1)We manufacture precision steel pipe 

2)Standard :DIN 2391 
3)Size OD:13.7-406mm WT:1.65-80mm 
precision steel pipe

DIN 2391
OD:13.7-406mm
WT:1.65-80mm

 /Grade and Chemical Composition ()

Grade

C≤

Mn

P≤

S≤

Si≥

Cr≤

Cu≤

Mo≤

Ni≤

V≤

A

0.25

0.27-0.93

0.035

0.035

0.10

0.40

0.40

0.15

0.40

0.08

B

0.30

0.29-1.06

0.035

0.035

0.10

0.40

0.40

0.15

0.40

0.08

C

0.35

0.29-1.06

0.035

0.035

0.10

0.40

0.40

0.15

0.40

0.08

/Mechanical Properties


Grade


Rm
Mpa Tensile Strength


Mpa
Yield Point

A
Elongation


Delivery Condition

A

≥330

≥205

20

Annealed

B

≥415

≥240

20

Annealed

C

≥485

≥275

20

Annealed

precision pipe

precision steel pipe

precision steel pipe

 
 
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