China Black Seamless Steel Pipe Manufacturers Factory Suppliers

Wanlei supplies black seamless steel pipes for clients. There are ASTM A106 Gr.A, Gr.B and Gr.C black seamless steel pipes, ASTM A53 Gr.A and Gr.B black seamless steel pipe, ASTM A333 Gr.6 black

ASTM A369 is a standard for heavy-duty thick-walled steel pipes, specifically designed for high-temperature and high-pressure conditions. The performance of the pipes varies depending on the steel

X65 seamless steel pipe is a type of steel pipe with high strength and high toughness. It is usually used in fields of petroleum and chemical. X65 seamless steel pipes are available in multiple

DIN17175 seamless steel pipes can be used to manufacture steam boiler, high temperature pipeline, and pressure vessel that need to long-term operation in high temperature environments. We can provide

L360Q or X52Q seamless line pipe is usually used for transmission pipeline systems in fields of petroleum, natural gas, and power industry, etc. We offer high quality seamless line pipe to clients.

Heavy wall seamless steel pipes have high strength and good high-pressure resistance due to their heavy wall thickness. We can provide heavy wall seamless steel pipes that the wall thickness range is

ASTM A512 carbon steel tubes are usually used for mechanical purpose, which has high precision and smooth surface. ASTM A512 standard covers round, square, rectangular, and special shape mechanical

JIS G4051 seamless steel pipe is a type of carbon steel seamless pipe, which is specially designed for machine structure. We can provide high quality JIS G4051 S45C, S20C seamless steel pipes to

ASTM A199 seamless alloy steel tube is made by cold drawn process, which has excellent tensile strength and high temperature resistance. Wanlei mainly supply ASTM A199 T5, T9, T11, T22 to clients.

Our company can supply 10#, 20#, Q295, Q345, Q390, Q420, Q460 seamless steel pipe to customers. It can be used for liquid service.

ASTM A210 seamless steel boiler tubes ASTM A210 seamless medium-carbon steel boiler and superheater tubes Steel grade: A-1, C Delivery condition: Hot finished Size range: OD

Line pipe for sour service General information: Tianjin Wanlei Steel Pipe developed the technology of line pipe for sour service. The billet for this pipe adopt pure, fully killed, fine grain steel.