5140 Steel Plate 1.7035 41Cr4 SCr440 Alloy Steel
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Subclassification：
Alloy Steel Plate
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1. Supply Range of AISI/ASTM 5140
Round Bar: diameter 20mm – 300mm
Steel Plate and Steel Block: thickness 10-200mm x width 300-2000mm
10-80mm thickness 5140 plate are available all the time in stock,
90-200mm thickness plate to be newly production in 15-30 days lead time.
Surface Finish: Black Surface, Milled Surface or Polished Surface as per given requirements.
2. Relevant AISI 5140 Specification and Equivalent Steel Grades
| Country | USA | German | Japan |
| Standard | ASTM/AISI A29 | EN 10083-3 | JIS G4053 |
| Grades | 5140 | 41Cr4 | SCr440 |
3. ASTM 5140 Material Chemical Composition and Equivalent
| Standard | Grade/Steel Number | C | Mn | P | S | Si | Cr | Ni |
| ASTM A29 | 5140 | 0.38-0.43 | 0.70-0.90 | ≤0.035 | ≤0.040 | 0.15-0.35 | 0.70-0.90 | – |
| EN 10083-3 | 41Cr4 / 1.7035 | 0.38-0.45 | 0.60-0.90 | ≤0.025 | ≤0.035 | ≤0.40 | 0.90-1.20 | – |
| JIS G4053 | SCr440 | 0.38-0.43 | 0.60-0.90 | ≤0.030 | ≤0.030 | 0.15-0.35 | 0.90-1.20 | ≤0.25 |
4. AISI 5140 Steel Properties
| Property | Value in metric unit | Value in US unit | ||
| Density | 7.872 *10³ | kg/m³ | 491.4 | lb/ft³ |
| Modulus of elasticity | 205 | GPa | 29700 | ksi |
| Thermal expansion (20 ºC) | 12.6*10-6 | ºCˉ¹ | 7.00*10-6 | in/(in* ºF) |
| Specific heat capacity | 452 | J/(kg*K) | 0.108 | BTU/(lb*ºF) |
| Thermal conductivity | 44.7 | W/(m*K) | 310 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 2.28*10-7 | Ohm*m | 2.28*10-5 | Ohm*cm |
| Tensile strength (annealed) | 572 | MPa | 83000 | psi |
| Yield strength (annealed) | 293 | MPa | 42500 | psi |
| Elongation (annealed) | 29 | % | 29 | % |
| Hardness (annealed) | 85 | RB | 85 | RB |
| Tensile strength (normalized) | 793 | MPa | 115000 | psi |
| Yield strength (normalized) | 472 | MPa | 68500 | psi |
| Elongation (normalized) | 23 | % | 23 | % |
| Hardness (normalized) | 98 | RB | 98 | RB |
5. Forging of 5140 Alloy Steel
Hot forming temperature: 1050-850℃.
6. ASTM 5140 Steel Heat Treat
Soft Annealing
Heat to 680-720℃, cool slowly. This will produce a maximum 5140 hardness of 241HB (Brinell hardness).
Noramlizing of steel grade 5140
Temperature: 840-880℃.
Hardening of 5140 forged steel
Harden from a temperature of 820-850, 830-860℃ followed by water or oil quenching.
Tempering of SAE 5140 material
Tempering temperature: 540-680℃.
7. Applications of AISI Grade 5140
AISI 5140 steel can be used for low and moderately stressed parts for vehicles, engines and machines where hard, wear resisting surface is needed. Hardness as surface hardened about 54 HRC. SAE 5140 steels can also be for marine engineering industry, chemical processing plants, boiler & pressure vessels, nuclear power plants etc.
If you have queries about the 5140 specs, or any questions about the 5140 vs 4130, 5140 vs 4340 etc, please contact us for technical support any time.
Factory
Shandong Jiugang Metal Products Co., Ltd. located in Shandong Province, with a factory area of 20000 square meters. We have obtained ISO9001 quality system certification and EU CE certification.
Packing And Delivery
We adhere to the management principle of "quality first, service first, continuous improvement and innovation, and customer satisfaction", with the quality goal of "zero defects, zero complaints". We are pleased to receive your inquiry and will reply as soon as possible.
Application
The main supply fields are: aerospace, national defense equipment, military weapons, chemical industry, shipbuilding, nuclear energy, trains, containers, environmental protection, precision machining, auto parts, machinery, electronic products, molds, medical treatment Equipment, construction, decoration, etc.
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FAQ
Q1: Are You Manufacture or Trade Company?
A1: We are the professional manufacturer of stainless/carbon/galvanized steel products located in China. Welcome to contact us and visit our factory before you place orders.
Q2: Can I get free samples?
A2: Of course you can. We can produce according to your samples or technical drawings. Contact us by whatsapp or email to get free samples and you will get the sample after 3-7 working days.
Q3: How do you guarantee the quality?
A3: We can send free samples to you, we can accept third-party testing. We also have test certificate, every batch goods will be testing before shipment, and the testing report will delivery to you with your goods.
Q4:How many coutries you already exported ?
A4: Exported to more than 50 countries mainly from Qatar, America, Russia, Belarus, Saudi Arabia, United Arab Emirates, Kuwait, Brazil, Egypt, Turkey, Jordan, India, etc.
Q5:How long is your delivery time?
A5:Within 5 days for stock size, 7-15 working days for customized size.
Q6: Can you OEM or ODM?
A6: Yes, we have a strong developing team. The products can be made according to your request
Q7: What is the MOQ?
A7: If you are scheduling to place a small quantity order or trial order, feel free to contact us, we can meet your requirements.
Q8:What are the certifications for your products?
A8:We have ISO 9001, MTC, third parties' inspections are all available such SGS, BV ect.
Contact Us For Quotation
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15-10, Building J1, Wanda Plaza, 57 Gongye South Road, Jinan District, China (Shandong) Pilot Free Trade Zone
