Q255/SM400 Welded Steel Pipe

Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or strip after crimping, welded steel pipe wall is thicker, has higher strength and stiffness, can withstand greater pressure and impact, its excellent mechanical properties, welded steel pipe is a widely used in construction, petroleum, chemical, light industry, machinery and other fields of pipe.

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◉ Key Attributes

Q255/SM400 Welded steel pipe the billet used for welding steel pipe is steel plate or strip steel, which is divided into furnace welded pipe, electric welding (resistance welding) pipe and automatic arc welding pipe because of its different welding process. Because of its different welding forms are divided into straight seam welded pipe and spiral welded pipe two kinds. Because of the shape of its end, it is divided into circular welded pipes and special-shaped (square, flat, etc.) welded pipes.


Product NameQ255/SM400 Welded Steel Pipe
StandardAPI, ASTM, DIN, GB, JIS, API 5L, ASTM A213-2001, ASTM A333-2005, ASTM A335-2006, DIN 17175, GB 3087-1999, GB 5310-1995, GB
6479-2000, GB 9948-2006, GB/T 9711.2-1999, JIS G3458-2005
Grade10#-45#, API J55-API P110, Cr-Mo alloy, Q195-Q345, 20#, API J55, API K55, API L80, API N80, API P110, 10CrMo910, 12Cr1MoV, 12CrMo,
13CrMo44, 15CrMo, Q235
Outside Dia(mm)10.3-1219mm
Wall Thickness(mm)1.5-30mm
LengthRandom length:5-12m
SurfaceBlack painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,ect
PackagingLoose package, Packaged in bundles(3Ton Max) , bundled pipes with two slings at the both end for easy loading and discharging, End
with Plastic caps or as per requirement
Application1. Fluid pipe
2. Power Plant
3. Structure pipe
4. High and low pressure Boiler tube
5. Seamless pipe /tube for petroleum cracking
6. Conduit pipe
7. Scaffolding pipe pharmaceutical andship,building etc.
Payment30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy or 70%T/T balance, 100% Irrevocable L/C at sight, 100%
Irrevocable L/C after receive B/L in 15 days
Advantages1. Reasonable price with excellent quality
2. Abundant stock and prompt delivery
3. Rich supply and export experience, sincere service



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