AMS 5405 B-1900 NICKEL SUPERALLOY: MANUFACTURING, ROUND BAR, INVESTMENT CASTING, EQUIVALENTS, SPECIFICATIONS & GLOBAL SUPPLY GUIDE INTRODUCTION TO AMS 5405 AMS 5405 IS AN SAE AEROSPACE MATERIAL SPECIFICATION COVERING A CORROSION- AND HEAT-RESISTANT NICKEL-BASE SUPERALLOY IN VACUUM-MELTED, VACUUM-CAST INVESTMENT-CASTING FORM. ITS SPECIFIED CHEMISTRY IS APPROXIMATELY 64% NICKEL, 8.0% CHROMIUM, 10% COBALT, 6.0% MOLYBDENUM, 1.0% TITANIUM, 4.2% TANTALUM, 6.0% ALUMINUM, 0.015% BORON AND 0.08% ZIRCONIUM, WITH THE BALANCE PRIMARILY NICKEL. THE ALLOY IS WIDELY IDENTIFIED IN THE SUPERALLOY INDUSTRY AS B-1900 OR B1900. INDUSTRIAL MATERIALS DATABASES ASSOCIATE B-1900 WITH AMS 5405, WHILE OEM CROSS-REFERENCE INFORMATION IDENTIFIES PWA 663 AS AN ASSOCIATED SPECIFICATION. ONE IMPORTANT DISTINCTION SHOULD BE MADE FOR BUYERS SEARCHING FOR AMS 5405 ROUND BAR: AMS 5405 ITSELF IS A CASTING SPECIFICATION, NOT A CONVENTIONAL WROUGHT ROUND-BAR SPECIFICATION. THEREFORE, A MANUFACTURER SUPPLYING B-1900 ROUND BAR, BILLET OR OTHER WROUGHT STOCK SHOULD NOT AUTOMATICALLY REPRESENT THAT PRODUCT AS AMS 5405 MATERIAL UNLESS THE APPLICABLE PROCUREMENT DOCUMENTATION SPECIFICALLY PERMITS IT. AMS 5405 MATERIAL AT A GLANCE CHARACTERISTIC AMS 5405 / B-1900 MATERIAL FAMILY: NICKEL-BASE SUPERALLOY COMMON ALLOY DESIGNATION: B-1900 / B1900 AMS SPECIFICATION: AMS 5405 PRODUCT FORM SPECIFIED: INVESTMENT CASTINGS MELTING: VACUUM MELTED CASTING: VACUUM CAST CONDITION: AS CAST NICKEL: BALANCE / APPROXIMATELY 64% NOMINAL CHROMIUM: 8.0% COBALT: 10% MOLYBDENUM: 6.0% TITANIUM: 1.0% TANTALUM: 4.2% ALUMINUM: 6.0% BORON: 0.015% ZIRCONIUM: 0.08% TYPICAL INDUSTRY IDENTITY: B-1900 ASSOCIATED OEM REFERENCE: PWA 663 ALLOY TYPE: CAST PRECIPITATION-STRENGTHENED NICKEL SUPERALLOY THE PUBLISHED AMS CHEMISTRY AND B-1900 IDENTIFICATION ARE SUPPORTED BY SAE AND SPECIALIST ALLOY DATABASES. WHAT IS B-1900 ALLOY? B-1900 IS A HIGH-TEMPERATURE NICKEL-BASE SUPERALLOY DEVELOPED FOR DEMANDING TURBINE APPLICATIONS. IT CONTAINS SUBSTANTIAL ADDITIONS OF ALUMINUM AND TITANIUM FOR PRECIPITATION STRENGTHENING, TOGETHER WITH CHROMIUM, COBALT, MOLYBDENUM AND TANTALUM TO SUPPORT HIGH-TEMPERATURE MECHANICAL AND ENVIRONMENTAL PERFORMANCE. A SPECIALIST SUPERALLOY MANUFACTURER DESCRIBES B-1900 AS A PRECIPITATION-HARDENED NICKEL-BASE SUPERALLOY USED FOR CONVENTIONALLY CAST TURBINE AIRFOILS AND REPORTS SERVICE CAPABILITY AT TEMPERATURES APPROACHING APPROXIMATELY 980°C, DEPENDING ON COMPONENT DESIGN AND OPERATING CONDITIONS. THE COMBINATION OF NICKEL, ALUMINUM AND TITANIUM IS PARTICULARLY SIGNIFICANT BECAUSE NICKEL-BASE