SSAW (HSAW) is named of Spiral steel pipes. it is made by steel plate. During molding process of spiral welded steel pipe, steel plate has uniform deformation and light residual stress, then take the technology of double wire and double-faced submerged-arc welding. Spiral steel pipe has more flexible thicknesses and diameters, especially in making high-grade and large diameter pipes. These techniques has incomparable advantages in satisfying many large pipe line project.

Application:

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

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

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

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

Standard and steel grade:

API 5L, ASTM A53, ASTM A252, GB/T9711.

Q235A, Q235B, 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) PSL1 and PSL2

As a spiral pipe manufacturer, we have 13 sets most advanced double-sided submerged arc welding steel pipe production lines. We can produce the SSAW pipes with diameter ? 219mm-?3500mm and wall thickness from 4.8mm to 25mm, steel grade can reach X80 PSL2. the text facility include RT, UT, HT.so excellently guarantee the good quality.