Machinery steels are carbon steels suitable for the working parts of the machine in general mechanical engineering industry. Different grades of steel can be applied to components with different level of stress and pressure ranging from moderate to high.All our machinery steel materials are hardened and tempered for oil quenching and water quenching. It is also suitable for flame hardening and induction hardening.

General Applications
 

Axles, gears, shafts, pins, fasteners, hand tools, short run punching and cutting tools, base plates for mould and die, simple moulds, hydrogenation vessels, pinions, arbours, connecting rods, tool joints and drill collars (oil & gas industry), crankshafts, driving gears, eccentric shafts, steering components and etc.

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SSA1191 - Typical applications of SSA1191 are for relatively simple machine parts

 
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SSA7225's typical applications include shafts, gears and components for oil drilling equiments

 
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SSA6582 - Due to its good hardenability, it is used for parts such as heavy shafts and gears subject to strict demands on toughness

 
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SSA5919 and SSA7131 are used for complicated parts subject to strict demands on dimensional stability, core hardness and toughness

 

Machinery Steel

Description

AISI

JIS

BS

DIN

 

SSA1191

Medium Carbon Steel

1045

S45C

EN43/EN9

CK45

 

SSA7225

High Tensile Steel (Q&T )

4140

SCM440H

EN19

42CrMo4

 

SSA7218

Chromium Case-Hardened Steel

4130

SCM420

-

22CrMo4

 

SSA6582

Nickel ChromeHigh Tensile Steel (Q&T)

4340

SNCM 447H

EN24

34CrNiMo6

 

SSA5919

Nickel Chromium Case Hardening Steel

3215

SNC21

EN352

15CrNi6

 

SSA7131

Chromium Case Hardening Steel

5115

-

527M17

16MnCr5

 

SSA8620

Nickel Chromium Case Hardening Steel

8620

SNCM21

-

21NiCrMo2

 

SCM420

Chromium Case Hardening Steel

4120

SCM420

CDS110

30CrMo4

 

S50C

Medium Carbon Steel

1050

S50C

EN43

CK53

 

S50C

Medium Carbon Steel

1055

S55C

EN43

CK53

 

ST52-3

Weldable High Strength Steel

-

3106/ SM490

4360 GRADE 50D

EN10025