SUPERALLOYS CAN DEVELOP STRENGTHENING PRECIPITATES THAT MAINTAIN USEFUL MECHANICAL PROPERTIES AT ELEVATED TEMPERATURE. AMS 5405 CHEMICAL COMPOSITION THE NOMINAL COMPOSITION ASSOCIATED WITH AMS 5405 IS: NICKEL BALANCE CHROMIUM 8.0% COBALT 10.0% MOLYBDENUM 6.0% TANTALUM 4.2% ALUMINUM 6.0% TITANIUM 1.0% CARBON APPROXIMATELY 0.10% IN INDUSTRY B-1900 REFERENCES BORON 0.015% ZIRCONIUM 0.08% SPECIALIST ALLOY DATA INDEPENDENTLY IDENTIFIES B-1900 WITH APPROXIMATELY 0.10% CARBON, 8% CHROMIUM, 10% COBALT, 6% MOLYBDENUM, 4.25% TANTALUM, 1% TITANIUM, 6% ALUMINUM, 0.015% BORON AND 0.07–0.08% ZIRCONIUM. IMPORTANT: FOR AEROSPACE PROCUREMENT, THE ACTUAL CHEMICAL LIMITS, TEST REQUIREMENTS AND ACCEPTANCE CRITERIA SHOULD ALWAYS BE TAKEN FROM THE APPLICABLE CONTROLLED REVISION OF THE PURCHASER'S SPECIFICATION RATHER THAN FROM A SECONDARY ALLOY CHART. AMS 5405 MANUFACTURING PROCESS BECAUSE AMS 5405 IS FUNDAMENTALLY AN INVESTMENT-CASTING SPECIFICATION, ITS MANUFACTURING ROUTE DIFFERS FROM THE PRODUCTION OF CONVENTIONAL WROUGHT NICKEL ALLOY ROUND BAR. 1) RAW MATERIAL SELECTION THE MANUFACTURING PROCESS BEGINS WITH CONTROLLED NICKEL-BASE SUPERALLOY CHARGE MATERIALS. NICKEL, CHROMIUM, COBALT, MOLYBDENUM, TANTALUM, TITANIUM, ALUMINUM AND OTHER ALLOYING ADDITIONS MUST BE CONTROLLED TO PRODUCE THE REQUIRED CHEMISTRY. TRACE-ELEMENT CONTROL IS ESPECIALLY IMPORTANT FOR AEROSPACE SUPERALLOYS BECAUSE SMALL CHEMISTRY VARIATIONS CAN INFLUENCE CASTABILITY, PHASE STABILITY, OXIDATION BEHAVIOR AND MECHANICAL PROPERTIES. 2) VACUUM MELTING AMS 5405 CALLS FOR VACUUM MELTING. VACUUM MELTING MINIMIZES ATMOSPHERIC CONTAMINATION AND HELPS CONTROL REACTIVE ALLOYING ELEMENTS. IT IS PARTICULARLY VALUABLE WHEN PRODUCING NICKEL-BASE SUPERALLOYS CONTAINING ALUMINUM, TITANIUM AND OTHER ELEMENTS THAT CAN REACT READILY WITH OXYGEN OR NITROGEN. SPECIALIST VACUUM-MELT ALLOY PRODUCERS LIST B-1900 AMONG NICKEL-BASE EQUIAXED SUPERALLOYS AND REPORT A MELTING RANGE AROUND 1274–1302°C FOR THEIR B-1900 MATERIAL DATA. 3) INVESTMENT CASTING AFTER MELTING, THE ALLOY IS INTRODUCED INTO AN INVESTMENT-CASTING MOLD. INVESTMENT CASTING, ALSO KNOWN AS LOST-WAX CASTING, ENABLES MANUFACTURERS TO PRODUCE COMPLEX AEROSPACE COMPONENTS WITH INTRICATE PASSAGES, THIN SECTIONS AND AERODYNAMIC GEOMETRIES. THIS IS FUNDAMENTALLY DIFFERENT FROM MANUFACTURING A STANDARD ROUND BAR BY HOT ROLLING, FORGING OR EXTRUSION. 4) VACUUM CASTING THE AMS 5405 SPECIFICATION SPECIFICALLY IDENTIFIES THE MATERIAL AS VACUUM CAST. VACUUM CASTING CAN REDUCE ATMOSPHERIC INTERACTION DURING SOLIDIFICATION AND IS PARTICULARLY RELEVANT TO PREMIUM NICKEL-BASE SUPERALLOY CASTINGS. 