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

SHANGHAI UNITE STEEL TRADING CO., LTD
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Cold Drawn Profile Steel , Alloy Steel Cold Finished Bar 41Cr4 / 5140 / SCr440 /

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 FeaturesCustomer Benefits
Improved Size and SectionTighter size & section tolerancesReduces machining losses
Dimensional consistency within each bar
Dimensional consistency from bar to bar
Better surface finishGround and polishedReduces surface machining &
improves quality
Surface Improvement (Shaving or turning to produce "Defect Free" surface)
Tighter straightness tolerancesImproved StraightnessFacilitates automatic bar feeding
Increased Mechanical PropertiesYield strengthCan reduce the need for hardening
Tensile strength
Hardness
Improve Machinability and ProductivityIncreased machining ratesEnables higher machining feeds & speeds and
improved machined finish
Longer tool life
Improved yield
Improved FormabilityImproves response to spheroidization Cold Drawn and Annealed
Improved Cost EffectivenessOptimizes machinabili

Related specification:

European: 41Cr4

USA: ASTM A29 , ASTM A510 , ASTM A519

SAE J404

SAE: 5140

Japan: JIS S SCr440


Chemical composition(%):

GradeCSiMnPSCr
51400.38-0.430.15-0.350.70-0.900.030 max0.040 max0.70-0.90
41Cr40.38-0.450.40 max0.60-0.900.025 max0.035 max0.90-1.20
40Cr0.37-0.440.17-0.370.50-0.800.035 max0.035 max0.80-1.10

Tolerance and roughness:

SizeStandard Tolerance(inches)Special Tolerance(inches)Min.Corner Radii(inches)Max.Surf.Roughness
0.125-0.43750.002''0.001''0.015''63Ra
0.4375-0.750.003''0.0015''0.03''90Ra
0.75-1.50.003''0.0015''0.03''125Ra
1.5-2.50.004''0.002''0.03''125Ra
2.5-3.00.005''0.0025''0.03''125Ra
3.0-4.00.006''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


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


Product Tags:

Flat Steel Bar

      

Hexagonal Steel Bar

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

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