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40Cr

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Brand Name:UST

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

Certification:ISO 9001

Price:USD 670- 1100/ton

Supply Ability:1500 ton/month

Delivery Time:Within 5-35 days

Company Data

SHANGHAI UNITE STEEL

Active Member

Contact Person Eric

Business Type: 86-21-35316960

Business Type: Manufacturer Distributor/Wholesaler Agent Exporter Trading Company Seller

Officials: Room 1109, Loft Office, Green Land International Plaza, No. 275-8 Guoding East Road, Shanghai 200433, P.R. China. (admin(a)shunitesteel.com)

Quality: Quality Certifitation Available

Product Details Company Profile

Product Details

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.

Company Profile

SHANGHAI UNITE STEEL

We, Shanghai Unite Steel are committed to integrate engineering steel resources in china and serve the global engineering steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise.

In the aspect of resources and information, we have established cooperative and stronger relationship with nearly hundred enterprises, either state-owned or private owned in china, such as: DAYE Special Steel-a famous steel enterprise with the longest steelmaking history; BAO Steel, and Dongbei Special Steel Group-the biggest special steel manufacturer; TPCO, VALIN-largest seamless steel tube production enterprise; What's more, we have built long, deep and close business relationship with dozens of steel companies, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want!