5) CONTROLLED SOLIDIFICATION THE CASTING IS ALLOWED TO SOLIDIFY UNDER CONTROLLED CONDITIONS. PROCESS CONTROL IS IMPORTANT BECAUSE NICKEL-BASE SUPERALLOYS CAN DEVELOP COMPLEX MICROSTRUCTURES CONTAINING A GAMMA MATRIX, STRENGTHENING PRECIPITATES AND CARBIDE/BORIDE PHASES. 6) CASTING CLEANING ONCE SOLIDIFIED, CERAMIC INVESTMENT MATERIAL IS REMOVED. TYPICAL OPERATIONS CAN INCLUDE: • SHELL REMOVAL • CUTTING AND GATE REMOVAL • SURFACE CLEANING • GRINDING • DEBURRING • DIMENSIONAL FINISHING 7) INSPECTION AND QUALITY CONTROL AEROSPACE CASTINGS GENERALLY REQUIRE EXTENSIVE INSPECTION. POTENTIAL INSPECTION TECHNOLOGIES INCLUDE: • VISUAL INSPECTION • DIMENSIONAL INSPECTION • CHEMICAL ANALYSIS • RADIOGRAPHIC INSPECTION • FLUORESCENT PENETRANT INSPECTION • METALLOGRAPHIC EXAMINATION • MECHANICAL TESTING WHERE SPECIFIED • NONDESTRUCTIVE TESTING • MICROSTRUCTURAL EVALUATION THE EXACT ACCEPTANCE CRITERIA MUST BE ESTABLISHED FROM THE APPLICABLE PURCHASE SPECIFICATION, DRAWING AND CONTRACTUAL QUALITY REQUIREMENTS. IS AMS 5405 AVAILABLE AS ROUND BAR? THIS IS ONE OF THE MOST IMPORTANT QUESTIONS FOR BUYERS. STRICTLY SPEAKING, AMS 5405 IS NOT A ROUND-BAR SPECIFICATION. SAE DEFINES AMS 5405 AS COVERING VACUUM-MELTED, VACUUM-CAST INVESTMENT CASTINGS. THEREFORE, SEARCHES SUCH AS: • AMS 5405 ROUND BAR • AMS 5405 BAR • AMS 5405 ROD • AMS 5405 FORGED BAR • AMS 5405 NICKEL BAR MAY REFLECT BUYERS LOOKING FOR B-1900 MATERIAL IN BAR FORM, RATHER THAN THE ACTUAL PRODUCT FORM DEFINED BY AMS 5405. FOR A ROUND BAR INQUIRY, THE PURCHASER SHOULD ESTABLISH: 1. ALLOY DESIGNATION 2. APPLICABLE MATERIAL SPECIFICATION 3. PRODUCT FORM 4. HEAT-TREATMENT CONDITION 5. DIAMETER 6. LENGTH 7. CHEMISTRY REQUIREMENTS 8. MECHANICAL PROPERTIES 9. INSPECTION REQUIREMENTS 10. CERTIFICATE REQUIREMENTS 11. AEROSPACE/OEM APPROVAL REQUIREMENTS A SUPPLIER SHOULD NEVER SUBSTITUTE AN UNRELATED WROUGHT SPECIFICATION MERELY BECAUSE ITS CHEMISTRY APPEARS SIMILAR. B-1900 ROUND BAR MANUFACTURING IF A CUSTOMER SPECIFICALLY REQUIRES B-1900 ROUND BAR, THE MANUFACTURING ROUTE MUST BE ESTABLISHED SEPARATELY FROM AMS 5405 CASTING PRODUCTION. DEPENDING ON THE QUALIFIED MATERIAL ROUTE, PRODUCTION MAY INVOLVE: VACUUM MELTING → CONTROLLED SOLIDIFICATION → BILLET PREPARATION → FORGING/WORKING → HEAT TREATMENT → MACHINING → INSPECTION → CERTIFICATION HOWEVER, THE RESULTING BAR SHOULD BE MARKETED ACCORDING TO ITS ACTUAL QUALIFIED SPECIFICATION AND MANUFACTURING ROUTE, NOT SIMPLY LABELED “AMS 5405 ROUND BAR.” THIS DISTINCTION IS PARTICULARLY IMPORTANT FOR AEROSPACE