Fixed Length, 4140 Chrome Plated Bar Stock For Precision Machining Machines

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Fixed Length, 4140 Chrome Plated Bar Stock For Precision Machining Machines

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Brand Name:UST

Model Number:Dia: 2-800mm

Certification:ISO 9001

Price:USD 20- 800/piece

Supply Ability:500 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

4140 piston rod, Hard Chrome Plated steel bar, piston rod, Dia: 2-800mm

Application:

Machine centers,Machine tools,Precision machining machines,Heavy cutting machines,
Punching machines,Marble cutting machines,Automatic equipments,Grinding machines,High speed transfer equipments,Injection molding machines,Measuring equipments.

Chemical requirements

Grade	C	Si	Mn	P	S	Cr	Mo	Cu
4140	0.38~0.43	0.15~0.35	0.75~1.00	≤0.035	≤0.040	0.80~1.10	0.15~0.25	/
SCM440	0.38~0.43	0.15~0.35	0.60~0.85	≤0.030	≤0.030	0.90~1.20	0.90~1.20	≤0.30
42CrMo4	0.38~0.45	≤0.40	0.60~0.90	≤0.035	≤0.035	0.90~1.20	0.15~0.30	/
42CrMo	0.38~0.45	0.17~0.37	0.50~0.80	≤0.030	≤0.030	0.90~1.20	0.15~0.25	/

Size range:
Dia: 2-800mm
Length Random Length, Fixed Length, etc.

Applications	Machine centers,Machine tools,Precision machining machines,Heavy cutting machines,Punching machines,Marble cutting machines,Automatic equipments,Grinding machines,High speed transfer equipments,Injection molding machines,Measuring equipments.
Material	alloy steel, carton steel or stainless steel
Equipment	From simple 2-axis turning to 7-axis, turn-mill-drill CNC Swiss-type/machines, we are equipped with a full line of CNC equipment from the following manufactures:/molding machines/ stamping machines/automatic lathe machines/ spring machines, and so on.
Process	Raw materials →heat treatment(normalizing+tempering) →Peeled/cold drawn/turned → Straightening →Cutting→ inspection → rough grinding 3 times → Straightening →Inspection →Precision grinding 2 times →Inspection →Polishing →Inspection → Chromeplating →Inspection →Polishing →Inspection →Packaged
Heat Treatment	Normalization , quenching and tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching
Dimension	Dia: 2-800mm, Length Random Length, Fixed Length, etc
Tolerance	ISO 2768-1-f, and ovality is half of the tolerance of diameter
Chrome thickness	10micron (min)
Surface hardness	800 - 1200 HV
Surface roughness	Ra 0.1 or Less Than Rz0.8
Straightness	0.1/1000 (min)
Salt spray	48 - 120 hours (Chromed)
Packing	Wooden case or according to customers' requirement
Delivery time	Within 5-25 days.

Skype: erichuang20111

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!