Helical Steel Pipe

3 125

1.OD: 219.1mm - 3500mm
2.Wall Thickness: 4 mm - 25.4mm
3.Length: 6mtr-18mtr
4.Standard:API 5L, API 5CT, ASTM 53, EN10217

SSAW (Spiral Submerged-arc Welded,Helical Steel Pipe).

Helical Steel Pipe

 Size range:
Outer Diameter: 219.1mm - 3500mm

Wall Thickness: 4 mm - 25.4mm
Length: 6mtr-18mtr

 Quality standard:

Standard:API 5L, API 5CT, ASTM A252, ASTM 53, EN10217, EN10219, BS, JIS, IS

 Steel Grade:

API 5L: GR A, GR B, X42,X46, X56, X60,X65,X70
ASTM A252 GR 1, GR 2, GR 3
ASTM A53: GR A, GR B, GR C, GR D
BS 4360: Grade 43, Grade 50
EN: S275, S275JR, S355JRH, S355J2H

 Usage:

low pressure liquid delivery, such as water, oil, gas.

structural pipe, piling pipe

 Pipe End:

Plain end, beveled end, threaded and coupled

 Outside coating:

Anti-rust oil, black painting.

Epoxy Coating according to AWWA C-210

Bitumen Coating according to DIN30672, BS534

Coal- Tar Enamel Coating according to AWWA C-203

3 Layer polyethylene Coating according to DIN30670

3 Layer Polypropylene Coating according to DIN30678

 Inside lining:

Epoxy lining according to AWWA C-210
Bitumen Lining according to DIN30673, BS534
Coal-Tar Enamel Lining according to AWWA C-203
Cement Mortar Lining according to AWWA C-205, BS534

 Packing:

Plastic caps on both ends. Bundle with steel strips. Seaworthy packing or as customer’s request.

 Test:

Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray

Third party inspection: SGS, BV.

.

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Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. .

We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!