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

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SHANGHAI UNITE STEEL

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

Brand Name : UST

Model Number : Dia: 2-800mm

Certification : ISO 9001

Place of Origin : China

MOQ : MOQ: 1 piece

Price : USD 20- 800/piece

Supply Ability : 500 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.

Tolerance : ISO 2768-1-f, and ovality is half of the tolerance of diameter

Chrome thickness : 10micron (min)

Surface hardness : 800 - 1200 HV

Straightness : 0.1/1000 (min)

Surface roughness : Ra 0.1 or Less Than Rz0.8

Salt spray : 48 - 120 hours (Chromed)

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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.

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

Skype: erichuang20111

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4140 chrome plated bar stock

Fixed Length chrome plated bar stock

4140 chrome piston rod

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