PROCUREMENT. AMS 5405 VS B-1900 THE TERMS ARE RELATED BUT ARE NOT IDENTICAL IN MEANING. B-1900 IS THE ALLOY DESIGNATION. AMS 5405 IS THE MATERIAL SPECIFICATION GOVERNING A PARTICULAR PRODUCT FORM AND MANUFACTURING CONDITION. THUS: B-1900 = ALLOY IDENTITY AMS 5405 = SPECIFICATION/PRODUCT-FORM REQUIREMENT THIS DISTINCTION HELPS PREVENT SPECIFICATION ERRORS WHEN PREPARING MATERIAL CERTIFICATES, QUOTATIONS AND PURCHASE ORDERS. INDUSTRY ALLOY-SELECTION DATA DIRECTLY MAPS B-1900 TO AMS 5405. INTERNATIONAL NAMES AND EQUIVALENTS BUYERS MAY ENCOUNTER AMS 5405/B-1900 UNDER SEVERAL COMMERCIAL AND TECHNICAL DESCRIPTIONS. COMMON NAMES • B-1900 • B1900 • B 1900 • B-1900 NICKEL-BASE SUPERALLOY • B1900 NICKEL SUPERALLOY • NICKEL-BASE CASTING ALLOY B-1900 • CAST NICKEL SUPERALLOY • TURBINE CASTING ALLOY • HIGH-TEMPERATURE NICKEL ALLOY • AEROSPACE NICKEL SUPERALLOY SPECIFICATION-RELATED DESIGNATION • SAE AMS 5405 • AMS5405 • AMS 5405A • AMS5405A • AMS 5405B • AMS5405B HISTORICAL EDITIONS SHOULD BE DISTINGUISHED CAREFULLY BECAUSE THE STANDARD HAS UNDERGONE REVISIONS. SAE LISTS THE ORIGINAL AMS 5405 AND LATER AMS 5405B, WHILE STANDARDS DATABASES DOCUMENT THE REVISION SEQUENCE. OEM / AEROSPACE REFERENCE • PWA 663 A VACUUM-MELT ALLOY REFERENCE TABLE MAPS B-1900 TO AMS 5405 AND PWA 663. B-1900 VS B-1900 + HF DO NOT CONFUSE B-1900 WITH B-1900 + HF. B-1900 + HF IS A MODIFIED VERSION CONTAINING HAFNIUM. INDUSTRY ALLOY-SELECTION INFORMATION IDENTIFIES: • B-1900 → AMS 5405 • B-1900 + HF → AMS 5406 THE HF-MODIFIED ALLOY HAS APPROXIMATELY 1.1% HAFNIUM IN ONE INDUSTRY REFERENCE. THEREFORE, AMS 5405 AND AMS 5406 SHOULD NOT BE TREATED AS INTERCHANGEABLE SPECIFICATIONS. AMS 5405 APPLICATIONS B-1900 IS ASSOCIATED PRIMARILY WITH DEMANDING HIGH-TEMPERATURE APPLICATIONS. TYPICAL APPLICATIONS INCLUDE: GAS TURBINE COMPONENTS • TURBINE BLADES • TURBINE VANES • TURBINE AIRFOILS • HOT-SECTION COMPONENTS • HIGH-TEMPERATURE ENGINE COMPONENTS AEROSPACE • AIRCRAFT ENGINE COMPONENTS • TURBINE HARDWARE • HOT-SECTION CASTINGS • HIGH-TEMPERATURE STRUCTURAL COMPONENTS POWER GENERATION • GAS TURBINE COMPONENTS • INDUSTRIAL TURBINE HOT-SECTION COMPONENTS • HIGH-TEMPERATURE ROTATING OR STATIONARY HARDWARE A SPECIALIST MANUFACTURER IDENTIFIES B-1900 FOR CONVENTIONALLY CAST TURBINE AIRFOILS, WHILE ITS PRODUCT PORTFOLIO LISTS AEROSPACE AND POWER-GENERATION APPLICATIONS. WHY B-1900 IS USED AT HIGH TEMPERATURE B-1900 DERIVES ITS PERFORMANCE FROM A CAREFULLY ENGINEERED NICKEL-BASE SUPERALLOY CHEMISTRY. NICKEL NICKEL PROVIDES THE PRIMARY MATRIX OF THE ALLOY AND SUPPORTS HIGH-TEMPERATURE