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  • 5140 Steel Plate 1.7035 41Cr4 SCr440 Alloy Steel

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5140 Steel Plate 1.7035 41Cr4 SCr440 Alloy Steel
AISI 5140 Alloy steel, we can supply the round bar, steel flat bar, plate, hexagonal steel bar and steel square block. AISI 5140RH steel Round bar can be saw to your required lengths as one offs or multiple cut pieces. And AISI 5140 alloy steel Rectangular pieces can be saw from flat bar or plate to your specific sizes.
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JIYUE STEEL

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Overview

Product introduction

What is AISI 5140 steel ?

ASTM grade 5140 is one structural alloy steel grade in ASTM A29 standard for general application. 5140 steel plate is widely used in low and moderately stressed parts for vehicles, engines and machines where hard, wear resisting surface is needed. Gnee is professional 5140 plate & round bar supplier and we keep wide size range for 5140 plate in stock for immediate shipment. Contact us for any AISI 5140 plate material request and best 5140 grade steel price.

Competitive Advantage for AISI 5140 material steel plate in Otai:

  • Available in stock for immediate shipment
  • High strength,
  • High tenacity
  • Good hardenability
  • High resistance to thermal properties.
  • Competitive price

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
CountryUSAGermanJapan
StandardASTM/AISI A29EN 10083-3JIS G4053
Grades514041Cr4SCr440
 

3. ASTM 5140 Material Chemical Composition and Equivalent

StandardGrade/Steel NumberCMnPSSiCrNi
ASTM A2951400.38-0.430.70-0.90≤0.035≤0.0400.15-0.350.70-0.90–
EN 10083-341Cr4 / 1.70350.38-0.450.60-0.90≤0.025≤0.035≤0.400.90-1.20–
JIS G4053SCr4400.38-0.430.60-0.90≤0.030≤0.0300.15-0.350.90-1.20≤0.25

4. AISI 5140 Steel Properties
PropertyValue in metric unitValue in US unit
Density7.872 *10³kg/m³491.4lb/ft³
Modulus of elasticity205GPa29700ksi
Thermal expansion (20 ºC)12.6*10-6ºCˉ¹7.00*10-6in/(in* ºF)
Specific heat capacity452J/(kg*K)0.108BTU/(lb*ºF)
Thermal conductivity44.7W/(m*K)310BTU*in/(hr*ft²*ºF)
Electric resistivity2.28*10-7Ohm*m2.28*10-5Ohm*cm
Tensile strength (annealed)572MPa83000psi
Yield strength (annealed)293MPa42500psi
Elongation (annealed)29%29%
Hardness (annealed)85RB85RB
Tensile strength (normalized)793MPa115000psi
Yield strength (normalized)472MPa68500psi
Elongation (normalized)23%23%
Hardness (normalized)98RB98RB
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.

About us

Founded in 2014, Jiyue Steel Co., Ltd. initially focused on providing high-quality steel for the rapid development of China's infrastructure. Based on the advantages of steel resources and good reputation in the domestic market, combined with the huge demand for steel products in the international market, the company started its international business in 2016 and successfully passed the ISo9001:2008 quality management system certification.

With high quality steel products and professional services, Jiyue has won international praise in infrastructure, shipbuilding, petroleum and other industries, and gradually grew into a shining star in the steel export industry. With the exploration and innovation of the company, gradually formed the advantages of steel plate products, and established its own machining center, in order to meet the diversified requirements of customers.

Packaging & shipping

Packaging and loading:

Packaging: According to customers' needs, use wrapping paper. If the transportation period exceeds 10 days or encounters special climate, we will use waterproof packaging and add plastic film to prevent moisture, water and rust.

Loading: We use the wooden pallet,triangular wood to fix the coil,and the steel wire rope to hold on the both side. That can prevent from the crush injury effectively.

FAQ

Q1:Accepted delivery terms

A1:EXW, FOB, CFR, CIF, FCA, FSA, CPT, CIP, DAT, DAP, DDP, DDU

Q2:Accepted Payment Types

A2:T/T, L/C

Q3:What is your delivery time ?

A3:8000 tons of inventory guarantee immediate delivery, Non-stock products, delivery within 5-7 days.

Q4:Accepted payment currencies

A4:CNY, USD, EUR, JPY, CAD, AUD, HKD, GBP, CHF

Q5:What standard steel can you provide?

A5:We can provide various standards, such as: AISI, ASTM, ANSI, ASME, UNS, SAE, DIN, EN, GB, JIS, etc

Q6:How do you guarantee the product quality?

A6:CE, ISO certificate, supporting any third party inspection. A pre-production sample before mass production, final Inspection before shipment.

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