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CK45 CK22 motorcycle exhaust using cold drawn seamless steel tube
Jun 08, 2017

Product Details

Mechanical property

Material

Tensile strength

Yield strength

Elongation

Hardness

Ck20/20#/AISI1020

>520 N/ mm2

>375 N/mm2

>15%

>85HB

Ck45/45#/AISI1045

>600 N/ mm2

>520 N/ mm2

>15%

>85HB

ST52/16Mn/Q345D

>600 N/ mm2

>520 N/ mm2

>15%

>85HB

25Mn/STKM 13C-T

>600 N/ mm2

>530 N/ mm2

>15%

>85HB

steel tube grde and chemical composition

chemical composition(%)

grade

C

Si

Mn

P

S

St35

≤0.18

0.17-0.37

0.35-0.65

0.035

0.035

St37.4(10#)

≤0.18

0.17-0.37

0.35-0.65

0.035

0.035

St45(20#)

≤0.25

0.17-0.37

0.50-0.80

0.035

0.035

St55(35#)

≤0.22

≤0.55

≤1.50

0.035

0.035

St52(16Mn)

≤0.20

≤0.55

≤1.50

0.035

0.035

CK45

0.42-0.50

0.17-0.37

0.50-0.80

0.035

0.035

 

application

1)  Fuel injection lines/nozzles for diesel or gasoline engine;

2)  Compressed natured gas CNG tube

3)  Drive transmission: steering column elements

4)  Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel

drive shafts

5)  Mechanical structure pipe parts in automobile,motorcycles and vehicle

6)  Hydraulic circuits, pneumatic lines and hydraulic suspension

7)  Hydraulic cylinders