STABILITY. ALUMINUM AND TITANIUM ALUMINUM AND TITANIUM CONTRIBUTE TO PRECIPITATION STRENGTHENING IN NICKEL-BASE SUPERALLOYS. TANTALUM TANTALUM CONTRIBUTES TO HIGH-TEMPERATURE STRENGTH AND STRENGTHENING-PHASE STABILITY. CHROMIUM CHROMIUM CONTRIBUTES TO ENVIRONMENTAL AND OXIDATION RESISTANCE. COBALT COBALT MODIFIES THE MATRIX AND CONTRIBUTES TO ELEVATED-TEMPERATURE PROPERTIES. MOLYBDENUM MOLYBDENUM CONTRIBUTES TO SOLID-SOLUTION STRENGTHENING. BORON AND ZIRCONIUM SMALL ADDITIONS OF BORON AND ZIRCONIUM CAN INFLUENCE GRAIN-BOUNDARY CHARACTERISTICS AND HIGH-TEMPERATURE BEHAVIOR. AMS 5405 QUALITY CONTROL A PROFESSIONAL AEROSPACE-MATERIAL MANUFACTURER SHOULD ESTABLISH A DOCUMENTED QUALITY SYSTEM COVERING: • RAW MATERIAL TRACEABILITY • HEAT IDENTIFICATION • VACUUM MELTING RECORDS • CHEMICAL ANALYSIS • CASTING TRACEABILITY • MOLD AND SHELL CONTROL • DIMENSIONAL INSPECTION • SURFACE INSPECTION • NONDESTRUCTIVE TESTING • MECHANICAL TESTING WHERE REQUIRED • METALLURGICAL EXAMINATION • CERTIFICATE OF CONFORMITY • MATERIAL TEST REPORT • LOT/HEAT TRACEABILITY FOR AEROSPACE SUPPLY CHAINS, TRACEABILITY IS AS IMPORTANT AS THE ALLOY NAME ITSELF. AMS 5405 MATERIAL TESTING DEPENDING ON THE PURCHASING SPECIFICATION AND COMPONENT DRAWING, TESTING CAN INCLUDE: CHEMICAL ANALYSIS USED TO VERIFY ALLOY COMPOSITION. TENSILE TESTING USED TO DETERMINE TENSILE STRENGTH, YIELD STRENGTH AND ELONGATION WHERE SPECIFIED. HARDNESS TESTING MAY BE REQUIRED FOR PROCESS OR MATERIAL VERIFICATION. METALLOGRAPHY USED TO EVALUATE MICROSTRUCTURE AND IDENTIFY UNDESIRABLE PHASES, INCLUSIONS OR CASTING-RELATED DEFECTS. RADIOGRAPHIC TESTING CAN BE USED TO DETECT INTERNAL CASTING DISCONTINUITIES. PENETRANT TESTING USEFUL FOR DETECTING SURFACE-CONNECTED DISCONTINUITIES. DIMENSIONAL INSPECTION ENSURES CONFORMITY WITH THE COMPONENT DRAWING. DEFECTS TO CONTROL DURING B-1900 INVESTMENT CASTING NICKEL-BASE SUPERALLOY CASTING REQUIRES CAREFUL PROCESS CONTROL. POTENTIAL CASTING PROBLEMS INCLUDE: • SHRINKAGE POROSITY • GAS POROSITY • OXIDE INCLUSIONS • HOT CRACKING • MICROSHRINKAGE • SEGREGATION • SURFACE DEFECTS • CERAMIC INCLUSIONS • DIMENSIONAL DISTORTION • IMPROPER SOLIDIFICATION STRUCTURE VACUUM MELTING AND VACUUM CASTING ARE PARTICULARLY RELEVANT TO MINIMIZING CONTAMINATION AND MAINTAINING STRINGENT AEROSPACE-QUALITY PRODUCTION. AMS 5405 HEAT TREATMENT THE EXACT HEAT-TREATMENT REQUIREMENTS SHOULD BE TAKEN FROM THE APPLICABLE CONTROLLED SPECIFICATION AND PURCHASE ORDER. IT IS IMPORTANT NOT TO ASSUME THAT A GENERIC “B-1900 HEAT TREATMENT” FOUND IN AN ONLINE ALLOY TABLE AUTOMATICALLY SATISFIES AN