OTAI SPECIAL STEEL is ASTM 4142 Alloy structural steel stockholders and suppliers from china. we have more 16 years experience in 4142 steel supply.
4142 Steel is a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality medium carbon, Oil Quenched & Tempered Hardenss is 28-34 HRc.4142 Annealing delivery hardenss less than 250HB.
4142 Alloy structural steel properties is very simliar with GB 40CrMnMo steel, JIS SCM440 and DIN 1.7225 Alloy structural steel. At most work environment,4142 is equivalent with 42CrMo, 1.7225, SCM440 steel.
Related Specifications ASTM A29/A29M DIN EN 10083/3 JIS G4053 GB GB/T 3077 4142 steel PDF DOWN
Chemical composition
| C(％) | 0.40～0.45 | Si(％) | 0.15～0.35 | Mn(％) | 0.75～1.00 | P(％) | ≤0.035 |
| S(％) | ≤0.040 | Cr(％) | 0.80～1.10 | Mo(％) | 0.15～0.25 |
Form of Supply
ASTM 4142 Alloy structural steel, we can supply the 4142 round bar, steel flat bar, plate, hexagonal steel bar and steel square block. 4142 steel Round bar can be sawn to your required lengths as one offs or multiple cut pieces. 4142 Rectangular pieces can be sawn from flat bar or plate to your specific sizes. Ground tool steel bar can be supplied, providing a quality precision finished bar to tight tolerances.
Applications
DIN 4142 Tool steel is a alloy structural steel, 4142 is used for engineering structural, like high tensile shafts, bolts and nuts, gears, pinions and spindles. Locomotive traction with the big gear, supercharger drive gear, pressure vessel, rear axle, gear load of connecting rod and a spring clip,4142 can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool, and can be used for bending machine mould, etc
AISI 4140 equivalent material
- Japanese JIS SCM440 alloy steel
- Germany DIN WN-r 1.7255 / 42CrMo4 steel alloy
- China GB 42CrMo steel
- British BS 708M40
AISI 4140 alloy steel Chemical composition
| ASTM A29/29M | C | Si | Mn | Cr | Mo | P | S |
| 4140 | 0.38～0.43 | 0.15～0.35 | 0.75～1.00 | 0.80～1.10 | 0.15～0.25 | ≤0.035 | ≤0.040 |
| DIN WN-r | C | Si | Mn | Cr | Mo | P | S |
| 1.7225 | 0.38～0.45 | ≤0.40 | 0.60～0.90 | 0.90～1.20 | 0.15～0.30 | ≤0.035 | ≤0.035 |
| GB/T | C | Si | Mn | Cr | Mo | P | S |
| 42CrMo | 0.38～0.45 | 0.17～0.37 | 0.50～0.80 | 0.90～1.20 | 0.15～0.25 | ≤0.030 | ≤0.030 |
| BS | C | Si | Mn | Cr | Mo | P | S |
| 708M40 | 0.36～0.44 | 0.10～0.35 | 0.70～1.00 | 0.90～1.20 | 0.15～0.25 | ≤0.035 | ≤0.035 |
| JIS | C | Si | Mn | Cr | Mo | P | S |
| SCM440 | 0.38～0.43 | 0.15～0.35 | 0.60～0.85 | 0.90～1.20 | 0.15～0.30 | ≤0.030 | ≤0.030 |
Alloy steel 4140 Applications
DIN 4140 Tool steel is a alloy structural steel, 4140 is used for engineering structural, like high tensile shafts, bolts and nuts, gears, pinions and spindles. Locomotive traction with the big gear, supercharger drive gear, pressure vessel, rear axle, gear load of connecting rod and a spring clip,4140 can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool, and can be used for bending machine mould, etc
Supply Size range
hot rolled 4140 steel bar: Ø5mm-200mm
Forging 4140 steel bar: Ø140mm-3000mm
Hot rolled 4140 steel plate: Thickness 10mm-200mm x width 100-2300mm
Forged 4140 material steel plate: Thickness 150-1500mm x Width 100 x 3000mm
Others 4140 material have not specified size, pls contact our experienced sales team.
4140 alloy steel Heat treatment
4140 steel round bar and flat sections can be cut to your required sizes. 4140 tool steel ground bar can also be supplied, providing a high quality tool steel precision ground tool steel bar to your required tolerances. 4140 steel is also available as Ground Flat Stock / Gauge Plate, in standard and nonstandard sizes.
Contact our experienced sales team to help you with your 4140 alloy structural steel questionsadn enquiry by Email or Telphone. The 4140 steel questions will be reply in 24 hours
To get a quote for this product, just hit the button below.
We offer reliable shipping options, English and Spanish language service and competitive prices, always.
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4142 tool steel round bar and flat sections can be cut to your required sizes. 4142 tool steel ground bar can also be supplied, providing a high quality tool steel precision ground tool steel bar to your required tolerances. 4142 steel is also available as Ground Flat Stock / Gauge Plate, in standard and nonstandard sizes.
Contact our experienced sales team to help you with your4142 Tool steel questionsadn enquiry by Email or Telphone. The questions will be reply in 24 hours.
OTAI SPECIAL STEEL CO., LTD
Email: jack@otaisteel.com TEL: 0086-769-33232622 FAX: 0086-769-88705839
OTAI SPECIAL STEEL is ASTM 4142 Alloy structural steel stockholders and suppliers from china. we have more 16 years experience in 4142 steel supply.
