- Spiral-welded pipe is manufactured from coils of steel that are unwound and flattened. The flattened strip is formed by right-angle rollers into a cylinder of the desired diameter.Spiral-welded pipes are available in sizes from 600 mm to 3650 mm.
- Implementation standards：GB/T 8162, GB/T 8163, GB/T 9711, API SPEC 5L, ASTM A500, ASTM A53, ASTM A106, etc.
- Steel grade：Q235, Q355, 20#, 45#, A53 GR.B, A106 GR.B, L245 B, L290 X42, L360 X52, etc.
- Application areas：Main applications include oil, natural gas, gas, central heating, water supply, sewage treatment and other similar uses.
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