best sae 4140 steel tube 1.7225 tube
Standards:ASTM,JIS,GB,EN(DIN,BS,NF) Or Per as clients’ requires.
Product Basic Information:
1.Chemical Composition and Mechanical Properties(In Quenched & Tempered State):
|
Material
|
4140
|
|
Chemical Composition
|
Mechanical Properties(In Quenched & Tempered State)
|
|
C
|
0.38-0.45
|
Tensile strength(MPA)
|
≥1080
|
|
Si
|
0.17-0.37
|
Yield strength (MPA)
|
≥930
|
|
Mn
|
0.50-0.80
|
Elongation(δ5/%)
|
12
|
|
Cr
|
0.90-1.20
|
Reduction in Area (ψ/%)
|
45
|
|
Mo
|
0.15-0.25
|
Impact (J)
|
63
|
|
P
|
≤0.035
|
Hardness
|
≤217HB
|
|
S
|
≤0.035
|
|
Cu
|
≤0.30
|
|
Ni
|
≤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.
