Spiral Welded Pipe (SSAW) — Large Diameter API 5L X42M–X60M

Spiral submerged arc welded (SSAW) steel pipe: WT 7.92–50 mm, 6/12 m lengths, API 5L X42M–X60M and Q235 grades. Piling, bridge and port projects. ISO 9001 supplier China.

• Standards & grades: Spiral welded pipe is manufactured to GB standards with API 5L product lines (X42M–X60M, where the "M" suffix denotes thermo-mechanically controlled process steel used in welded manufacturing). Where project documents require, equivalent standards such as EN 10217 / EN 10219 and ASTM are available (Typical). Production is managed under the ISO 9001 quality system (No. 31325Q300277R0S), and each batch ships with a Mill Test Certificate.
• Sino East supplies spiral welded pipe (SSAW, also known as SAWH — spiral submerged arc welded) for large-diameter piling, bridge, port and structural projects. Our SSAW line is produced in wall thicknesses from 7.92 to 50 mm as customer request, in 6 m or 12 m lengths, to GB standards and API 5L product lines in grades X42M, X46M, X52M, X56M and X60M — with Q195, Q235 and Q215 base grades available for structural duty. Pipe is supplied galvanized or black-painted with ±1% OD tolerance, and outer diameters are built per project, with typical diameters from 219 to 3500 mm. Applications from the product line include structure, piling, bridge and port construction, plus water and oil/gas pipeline service. Standard terms: MOQ 100 tons, delivery 22–30 days, invoiced by actual weight, trade terms FOB, C&F, CIF and EXW, and 30% deposit + 70% balance payment. Every batch is covered by ISO 9001 (No. 31325Q300277R0S) and a Mill Test Certificate.