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Material designation: 8740
Standard / Country: USA / AISI
Group of materials Metals / Ferrous materials / Carbon and alloy steels

Subgroup

#SubgroupDetails
1 A29/A29M (2023)
General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (12) Al; C; Cr; Cu; Mn; Mo; Nb; Ni; P; S; Si; V
Mechanical Properties *
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
2 A322 (2013)
Standard Specification for Steel Bars, Alloy, Standard Grades
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (8) C; Cr; Mn; Mo; Ni; P; S; Si
Mechanical Properties *
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
3 A506 (2016)
Alloy and Structural Alloy Steel, Sheet and Strip, Hot-Rolled and Cold-Rolled
Cross-Reference Table (117) composition 100%; identical; implicit; official; other sources
Composition (8) C; Cr; Mn; Mo; Ni; P; S; Si
Mechanical Properties *
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
4 A507 (2016)
Drawing Alloy Steel, Sheet and Strip, Hot-Rolled and Cold-Rolled
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (8) C; Cr; Mn; Mo; Ni; P; S; Si
Mechanical Properties *
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
5 A519/A519M (2023)
Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (9) C; Cr; Cu; Mn; Mo; Ni; P; S; Si
Mechanical Properties *
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
6 A574 (2021)
Standard Specification for Alloy Steel Socket-Head Cap Screws
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (8) C; Cr; Mn; Mo; Ni; P; S; Si
Mechanical Properties (10) elongation; hardness; reduction of area; tensile stress; yield stress
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment (1)
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
7 A752M (2004)
Standard Specification for General Requirements for Wire Rods and Coarse Round Wire, Alloy Steel [Metric]
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (9) C; Cr; Cu; Mn; Mo; Ni; P; S; Si
Mechanical Properties (1) tensile stress
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
8 SAE AMS 6322S (2023)
Steel Bars, Forgings, and Rings and Stock for Forging or Flash Welded Rings Aircraft-Quality 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (8740)
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (12) Al; C; Cr; Cu; Mn; Mo; Nb; Ni; P; S; Si; V
Mechanical Properties (4) hardness; tensile stress
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
9 SAE AMS 6323N (2022)
Steel, Mechanical Tubing 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (9) C; Cr; Cu; Mn; Mo; Ni; P; S; Si
Mechanical Properties (3) hardness
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
10 SAE AMS 6325L (2020)
Steel, Bars and Forgings 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740) Heat Treated, 105 ksi (724 MPa) Tensile Strength
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (12) Al; C; Cr; Cu; Mn; Mo; Nb; Ni; P; S; Si; V
Mechanical Properties (6) elongation; hardness; reduction of area; tensile stress; yield stress
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment (1)
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
11 SAE AMS 6327L (2017)
Steel Bars and Forgings 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740) Heat Treated, 125 ksi (862 MPa) Tensile Strength
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (12) Al; C; Cr; Cu; Mn; Mo; Nb; Ni; P; S; Si; V
Mechanical Properties (10) elongation; hardness; reduction of area; tensile stress; yield stress
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment (1)
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
12 SAE AMS 6358L (2020)
Steel Sheet, Strip, and Plate 0.50Cr - 0.55Ni - 0.25Mo (0.38 - 0.43C) (SAE 8740)
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (12) Al; C; Cr; Cu; Mn; Mo; Nb; Ni; P; S; Si; V
Mechanical Properties (6) hardness; tensile stress
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment (1)
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
13 SAE AMS H 6875B (2010)
Heat Treatment of Steel Raw Materials
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition
Mechanical Properties (5) tensile stress
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment (1)
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
14 SAE AMS-S-6049B (1999)
Steel, Chrome-Nickel-Molybdenum (8740) Bars and Reforging Stock (Aircraft Quality)
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (9) C; Cr; Cu; Mn; Mo; Ni; P; S; Si
Mechanical Properties (5) elongation; hardness; tensile stress; yield stress
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
15 SAE J 1249 (1983)
Former SAE Standard and Former SAE Ex-Steels
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (8) C; Cr; Mn; Mo; Ni; P; S; Si
Mechanical Properties *
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
16 SAE J 404 (2009)
Chemical compositions of SAE alloy steels
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (10) C; Cr; Cu; Mn; Mo; Ni; P; Pb; S; Si
Mechanical Properties *
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data
17 SAE J1397 (1992)
Estimated mechanical properties and machinability of steel bars
Cross-Reference Table (116) composition 100%; identical; implicit; official; other sources
Composition (8) C; Cr; Mn; Mo; Ni; P; S; Si
Mechanical Properties (1) hardness
Physical Properties (2) density; modulus of elasticity; poisson’s coefficient
Heat Treatment
Metallography
Machinability (2) machinability
Coatings
Dimensions
Direct Suppliers (5)
Alternative Suppliers
Stress Strain Diagrams
(1)
Fatigue Data
Fracture Mechanics
Creep Data