1.7225 42CrMo4 M4S
1.7225 42CrMo4 M4S
1.7225 42CrMo4 M4S
1.7225 42CrMo4 M4S
1.7225 42CrMo4 M4S

1.7225 42CrMo4 M4S

Applications: such as large gear, supercharger transmission gear, rear shaft, loaded connecting rod and spring clamp for locomotive pulling |, 42CrMo4 can also be used for drilling pipe joints and fishing tools in deep oil Wells below 2000m.

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Product Introduction

1.7225 42CrMo4 M4S

AISI 4140 alloy steel

Grade: 42CrMo, AISI 4140/4142, DIN 41CrMo4(1.7225), JIS SCM4

Chemical composition

C	Si	Mn	S	P	Cr	Mo
0.38~0.45	0.17~0.37	0.50~0.80	≤0.035	≤0.035	0.90~1.20	0.15~0.25

Specification:

steel plate : thickness : 20-400mm width : 80-1000mm length:2000-5800mm

Steel round bar: diameter: 50-500mm length : 2000-5800mm

Surface treatment :

Round bar : Black /Grinding / Polished / Peeled / Turned

Steel plate : Black / Milling / Machined

Heat treatment:

Normalization: heating to 840 to 880 ° C, maintenance, furnace cooling to 600 ° C, then in air.
Hardening: preheating from 600 to 650 ° C austenitizing at 840 to 880 ° C, quenching in oil.
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Main features:
1.Good purity and good machinability
2.Good dimensional stability during heat treatment.

3.Induction hardening to increase the mechanical properties.

Applications:
4140 is for making hafts, gears, cylinders and columns for industry mechanics in general,

construction of mold, mechanical parts in general.

Business Terms

Lead time: 40days after contract

Port of unloading : Shanghai/Wuhan/Ningbo

Productivity: 4000 metric ton per month

Factory state: Annealed/Ingot/Processing