4142 Steel is a high quality Quenched and Tempered Alloy Structural steel, It belong to the high quality medium carbon, Oil Quenched & Tempered Hardenss is 28-34 HRc.4142 Annealing delivery hardenss less than 250HB.
4142 Alloy structural steel properties is very simliar with GB 40CrMnMo steel, JIS SCM440 and DIN 1.7225 Alloy structural steel. At most work environment,4142 is equivalent with 42CrMo, 1.7225, SCM440 steel.
Related Specifications ASTM A29/A29M DIN EN 10083/3 JIS G4053 GB GB/T 3077
Chemical composition
| C(％) | 0.40～0.45 | Si(％) | 0.15～0.35 | Mn(％) | 0.75～1.00 | P(％) | ≤0.035 |
| S(％) | ≤0.040 | Cr(％) | 0.80～1.10 | Mo(％) | 0.15～0.25 |
Form of Supply
ASTM 4142 Alloy structural steel, we can supply the 4142 round bar, steel flat bar, plate, hexagonal steel bar and steel square block. 4142 steel Round bar can be sawn to your required lengths as one offs or multiple cut pieces. 4142 Rectangular pieces can be sawn from flat bar or plate to your specific sizes. Ground tool steel bar can be supplied, providing a quality precision finished bar to tight tolerances.
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Applications
DIN 4142 Tool steel is a alloy structural steel, 4142 is used for engineering structural, like high tensile shafts, bolts and nuts, gears, pinions and spindles. Locomotive traction with the big gear, supercharger drive gear, pressure vessel, rear axle, gear load of connecting rod and a spring clip,4142 can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool, and can be used for bending machine mould, etc
AISI 4140 equivalent material
- Japanese JIS SCM440 alloy steel
- Germany DIN WN-r 1.7255 / 42CrMo4 steel alloy
- China GB 42CrMo steel
- British BS 708M40
AISI 4140 alloy steel Chemical composition
| ASTM A29/29M | C | Si | Mn | Cr | Mo | P | S |
| 4140 | 0.38～0.43 | 0.15～0.35 | 0.75～1.00 | 0.80～1.10 | 0.15～0.25 | ≤0.035 | ≤0.040 |
| DIN WN-r | C | Si | Mn | Cr | Mo | P | S |
| 1.7225 | 0.38～0.45 | ≤0.40 | 0.60～0.90 | 0.90～1.20 | 0.15～0.30 | ≤0.035 | ≤0.035 |
| GB/T | C | Si | Mn | Cr | Mo | P | S |
| 42CrMo | 0.38～0.45 | 0.17～0.37 | 0.50～0.80 | 0.90～1.20 | 0.15～0.25 | ≤0.030 | ≤0.030 |
| BS | C | Si | Mn | Cr | Mo | P | S |
| 708M40 | 0.36～0.44 | 0.10～0.35 | 0.70～1.00 | 0.90～1.20 | 0.15～0.25 | ≤0.035 | ≤0.035 |
| JIS | C | Si | Mn | Cr | Mo | P | S |
| SCM440 | 0.38～0.43 | 0.15～0.35 | 0.60～0.85 | 0.90～1.20 | 0.15～0.30 | ≤0.030 | ≤0.030 |
Alloy steel 4140 Applications
DIN 4140 Tool steel is a alloy structural steel, 4140 is used for engineering structural, like high tensile shafts, bolts and nuts, gears, pinions and spindles. Locomotive traction with the big gear, supercharger drive gear, pressure vessel, rear axle, gear load of connecting rod and a spring clip,4140 can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool, and can be used for bending machine mould, etc
Supply Size range
hot rolled 4140 steel bar: Ø5mm-200mm
Forging 4140 steel bar: Ø140mm-3000mm
Hot rolled 4140 steel plate: Thickness 10mm-200mm x width 100-2300mm
Forged 4140 material steel plate: Thickness 150-1500mm x Width 100 x 3000mm
Others 4140 material have not specified size, pls contact our experienced sales team.
4140 alloy steel Heat treatment
4140 steel round bar and flat sections can be cut to your required sizes. 4140 tool steel ground bar can also be supplied, providing a high quality tool steel precision ground tool steel bar to your required tolerances. 4140 steel is also available as Ground Flat Stock / Gauge Plate, in standard and nonstandard sizes.
Contact our experienced sales team to help you with your 4140 alloy structural steel questionsadn enquiry by Email or Telphone. The 4140 steel questions will be reply in 24 hours
To get a quote for this product, just hit the button below.
We offer reliable shipping options, English and Spanish language service and competitive prices, always.
4142 tool steel round bar and flat sections can be cut to your required sizes. 4142 tool steel ground bar can also be supplied, providing a high quality tool steel precision ground tool steel bar to your required tolerances. 4142 steel is also available as Ground Flat Stock / Gauge Plate, in standard and nonstandard sizes.
Contact our experienced sales team to help you with your4142 Tool steel questionsadn enquiry by Email or Telphone. The questions will be reply in 24 hours.
OTAI SPECIAL STEEL CO., LTD
Email: jack@otaisteel.com TEL: 0086-769-33232622 FAX: 0086-769-88705839
