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5140 Steel Bar 7035 41Cr4 SCr440 Alloy Steel Round Bar / Hot Rolled & Forged Steel Rod

Place of Origin China
Brand Name DELTA
Certification ISO
Model Number 5140 Steel 1.7035 41Cr4 SCr440 Alloy Steel
Minimum Order Quantity 1 Ton
Price 600-885USD/Ton
Packaging Details standard packing for export
Delivery Time 5 - 12 days based on the quantity
Payment Terms L/C, T/T, Western Union
Supply Ability 20Ton per week

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Product Details
Products Name Alloy Steel Round Bar Diameter 10 - 450mm
Length 6m Tech Hot Rolled
Service Cutting MOQ 1 Ton
Loading Port Shanghai Port Standard ASTM EN GB
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41Cr4 Hot Rolled Steel Round Bar

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7035 Steel Round Bar

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5140 Steel Round Bar

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Product Description

5140 Steel Bar .7035 41Cr4 SCr440 Alloy Steel Round Bar / Hot Rolled & Forged Steel Rod

 

Products Specification

 

Products Name

Steel Round Bar

Diameter 10 - 300mm 
Length 6m or custom cutting any length as request
Type Hot Rolled
Brand BAOSTEEL DELTA DONGBEI HUAXI SHAGANG.etc
MOQ 1 Ton
Loading Port Shanghai Port
Packing packing by steel wire rope
Deliver time 5 - 7 days  for stock materials
Other Grade

Q195,Q235,10#,20#,35#,45#,Q215,Q345,12Cr1Mov,

15CrMo,304,316,20Cr,40Cr,20CrMo,35CrMo,42CrMo,

40CrNiMo,GCr15,65Mn,50Mn,50Cr,3Cr2W8V,20CrMnTi,5CrMnMo 

Standard ASTM GB EN DIN 
Application Structure and Industrial

 

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 bar:

  • 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.

Technical data

 

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.

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