5140 forged bar/41cr4/ 5140 Alloy Steel for Machinery Parts/Flat Bar/Steel Block/Round Bar

China 5140 forged bar/41cr4/5140 Alloy Steel for Machinery Parts/Flat Bar/Steel Block/Round Bar, Find details about China 41cr4 Alloy Steel, Alloy Steel 41cr4 from 5140 forged bar/41cr4/5140 Alloy Steel for Machinery Parts/Flat Bar/Steel Block/Round Bar

Basic Info.

Model NO.

5140 forged bar

Special Use

High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

Application

Die Steel Bar

Trademark

Ningbo Ningshing

Specification

Round: 100-1500mm

Origin

China

Model NO.

5140 forged bar

Special Use

High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel

Application

Die Steel Bar

Trademark

Ningbo Ningshing

Specification

Round: 100-1500mm

Origin

China

Product Desciption

41Cr4 | 5140 Alloy Steel for Machinery Parts

41Cr4 / 5140 Alloy Steel Bar for Machinery Parts, Transmission Parts, Plastic Mold.

Dimensions
Forged Round: dia.100-1500 mm.

DeliveryCondition
EAF+LF+VD, Hot Rolled or Forged or Cold Drawn, Black surface or Machined surface (Peeled, Turned, Grinded), UT 100% Passed.

Equivalence

AISI / SAE	DIN / W.Nr	JIS	GB
5140	41Cr4 41CrS4 1.7035	SCr440	40Cr

Chemical Composition(%)

Steel Grade	C	Si	Mn	P	S	Cr
41Cr4 1.7035	0.38-0.45	0.15-0.35	0.50-0.80	≤ 0.035	≤ 0.035	0.90-1.20
41CrS4	0.38-0.45	0.15-0.35	0.50-0.80	0.020-0.040	≤ 0.035	0.90-1.20
5140	0.38-0.45	0.15-0.35	0.50-0.80	≤ 0.035	≤ 0.035	0.90-1.20
SCr440	0.38-0.44	0.15-0.35	0.60-0.90	≤ 0.030	≤ 0.030	0.90-1.20
40Cr	0.37-0.44	0.17-0.37	0.50-0.80	≤ 0.035	≤ 0.035	0.80-1.10

Characteristics
1. One of the most popular grade in mechanical manufacturing industry
2. Good comprehensive mechanical property, good impact toughness in low temperature, low notch sensitivity after heat treatment.
3. Good hardenability, water quenching can reach dia.28-60mm , oil quenching can reach dia.15-40mm.
4. Suitable for nitriding and high frequency quenching.
5. Good machinability.

Applications
1. For making intermediate speed and medium duty axle parts after Q+T.
2. For making parts with high surface hardness and wear resistance after Q+T and high frequency quenching.
3. For making intermediate speed impact and heavy duty parts after quenching and average tempering.
4. For making low speed impact, heavy duty and wear resistance parts after quenching and low tempering.
5. For making good toughness transmission parts in low temperature after Carbonitriding processing.
6. For making medium size plastic mould.