AMS REQUIREMENT. FOR AEROSPACE PROCUREMENT, THE MATERIAL CERTIFICATE SHOULD IDENTIFY THE ACTUAL: • HEAT-TREATMENT CYCLE • TEMPERATURE • HOLDING TIME • COOLING METHOD • FURNACE ATMOSPHERE/VACUUM CONDITIONS • LOT IDENTIFICATION • APPLICABLE SPECIFICATION REVISION AMS 5405 STANDARDS AND RELATED SPECIFICATIONS THE PRINCIPAL SPECIFICATION IS: SAE AMS 5405 — ALLOY CASTINGS, INVESTMENT, CORROSION AND HEAT RESISTANT, 64NI-8.0CR-10CO-6.0MO-1.0TI-4.2TA-6.0AL-0.015B-0.08ZR, VACUUM MELTED, VACUUM CAST, AS CAST. HISTORICAL REVISIONS INCLUDE: • AMS 5405 • AMS 5405A • AMS 5405B STANDARDS DATABASES RECORD THE PROGRESSION FROM AMS 5405 TO AMS 5405A AND SUBSEQUENTLY AMS 5405B. ASSOCIATED AEROSPACE SPECIFICATION • PWA 663 A SPECIALIST VACUUM-MELT ALLOY REFERENCE LISTS B-1900 / AMS 5405 / PWA 663. RELATED ALLOY • AMS 5406 — B-1900 + HF AMS 5406 SHOULD BE TREATED AS A DISTINCT SPECIFICATION RATHER THAN AN AUTOMATIC SUBSTITUTE FOR AMS 5405. AMS 5405 VS OTHER NICKEL SUPERALLOYS B-1900 BELONGS TO THE SAME BROAD FAMILY OF HIGH-TEMPERATURE NICKEL-BASE SUPERALLOYS AS ALLOYS SUCH AS: • INCONEL 625 • INCONEL 718 • IN-713C • IN-713LC • IN-100 • IN-738 • IN-738LC • B-1900 + HF • MAR-M 247 • B-1910 • IN-939 HOWEVER, THESE ALLOYS ARE NOT AUTOMATICALLY EQUIVALENT. FOR EXAMPLE, AN INDUSTRY ALLOY-SELECTION TABLE MAPS AMS 5405 TO B-1900, AMS 5406 TO B-1900 + HF, AMS 5397 TO IN-100, AMS 5391 TO IN-713C AND AMS 5383 TO IN-718. COMMON TRADE SEARCH TERMS FOR AMS 5405 FOR INTERNATIONAL B2B SEARCH VISIBILITY, RELEVANT TERMINOLOGY INCLUDES: PRIMARY KEYWORDS • AMS 5405 • AMS5405 • AMS 5405 ALLOY • AMS 5405 MATERIAL • AMS 5405 SPECIFICATION • AMS 5405 SUPPLIER • AMS 5405 MANUFACTURER • AMS 5405 STOCKIST • AMS 5405 EXPORTER • AMS 5405 CASTING • AMS 5405 INVESTMENT CASTING • AMS 5405 NICKEL ALLOY • AMS 5405 SUPERALLOY ROUND-BAR-RELATED SEARCHES BECAUSE BUYERS FREQUENTLY SEARCH BY PRODUCT FORM, RELATED COMMERCIAL KEYWORDS CAN INCLUDE: • AMS 5405 ROUND BAR • AMS 5405 BAR • AMS 5405 ROD • B-1900 ROUND BAR • B1900 ROUND BAR • B-1900 BAR • B1900 BAR • B-1900 NICKEL BAR • B-1900 ALLOY BAR • B-1900 FORGED BAR • B-1900 BILLET • B-1900 MACHINING STOCK THESE SHOULD BE USED CAREFULLY IN COPY SO THAT THE PAGE DOES NOT FALSELY CLAIM THAT AMS 5405 ITSELF IS A WROUGHT-BAR STANDARD. CASTING KEYWORDS • B-1900 INVESTMENT CASTING • B-1900 TURBINE CASTING • B-1900 AEROSPACE CASTING • NICKEL SUPERALLOY INVESTMENT CASTING • NICKEL ALLOY TURBINE CASTING • HIGH TEMPERATURE INVESTMENT CASTING • VACUUM CAST NICKEL ALLOY • VACUUM MELTED NICKEL SUPERALLOY • AEROSPACE INVESTMENT CASTING • TURBINE BLADE