GR.B 8inch STD Seamless Black Steel Pipe

GR.B 8inch STD Seamless Black Steel Pipe

Delivery Time: 7-15days after pre-payment

Payment: L/C,D/A,D/P,T/T,Western Union,Money Gram payments for offline orders.

Mobile/whatsapp: +86-15076763716




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GR.B 8inch STD Seamless Black Steel Pipe

GR.B 8inch STD Seamless Black Steel Pipe is widely used for conveying fluid pipe , structural components,high low pressure boiler, heat exchanger, chemical electric power,and so on.The tenology process is hot rolled,cold drawn.

Material: GR.B

Standard: ASTM A106/API 5L

Size: 8 inch


Wall Thickness: STD

Surface: black ,oiled

usage: boiler,oil or gas pipeline

GR.B 8inch STD Seamless Black Steel Pipe

a.Chemical components

C% :≤0.30;Si≥0.10;Mn:0.29-1.06;P≤0.035;S≤0.035;Cu≤0.40;Ni≤0.40;Mo≤0.15;Cr≤0.40;V≤0.08

b.Mechanical property

Tensile stegngth:≥415MPa;Yield strength≥240MPa;Elingation≥30

our advantage

GR.B 8inch STD Seamless Black Steel Pipe


Being in this line over ten years,we have great advantages in quality control.


we have certificates,API,CE,ISO and so on


Wide products and size availability,free sample can be provided.

4.Sales Team

professional sales team,professional project advice.

pls contact me


CangZhou ZhongShun Steel Pipe Trade  CO., LTD

Add: Cangzhou Custom  House Building,Cangzhou City,

Hebei  Province,China

whatsapp: +86-15076763716


Global Business

1. More than 10 years of sales experience

2. Product exported more than 150 countries

3. Arrange to produce according yo customer's request

Fast Delivery

1. AA level customs broker,Faster through

2. 20 years of experience in the freight forwarding company

3. Delivery Detail: 10-20 days

Trusted Quality

1. Certificate: API, CE, ISO9001.2000.MTC etc

2. Inspection: BV,SGS,others is avaliable.

3. A complete testing system and testing equipments

One-Step Service

1. Free sample can be provided

2. Small order is acceptable

3. OEM is acceptable

4. Any third party testing is acceptable




  • Phone0086-317-2159105


  • Phone0086-317-2159106