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SSAW Large Diameter Steel Pipes

Production Standards for spirally welded steel pipes

Tianjin Huilitong Steel Pipe is a large diameter spiral weld steel pipe manufacturing and coating facility located in the Tianjin City,China.

A - Oil and natural gas pipelines

• API 5L PSL1, PSL2, EN10208-2,DIN 17172,CSA Z245.1-2014

B - Pipes intended for general use

• DIN 1626, • BS 3601, • BS 4360, • ASTM A 53, • GOST 8696 - 74

C - Water transmission line

• TS EN 10217-1, • EN 10204, • DIN 2460, • AWWA C-200, • BS 534, • UNI 6363

D - Construction pipe piles

• ASTM A-252, • JIS A-5525,• EN10219

ANNUAL PRODUCTION

• 80.000 TONS

PRODUCTION RANGE

• Ø 219,1 mm – Ø 2540mm  (8” – 100”)

WALL THICKNESS

• 6,00 mm - 25,40 mm (0,236”-1”)

PIPE LENGTH

• 6,00 mtr - 36,00 mtr 

EXTERNAL COATING STANDARDS 

SURFACE PREPARATION : ISO 8501 – 1, ISO 8501 – 2, ISO 8501 – 3 

POLYETHYLENE COATING : DIN 30670,EN 10288,UNI 9099,NFA 49710, AWWA C215 

POLYPROPYLENE COATING : DIN 30678, NFA 49711 

EPOXY COATING : EN 10289, AWWA C210, NFA 49709 

BITUMEN : DIN 30673, 

FUSION BONDED EPOXY : AWWA C213 

POLYURETHANE : EN 10290, AWWA C 222 

INTERNAL COATING STANDARDS (LINING) 

SURFACE PREPARATION : ISO 8501 – 1, ISO 8501 – 2, ISO 8501 – 3 

EPOXY LINING : EN 10289, AWWA C210, NFA 49709, API RP 5L2 

FUSION BONDED EPOXY : AWWA C213, API 5L7