Equal grade

GB

DIN

ASTM

JIS

        BS

          NF

42CrMo

42CrMo4

 1.7225

4140

 SCM440 (SCM4)

   708A42

   708M40

       40CD4     

Chemical

Composition

(%)

   C

   Cr

   Si

    Ni

      Mn

     P

    S

0.38-0.45

0.9-1.2

0.17-0.37

≤0.30

0.5-0.8

≤0.035

≤0.030

Application:

1.Mainly used in the manufacture of petroleum, chemical, gas separation and shipping 

container or other similar devices, such as all kinds of tower vessels, heat exchangers, 

torage tank and tank car, etc.

2.Manufacture all kinds of stamping parts, construction and engineering structure and 

some of the less important machine structure and parts.

3. Buildings and Bridges,Vehicles, towers and other structures.

4.Used as a floor, workshop escalator, working pedal, ship deck and car plate and so on

5.Make fixed boiler, boiler and other important hull attachments.

6.Pressure vessels, welding gas cylinder steel plate

7.Production of cutting tools, measuring tool and die

Packing:

   In bundle, black, caps, beveled ends or plain ends OEM/ customer's   

   REQUEST Marks: Standard * Material*OD*WT*L *Lott No./required

   Shipping:

   Length: ≤5.85m, loaded in 20FT Container, Max 22tons

   Length: ≤11.85m, loaded in 40 FT Container, Max 27tons

   Length: ≥12m, shipped by bulk vessel.