best sae 4140 steel tube 1.7225 42crmo4 stamping shaft,

4140 Steel Roller,we can produce Machined Part according to drawings

Standards:ASTM,JIS,GB,EN(DIN,BS,NF) Or Per as clients requires.





Product Basic Information:

1.Chemical Composition and Mechanical Pr operties(In Quenched & Tempered State):



Material

4140

Chemical Composition

Mechanical Properties(In Quenched & Tempered State)

C

0.38-0.45

Tensile strength(MPA)

â?¥1080

Si

0.17-0.37

Yield strength (MPA)

â?¥930

Mn

0.50-0.80

Elongation(δ5/%)

12

Cr

0.90-1.20

Reduction in Area (Ï?/%)

45

Mo

0.15-0.25

Impact (J)

63

P

â?¤0.035



Hardness



â?¤217HB

S

â?¤0.035

Cu

â?¤0.30

Ni

â?¤0.30





2.Product Application Areas:

Our products have been used in all kinds of areas, such as aviation,aerospace,navigation,nuclear energy,chemical industry,

electronic information,achine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments, etc.



3.Similar steel grade & equivalent steel materials:

USA

Japanese

Gemany

British

France

International

Chinese

ASTM&AISI&SAE

JIS

EN DIN

EN BS

EN NF

ISO

GB

4140

SCM440

42CrMo4

1.7225

42CrMo4

1.7225

42CrMo4

1.7225

------

42CrMo



4 we have sold 4140 hot rolled and 4130 cold drawn steel tube before,aslo we can produce machined steel pipe according to drawing,we have sold to Israel,brazil,Portugal and son on,u can check some of the pictures below