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Model No.: AISI 4140
Brand: HuiTong Steel
Standard: Aisi, Astm
Place Of Origin: China
Production Process: Cold Drawn, Hot Rolled
Application: Tool Steel Bar, Die Steel Bar, Structural Steel Bar
Whether Alloy: Is Alloy
Special Steel: Cold Heading Steel
Species: Alloy Steel Bar, Carbon Steel Bar
Tolerance: ±1%
Processing Service: Bending, Welding, Decoiling, Cutting, Punching
Delivery Time: 7-14 days
Length: 1-12M
Specification: OD;10-812mm
Special Use: Mold Steel, Free Cutting Steel, Engineering Steel
Technical: Hot Rolled/ Forged/ Cold Drawn
Standard: JIS / ASTM / GB / DIN / EN /AISI
From: Round Bars/ Flat Bar / Blocks/ Tube
Straightness Of Cold Drawn Steel Bar: Max 0.8mm/M
HS Code: 730640000
Packaging: Standard packaging (or according to customer requirements)
Productivity: 5000 TONS/MONTH
Transportation: Ocean,Land,Air,Express,Others
Place of Origin: CHINA
Supply Ability: 5000 TONS/MONTH
HS Code: 730640000
Payment Type: L/C,T/T,Paypal,Money Gram,Western Union,Others,D/P
Incoterm: FOB,CFR,CIF,EXW,DDP,DDU,Express Delivery
AISI 4140 Alloy Steel | 42CrMo4 | 42CrMoS4 | 1.7225 | SCM440 | 42CrMo
HuiTong Steel is the leading stockist of AISI 4140 alloy steel. We have running stock of solid round bars dia.16-300mm, Steel Plate size of 14-150 x 2000-2300mm. Annealed or Prehardened condition. We can also do furthur machining as per customers' requirement.
Equivalence
| AISI / SAE | DIN / W.Nr | JIS | GB |
| 4140 | 42CrMo4 / 42CrMoS4 / 1.7225 | SCM440 | 42CrMo |
| Other designations equivalent to AISI 4140 alloy steel are listed in the following table. | |||
| AMS 6349 | ASTM A193 (B7, B7M) | ASTM A506 (4140) | ASTM A752 (4140) |
| AMS 6381 | ASTM A194 (7, 7M) | ASTM A513 | ASTM A829 |
| AMS 6382 | ASTM A29 (4140) | ASTM A513 (4140) | SAE J1397 (4140) |
| AMS 6390 | ASTM A320 (L7, L7M, L7D) | ASTM A519 (4140) | SAE J404 (4140) |
| AMS 6395 | ASTM A322 (4140) | ASTM A646 (4140) | SAE J412 (4140) |
| AMS 6529 | ASTM A331 (4140) | ASTM A711 | |
Chemical Composition (%)
| Steel Grade | C | Si | Mn | P | S | Cr | Mo |
| 42CrMo4 | 0.38-0.45 | ≤ 0.40 | 0.60-0.90 | ≤ 0.035 | ≤ 0.035 | 0.90-1.20 | 0.15-0.30 |
| 1.7225 | |||||||
| 42CrMoS4 | 0.38-0.45 | ≤ 0.40 | 0.60-0.90 | ≤ 0.035 | 0.020-0.040 | 0.90-1.20 | 0.15-0.30 |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤ 0.035 | ≤ 0.040 | 0.80-1.10 | 0.15-0.25 |
| SCM440 | 0.38-0.43 | 0.15-0.35 | 0.60-0.85 | ≤ 0.035 | ≤ 0.040 | 0.90-1.20 | 0.15-0.30 |
| 42CrMo | 0.38-0.45 | 0.17-0.37 | 0.50-0.80 | ≤ 0.035 | ≤ 0.035 | 0.90-1.20 | 0.15-0.25 |
Mechanical Properties
| Properties | Metric | Imperial |
| Tensile strength | 655 MPa | 95000 psi |
| Yield strength | 415 MPa | 60200 psi |
| Bulk modulus(typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson's ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 25.70% | 25.70% |
| Hardness, Brinell | 197 | 197 |
| Hardness, Knoop (converted from Brinell hardness) | 219 | 219 |
| Hardness, Rockwell B (converted from Brinell hardness) | 92 | 92 |
| Hardness, Rockwell C (converted from Brinell hardness. Value below normal HRC range, for comparison purposes only) | 13 | 13 |
| Hardness, Vickers (converted from Brinell hardness) | 207 | 207 |
| Machinability (based on AISI 1212 as 100 machinability) | 65 | 65 |
Other profiles we provide include Steel Rebars and round bars, as well as Steel Wire and Section Steel products. Steel plates of the same material include Alloy Steel Plate and Carbon Steel Plate. We can make galvanized steel plates. Steel pipes include hot-rolled steel pipes and cold-rolled steel pipes. If you need Pipe Flanges And Fittings, please leave a message to me.
Product Categories : Structural Steel > Round Bar
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Email:sales@cnmetalsupply.com
Address:Building 10, contemporary core, development zone, Liaocheng, Shandong
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