Mainly used in:
a.Precision steel tubes used on automobile bushing
b.Precision steel tubes used on shock absorber
c.Precision steel tubes used on regular machined parts
d.Precision steel tubes used on other structural purpose
Our precision steel pipe used in below 5 areas:
1.Precision steel pipe used on automobile bushing
2.Precision steel pipe used on shock absorber
3.Precision steel pipe used on hydraulic
4.Precision steel pipe used on rebar coupler
5.Precision steel pipe used on tunnel anchor
Usual standard of automobile and motorcycle precision pipe:
A、 | Japanese standard | JIS G3441,JIS G3444,JIS G3445; | |
Common Steel Grade | SCM415,SCM420,STK 290,STK400,STKM 11A-STKM 17C | ||
B、 | European standard | EN10305-1,EN10305-2 | |
Common Steel Grade | E215,E235,E355 | ||
C、 | German standard | DIN2391 | |
Common Steel Grade | ST35,ST37.4,ST45,ST52.4 DIN2391 | ||
D、 | China GB | GBT3639 | |
Common Steel Grade | 10、20、35、45、16mn |
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