CASTING • TURBINE VANE CASTING BRAND AND COMMERCIAL NAMES “B-1900” IS AN ALLOY DESIGNATION RATHER THAN A CONVENTIONAL COMMERCIAL BRAND. POTENTIAL COMMERCIAL DESCRIPTIONS INCLUDE: • B-1900 • B1900 • B 1900 • NICKEL-BASE B-1900 • B-1900 SUPERALLOY • B-1900 CASTING ALLOY INCONEL SHOULD NOT BE PRESENTED AS THE BRAND NAME OF B-1900. INCONEL IS A REGISTERED TRADEMARK ASSOCIATED WITH SPECIFIC NICKEL-CHROMIUM-BASED ALLOY PRODUCTS AND SHOULD NOT BE USED AS A GENERIC SYNONYM FOR EVERY NICKEL-BASE SUPERALLOY. LIKEWISE, “HASTELLOY, ” “MONEL, ” AND OTHER COMMERCIAL ALLOY-FAMILY NAMES SHOULD NOT BE USED AS AUTOMATIC EQUIVALENTS FOR B-1900. AMS 5405 PURCHASING CHECKLIST WHEN PURCHASING B-1900 OR MATERIAL ADVERTISED AS AMS 5405, BUYERS SHOULD REQUEST: 1. EXACT SPECIFICATION NUMBER 2. REVISION LEVEL 3. PRODUCT FORM 4. ALLOY DESIGNATION 5. HEAT NUMBER 6. CHEMICAL COMPOSITION 7. HEAT-TREATMENT CONDITION 8. MECHANICAL TEST RESULTS WHERE APPLICABLE 9. NDT RESULTS WHERE APPLICABLE 10. DIMENSIONAL REPORT 11. CERTIFICATE OF CONFORMITY 12. FULL TRACEABILITY DOCUMENTATION 13. COUNTRY OF ORIGIN WHERE REQUIRED 14. AEROSPACE/OEM APPROVAL WHERE REQUIRED 15. INSPECTION CERTIFICATE 16. PACKAGING AND PRESERVATION REQUIREMENTS FOR AN AMS 5405 ROUND BAR INQUIRY, ADDITIONALLY VERIFY THAT THE BUYER'S DRAWING OR PURCHASE ORDER ACTUALLY PERMITS THAT PRODUCT FORM AND IDENTIFIES THE GOVERNING WROUGHT-MATERIAL SPECIFICATION. AMS 5405 MANUFACTURER AND SUPPLIER SELECTION A QUALIFIED SUPPLIER SHOULD HAVE EXPERIENCE WITH: • NICKEL-BASE SUPERALLOYS • AEROSPACE ALLOYS • INVESTMENT CASTING • VACUUM MELTING • VACUUM CASTING • TURBINE COMPONENTS • HIGH-TEMPERATURE MATERIALS • METALLURGICAL INSPECTION • AEROSPACE TRACEABILITY FOR INTERNATIONAL PURCHASING, BUYERS SHOULD DISTINGUISH BETWEEN A COMPANY THAT STOCKS AN ALLOY, A COMPANY THAT MANUFACTURES CASTINGS, AND A COMPANY THAT PRODUCES QUALIFIED WROUGHT BAR. THESE ARE NOT NECESSARILY THE SAME CAPABILITIES. GLOBAL SUPPLY TERMS INTERNATIONAL BUYERS MAY SEARCH FOR AMS 5405 USING REGIONAL TERMINOLOGY SUCH AS: UNITED STATES • AMS 5405 • SAE AMS 5405 • B-1900 NICKEL ALLOY • B-1900 INVESTMENT CASTING UNITED KINGDOM • AMS 5405 NICKEL ALLOY • B-1900 SUPERALLOY • AEROSPACE NICKEL CASTING • TURBINE CASTING ALLOY EUROPE • AMS 5405 WERKSTOFF • B-1900 NICKELLEGIERUNG • B-1900 ALLIAGE NICKEL • NICKEL SUPERALLOY CASTING • AEROSPACE INVESTMENT CASTING INDIA • AMS 5405 SUPPLIER INDIA • AMS 5405 MANUFACTURER INDIA • B-1900 ROUND BAR • B-1900 ALLOY SUPPLIER • NICKEL SUPERALLOY SUPPLIER • AEROSPACE NICKEL ALLOY • B-1900 INVESTMENT CASTING CHINA • AMS 5405 