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Type of steel pipe
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Specs(outer diameter/size )
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Wall thickness range
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Length
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Material
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International Standards
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Main Applications
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Straight seam steel pipe
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1mm-2000mm and so on
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1.0mm-50mm and so on
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6m,9m,12m and so on
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Carbon steel stainles,stainless steel ,alloy steel
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API 5L,
ISO3183, EN10219, ASTM A252, ASTM A671, ASTM A691 etc. |
Petroleum,natural gas
chemical industry, electric power, construction, water supply,etc. For conveying fluids,gases and structural support |
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ERW
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Low-pressure fluid transportation
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LSAW
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High-pressure,
large-diameter pipelines |
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DSAW
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Large-scle projects
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Spiral welded pipe
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219mm-3500mm and so on
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3.5mm-28mm and so on
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Petroleum,
natural gas, water conservancy, construction, heating,ect. |
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Butt-welded steel pipe
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323.9mm-2032mm an so on
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6mm-40mm and so on
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6m,9m,12m and so on
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Carbon steel stainles,stainless steel ,alloy steel
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ASTM,EN,JIS ,ect
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Suitable for large-diameter (usually ≥Φ406mm) scenarios with high strength, high pressure-bearing capacity, adaptable to harsh environments
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Suare pipe(including Rectangular pipe )
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20mm*20mm-200mm*200mm
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1mm-10mm and so on
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Structural support, frame construction and other industrial and construction scenarios
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