Hex22 hollow drill steel for coal and rock mining

Standard:

API, API 5DP

Thickness:

5 - 10 mm

Section Shape:

hex

Place of Origin:

Henan, China

Application:

hollow drill steel

Technique:

Hot Rolled

Certification:

API

Surface Treatment:

black

Special Pipe:

API Pipe

Alloy Or Not:

Is Alloy

product:

Hex22 hollow drill steel for coal and rock mining

catelogue:

hollow drill steel

process:

hot rolled

material:

8Cr, 60Si2Mn, 55SiMnMo, 95CrMo

shape:

Hexagon and round

usage:

for coal and rock mining

Size:

Hex.22mm, 25mm, 28mm

Skype:

jason.zhan.

Email:

jason(at)shunitesteel.com

Secondary Or Not:

Non-secondary