NICKEL ALLOY • B-1900 NICKEL SUPERALLOY • B1900 CASTING ALLOY • AEROSPACE SUPERALLOY CASTING THE EXACT INTERNATIONAL EQUIVALENT SHOULD ALWAYS BE CONFIRMED AGAINST THE CUSTOMER'S DRAWING AND SPECIFICATION RATHER THAN INFERRED SOLELY FROM A CHEMISTRY COMPARISON. FAQ: AMS 5405 WHAT IS AMS 5405? AMS 5405 IS AN SAE SPECIFICATION FOR A CORROSION- AND HEAT-RESISTANT NICKEL-BASE ALLOY IN VACUUM-MELTED, VACUUM-CAST INVESTMENT-CASTING FORM. WHAT ALLOY IS AMS 5405? AMS 5405 IS COMMONLY ASSOCIATED WITH B-1900, A NICKEL-BASE SUPERALLOY. IS AMS 5405 A ROUND BAR SPECIFICATION? NO. AMS 5405 SPECIFIES INVESTMENT CASTINGS, NOT CONVENTIONAL WROUGHT ROUND BAR. WHAT IS B-1900? B-1900 IS A NICKEL-BASE HIGH-TEMPERATURE SUPERALLOY USED PARTICULARLY FOR CAST TURBINE COMPONENTS. WHAT IS THE EQUIVALENT OF AMS 5405? B-1900 IS THE PRINCIPAL ALLOY DESIGNATION ASSOCIATED WITH AMS 5405) PWA 663 IS IDENTIFIED AS AN ASSOCIATED OEM SPECIFICATION IN SPECIALIST CROSS-REFERENCE DATA. IS B-1900 THE SAME AS B-1900 + HF? NO. B-1900 + HF IS A HAFNIUM-MODIFIED ALLOY AND IS ASSOCIATED WITH AMS 5406 RATHER THAN AMS 5405. WHAT IS AMS 5405 USED FOR? IT IS ASSOCIATED WITH HIGH-TEMPERATURE NICKEL-BASE INVESTMENT CASTINGS, PARTICULARLY TURBINE AIRFOILS AND OTHER AEROSPACE OR POWER-GENERATION COMPONENTS. IS AMS 5405 STILL CURRENT? THE REVISION STATUS SHOULD BE CHECKED CAREFULLY. SAE'S RECORD IDENTIFIES AMS 5405B AS CANCELED IN 2007, WHILE OTHER STANDARDS CATALOGS USE STATUSES SUCH AS WITHDRAWN. ALWAYS VERIFY THE CURRENT CONTRACTUAL SPECIFICATION REVISION BEFORE QUOTING MATERIAL. CONCLUSION AMS 5405 B-1900 IS A SPECIALIZED NICKEL-BASE SUPERALLOY SPECIFICATION ASSOCIATED WITH VACUUM-MELTED, VACUUM-CAST INVESTMENT CASTINGS FOR HIGH-TEMPERATURE SERVICE. ITS COMBINATION OF NICKEL, CHROMIUM, COBALT, MOLYBDENUM, TANTALUM, ALUMINUM, TITANIUM, BORON AND ZIRCONIUM MAKES B-1900 A SIGNIFICANT HISTORICAL TURBINE SUPERALLOY. FOR MANUFACTURERS, EXPORTERS AND BUYERS, THE MOST IMPORTANT TECHNICAL POINT IS THAT AMS 5405 SHOULD NOT AUTOMATICALLY BE DESCRIBED AS A ROUND-BAR STANDARD. THE SAE SCOPE IS SPECIFICALLY INVESTMENT CASTINGS. THEREFORE, A TECHNICALLY STRONG STRATEGY SHOULD TARGET BOTH “AMS 5405” AND THE COMMERCIAL ALLOY TERM “B-1900”, WHILE CLEARLY SEPARATING: AMS 5405 SPECIFICATION → B-1900 ALLOY → INVESTMENT CASTING → TURBINE/AEROSPACE APPLICATIONS FROM: B-1900 ROUND BAR → SEPARATE PRODUCT FORM → SEPARATE APPLICABLE MATERIAL SPECIFICATION THIS DISTINCTION IMPROVES BOTH TECHNICAL CREDIBILITY AND SEARCH-ENGINE RELEVANCE WHILE PREVENTING SPECIFICATION CONFUSION DURING INTERNATIONAL PROCUREMENT.