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TUBE FOR HYDRAULIC PILLAR SERVICE

Category：

TUBE FOR HYDRAULIC PILLAR SERVICE

Keywords：

Hotline：

+86 13373379809

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Product Description

TUBE FOR HYDRAULIC PILLAR SERVICE

Standard:

GB/T 17396

Application:

It is used for Hydraulic pillars for manufacturing colliery

Main Steel Tube Grades:

45#, 27SiMn

 

Standard

 

GB/T17396

GB8713

 Steel Grade

Chemical Composition %

C

Si

Mn

P

S

Ni

Cr

Cu

 Mo

其他

45

0.42-0.50

0.17-0.37

0.50-0.80

≤0.35

≤0.35

≤0.25

≤0.25

≤0.20

-

-

27SiMn

0.24-0.32

1.10-1.40

1.10-1.40

≤0.35

≤0.35

≤0.25

≤0.25

≤0.20

≤0.15

-

Steel Grade

Mechanical Properties

Tensile Strength（MPa）

Yield Strength（MPa）

Elongation%

Impact power（J）

Hardness（HBS）

45

≥600

≥355

≥16

≥39

≤197

27SiMn

≥980

≥835

≥12

≥39

≤217

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