Seamless Hydraulic Prop tube Hot Rolled pipe

GB/T17396-1998 Hydraulic Prop with Hot Rolled Seamless Steel Tube

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Hydraulic Prop with Seamless Hot Rolled steel pipe, produced according to Chinese Standard GB/T17396-1998.

This tube is used for Hydraulic Prop. The seamless Hydraulic Prop pipe is produced with the method of Hot Rolling(Extrusion), according to the Chinese standard GB/T17396-1998.

GB/T17396-1998, a standard applies to the production of coal mine hydraulic support pillar and cylinder, hot-rolled seamless steel pipe column. Other hydraulic cylinder. Hot rolled seamless steel pipe can also refer to this

Feature: Seamless hot rolled tube used for Hydraulic Prop

Application of the seamless hot rolled tube: For Hydraulic Prop

Produce method for hydraulic Prop tube: Hot rolling(extrusion).

The seamless hydraulic Prop tubes` material: 20#/35#/45#/27SiMn/30MnNbRe and so on.

Chemical composition for seamless hot rolled tube:

Mechanical Properties of seamless hydraulic Prop tube:

Tolerance for seamless hydraulic Prop tube:

1.Tolerance of the OD &WT:

2.Bending tolerance of seamless hot rolled tube: 

WT≤15 mm, Bending≤1.3mm/m

WT＞15~30 mm, Bending≤1.5mm/m

WT＞30 mm, Bending≤2.0mm/m

3. End shape:

Both ends of the pipe should be cut to a complete end surface perpendicular to the axis, and remove burrs

4.Delevery condition:

Hot rolled. (or according to customers` request)