The company has the most advanced double-sided submerged arc welding steel tube production lines and can produce the SSAW pipes with diameter θ219mm-θ2200mm and wall thickness from 6mm to 25mm. The double-sided submerged arc welding processing boasts not only with high deposition rate, but also with deep penetration ability, good quality and appearance of welding line and high density. All these can meet the requirements of welding line.

Spiral steel pipe was made by steel coil, extrusion forming under the normal temperature, and was taken the technology of double wire and double-faced submerged-arc welded.

Technological Characteristics:

During the molding process of the spiral welded steel pipe, the steel plate has uniform deformation and light residual stress, and the surface has no scratches. The pipe made by the spiral pipe manufacturer has more flexible thicknesses and diameters. Especially in making high-grade thick pipes with small or medium aperture, this kind of techniques has incomparable advantages that can satisfy more requirements on spiral welded pipes.

Application:

Spiral steel tube was mainly used in public waterworks, petrochemical industry, chemical industry, electric power industry, agricultural irrigation and urban construction etc.

For liquid transportation: water supply, drain off water, petroleum transportation, etc.

For gas transmission: coal gas, steam, liquefied petroleum gas, gas etc.

For structure: piling, bridge, wharf, road, architectural structure, etc.

Material:

Q235A, Q235B, 10#, 20#, Q345(16Mn), L245(B), L290(X42), L320(X46), L360(X52), L390X56), L415(X60), L450(X65), L485(X70), L555(X80), L290NB/MB(X42N/M), L360NB/MB(X52N/M), L390NB/MB(X56N/M), 415NB/MB(X60N/M), L450MB(X65), L485MB(X70), L555MB(X80)


PP API pipe according to standards API 5CT, API 5L, API 5LD, could be used in transfering oil, gas, water in oil field and mine 

2PP API pipe, WITH TWO LAYERS OF POLYPROPYLENE  (2PP)  TO ANTI-CORROSION, FOR OIL AND NATURAL-GAS INDUSTRY.

 

3PP API pipe, WITH THREE LAYERS OF POLPOLYPROPYLENE(3PP)  TO ANTI-CORROSION, FOR OIL AND NATURAL-GAS INDUSTRY.

 

 

 

COATING STANDARD: DIN30670

 

 

SIZE: OUTSIDE DIAMETER FROM 159mm to 1600 mm.

 

 

PP STEEL PIPE CAN BE WIDELY USED IN GAS OIL CHEMICAL MINE POWER THERMODYNAMICS AND WATER INDUSTRIES FOR TRANSPORTATION MEANWHILE CAN BE USED FOR BRIDGE PIPELINE, OUTSIDE SURFACE COATED WITH 2PE OR 3PE AND INSIDE SURFACE COULD BE COATED WITH EPOXY RESIN POWDER THEN DECREASE TRANSPORTATION RESISTANCE.

 

CERTIFICATE: ISO9001, UL, FM, CE, API

N.B	Epoxy powder coating	Adhesive(um)		Min wall thickness of anticorrosive coating (mm)
(mm)	(mm)	two layer	three layer	usual grade	strengthen grade
≤100	≥80			1.8	2.5
250		200-400	170-250	2.0	2.7
250				2.2	2.9
500				2.5	3.2
DN≥800				3.0	3.7