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

Categories	Cold Finished Bar
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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SHANGHAI UNITE STEEL

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

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

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

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

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