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Adopting automatic submerged arc welded technology, shaped with spiral weld seam.

Size：		No.		(O.D x Wall Thickness)mm			No.		(O.D x Wall Thickness)mm
		1.		219×6～7			13.		1016×8～19
		2.		273×5.6～8			14.		1219×8～20.6
		3.		323.9×5.6～8			15.		1422×8～20.6
		4.		355.6×5.6～9			16.		1626×10～22.2
		5.		406.4×5.6～10			17.		1829×12.7～23.8
		6.		457×5.6～10			18.		1930×12.7～23.8
		7.		508×5.6～12			19.		2032×14.3～25.4
		8.		610×6.4～13			20.		2120×14.3～25.4
		9.		660×7.1～13			21.		2235×14.3～25.4
		10.		711 × 7.1～14			22.		2337×14.3～25.4
		11.		813 ×7.1～16			23.		2438×14.3～25.4
		12.		914 ×7.1～16

　　In addition to above specification, the pipes can be produced according to customer’s requirements.

Execute Standard：
API SPEC 5L Specification for Line Pipe　GB/T9711.1 Petroleum and natural gas industries—Steel pipe for pipelines—Technical delivery conditions
SY/T5037 Spiral submerged arc welded pipe for low pressure liquid transportation
Used for：
Petroleum and natural gas industry, chemical industry, electric industry, flammable and non-flammable liquid transportation and steel construction, drainage project and city construction etc.
Material：
Q235～Q345　L175-L485　SS400　16Mn　L290-L360　or according to the customer's requirements.
Length：
12000mm+500mm or according to the customer’s requirements.