANT NICKEL ALLOY • OXIDATION RESISTANT ALLOY • HIGH TEMPERATURE ROUND BAR • TURBINE BLADE MATERIAL • INVESTMENT CASTING ALLOY COMMERCIAL KEYWORDS • AMS 5391 MANUFACTURER • AMS 5391 SUPPLIER • AMS 5391 STOCKIST • AMS 5391 EXPORTER • AMS 5391 ROUND BAR SUPPLIER • INCONEL 713C MANUFACTURER • INCONEL 713C SUPPLIER • INCONEL 713C EXPORTER • INCONEL 713C STOCKIST • UNS N07713 SUPPLIER • UNS N07713 MANUFACTURER • NICKEL ALLOY ROUND BAR MANUFACTURER • NICKEL SUPERALLOY SUPPLIER LONG-TAIL KEYWORDS HIGH-INTENT LONG-TAIL PHRASES CAN INCLUDE: • AMS 5391 INCONEL 713C ROUND BAR SUPPLIER • AMS 5391 NICKEL ALLOY MANUFACTURER • UNS N07713 INCONEL 713C ROUND BAR • INCONEL 713C UNS N07713 EQUIVALENT • INCONEL 713C CHEMICAL COMPOSITION • AMS 5391 CHEMICAL COMPOSITION • AMS 5391 MATERIAL SPECIFICATION • AMS 5391 INVESTMENT CASTING ALLOY • INCONEL 713C TURBINE BLADE MATERIAL • UNS N07713 HIGH TEMPERATURE ALLOY • INCONEL 713C GAS TURBINE ALLOY • 713C NICKEL SUPERALLOY ROUND BAR • AMS 5391 CAST ROUND BAR • INCONEL 713C CAST BAR MANUFACTURER • UNS N07713 CAST BAR SUPPLIER • AMS 5391 AEROSPACE MATERIAL • INCONEL 713C AEROSPACE ALLOY • INCONEL 713C TURBOCHARGER MATERIAL • 713C INVESTMENT CASTING MATERIAL • N07713 NICKEL BASED SUPERALLOY SUGGESTED INTERNATIONAL SEARCH TERMS UNITED STATES AMS 5391, INCONEL 713C, UNS N07713, N07713 ROUND BAR, NICKEL SUPERALLOY UNITED KINGDOM INCONEL 713C BAR, NICKEL ALLOY BAR, AEROSPACE SUPERALLOY, TURBINE ALLOY GERMANY / EUROPE NICKELBASIS SUPERLEGIERUNG 713C, INCONEL 713C RUNDSTAB, NICKELLEGIERUNG, HOCHTEMPERATURLEGIERUNG CHINA INCONEL 713C, UNS N07713, K418, K18, 镍基高温合金, 713C高温合金 RUSSIA / CIS ЖС13, ВЖЛ13, N07713, НИКЕЛЕВЫЙ ЖАРОПРОЧНЫЙ СПЛАВ, ЖАРОПРОЧНЫЙ СПЛАВ 713C INDIA INCONEL 713C ROUND BAR, AMS 5391 ROUND BAR, UNS N07713 BAR, NICKEL ALLOY MANUFACTURER, NICKEL ALLOY SUPPLIER, AEROSPACE ALLOY SUPPLIER WHY CHOOSE INCONEL 713C? THE COMBINATION OF NICKEL-BASE MATRIX CHEMISTRY AND Γ′ PRECIPITATION STRENGTHENING MAKES 713C PARTICULARLY USEFUL WHERE COMPONENTS MUST MAINTAIN STRENGTH AT ELEVATED TEMPERATURES. ITS PRINCIPAL ADVANTAGES INCLUDE: • EXCELLENT HIGH-TEMPERATURE STRENGTH • STRONG CREEP/RUPTURE PERFORMANCE • GOOD OXIDATION RESISTANCE • EXCELLENT SUITABILITY FOR INVESTMENT CASTING • COMPLEX-COMPONENT MANUFACTURING CAPABILITY • HIGH-TEMPERATURE TURBINE APPLICATIONS • ESTABLISHED AEROSPACE AND POWER-GENERATION USAGE REFERENCE DATA SPECIFICALLY IDENTIFY JET-ENGINE BLADES AND HIGH-TEMPERATURE COMPONENTS AMONG ITS TYPICAL APPLICATIONS. AMS 5391 ROUND BAR PURCHASING CHECKLIST WHEN BUYING AMS 5391 / INCONEL 713C ROUND MATERIAL, SPECIFY: 1. ALLOY: INCONEL 713C / UNS N07713 2. SPECIFICATION: AMS 5391 WHERE APPLICABLE 3. REVISION: CUSTOMER-REQUIRED/CURRENT REVISION 4. PRODUCT FORM: CAST BAR, ROUND STOCK, INVESTMENT CASTING, ETC. 5. DIAMETER 6. LENGTH 7. DIMENSIONAL TOLERANCE 8. SURFACE FINISH 9. MELTING ROUTE 10. HEAT/LOT NUMBER 11. CHEMICAL CERTIFICATION 12. MECHANICAL PROPERTIES WHERE APPLICABLE 13. NDT REQUIREMENTS 14. INSPECTION CERTIFICATE 15. COUNTRY OF ORIGIN 16. TRACEABILITY REQUIREMENTS 17. APPLICABLE AEROSPACE QUALITY REQUIREMENTS 18. PACKAGING REQUIREMENTS AMS 5391 CERTIFICATION: WHAT BUYERS SHOULD VERIFY THE PHRASE “AMS 5391 CERTIFIED ROUND BAR” SHOULD BE TREATED CAREFULLY. ASK THE SUPPLIER: IS AMS 5391 BEING CLAIMED FOR THE MATERIAL CHEMISTRY, THE CASTING PRODUCT, OR THE ROUND-BAR PRODUCT FORM? THEN VERIFY THE MATERIAL CERTIFICATE. A LEGITIMATE AEROSPACE MATERIAL CERTIFICATE SHOULD PROVIDE TRACEABILITY BACK TO THE RELEVANT HEAT/LOT AND IDENTIFY THE SPECIFICATION AND REVISION USED FOR ACCEPTANCE. THIS DISTINCTION IS PARTICULARLY IMPORTANT BECAUSE SAE'S OFFICIAL AMS 5391 SCOPE IS FOR INVESTMENT CASTINGS, NOT GENERIC WROUGHT ROUND BAR. FINAL TECHNICAL SUMMARY AMS 5391 IS A LONG-ESTABLISHED SAE AEROSPACE MATERIAL SPECIFICATION FOR A CORROSION- AND HEAT-RESISTANT NICKEL-BASE ALLOY IN INVESTMENT-CASTING FORM. THE ALLOY IS COMMONLY ASSOCIATED WITH INCONEL 713C AND UNS N07713 AND IS VALUED FOR HIGH-TEMPERATURE STRENGTH, CREEP/STRESS-RUPTURE RESISTANCE AND OXIDATION RESISTANCE. FOR ONLINE METAL SOURCING, AMS 5391 ROUND BAR, INCONEL 713C ROUND BAR, UNS N07713 ROUND BAR, 713C NICKEL ALLOY BAR, 713C CAST BAR, N07713 BAR, AND INCONEL 713C ROD ARE COMMERCIALLY IMPORTANT SEARCH TERMS. HOWEVER, THE PRODUCT FORM AND CERTIFICATION MUST BE STATED ACCURATELY: AMS 5391 ITSELF IS AN INVESTMENT-CASTING SPECIFICATION. FOR AN AEROSPACE OR TURBINE APPLICATION, THE SAFEST PROCUREMENT DESCRIPTION IS THEREFORE: “INCONEL 713C / UNS N07713 NICKEL-BASE SUPERALLOY, SUPPLIED IN THE SPECIFIED CAST OR ROUND-STOCK PRODUCT FORM, WITH COMPLIANCE TO THE EXACT APPLICABLE AMS/PRODUCT SPECIFICATION AND REVISION STATED ON THE PURCHASE ORDER.” META TITLE AMS 5391 ROUND BAR | INCONEL 713C UNS N07713 NICKEL SUPERALLOY META DESCRIPTION EXPLORE AMS 5391, INCONEL 713C AND UNS N07713 ROUND BAR, INTERNATIONAL EQUIVALENTS, CHEMICAL COMPOSITION, MANUFACTURING, APPLICATIONS, STANDARDS, TESTING AND AEROSPACE SPECIFICATIONS. H1 AMS 5391 ROUND BAR MANUFACTURING: INCONEL 713C, UNS N07713, INTERNATIONAL EQUIVALENTS & COMPLETE SPECIFICATIONS