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Cold Drawn Profile Steel , Alloy Steel Cold Finished Bar 41Cr4 / 5140 / SCr440 / 40Cr

SHANGHAI UNITE STEEL

Cold Drawn Profile Steel , Alloy Steel Cold Finished Bar 41Cr4 / 5140 / SCr440 / 40Cr

Brand Name : UST

Model Number : Shape, Round, Square, Hex, Flat and Irregular

Certification : ISO 9001

Place of Origin : China

MOQ : MOQ: 1-3 ton

Price : USD 670- 1100/ton

Supply Ability : 1500 ton/month

Delivery Time : Within 5-35 days

Packaging Details : Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips.

Process : Hot rolled+Annealed+Cold drawn

Quality Standard : ASTM A29, DIN, JIS

Surface : Smooth or bright

Material : alloy steel

Tolerance : H9,H10,H11

Keyword : Cold Drawn Profile Steel

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Cold Drawn Profile Steel , Alloy Steel Cold Finished Bar 41Cr4 / 5140 / SCr440 / 40Cr

Feature and Customer Benefits:

Cold drawn products Features Customer Benefits
Improved Size and Section Tighter size & section tolerances Reduces machining losses
Dimensional consistency within each bar
Dimensional consistency from bar to bar
Better surface finish Ground and polished Reduces surface machining &
improves quality
Surface Improvement (Shaving or turning to produce "Defect Free" surface)
Tighter straightness tolerances Improved Straightness Facilitates automatic bar feeding
Increased Mechanical Properties Yield strength Can reduce the need for hardening
Tensile strength
Hardness
Improve Machinability and Productivity Increased machining rates Enables higher machining feeds & speeds and
improved machined finish
Longer tool life
Improved yield
Improved Formability Improves response to spheroidization Cold Drawn and Annealed
Improved Cost Effectiveness Optimizes machinabili

Related specification:

European: 41Cr4

USA: ASTM A29 , ASTM A510 , ASTM A519

SAE J404

SAE: 5140

Japan: JIS S SCr440

Chemical composition(%):

Grade C Si Mn P S Cr
5140 0.38-0.43 0.15-0.35 0.70-0.90 0.030 max 0.040 max 0.70-0.90
41Cr4 0.38-0.45 0.40 max 0.60-0.90 0.025 max 0.035 max 0.90-1.20
40Cr 0.37-0.44 0.17-0.37 0.50-0.80 0.035 max 0.035 max 0.80-1.10

Tolerance and roughness:

Size Standard Tolerance(inches) Special Tolerance(inches) Min.Corner Radii(inches) Max.Surf.Roughness
0.125-0.4375 0.002'' 0.001'' 0.015'' 63Ra
0.4375-0.75 0.003'' 0.0015'' 0.03'' 90Ra
0.75-1.5 0.003'' 0.0015'' 0.03'' 125Ra
1.5-2.5 0.004'' 0.002'' 0.03'' 125Ra
2.5-3.0 0.005'' 0.0025'' 0.03'' 125Ra
3.0-4.0 0.006'' 0.003'' 0.03'' 125Ra

Certificate of Quality: issued in English, in addition the normal terms, production process, the mechanical property yield strength, tensile strength, elongation and hardness, forged ratio, UT test result, Grain size, heat treatment methods and the sample of is shown on the Certificate of Quality.

Packing: Plastic reel shaft, and bound, iron wire frame, the paper barrel etc
Cold Drawn Profile Steel , Alloy Steel Cold Finished Bar 41Cr4 / 5140 / SCr440 / 40Cr

Please feel free to contact us again if you have any further questions. We look forward to receiving an order from you.


Product Tags:

old finished steel bar

      

hexagonal steel bar

      
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