API ERW Steel Pipe

Quality standard:

GB/T3091 Welded Steel Pipe for low pressure liquid delivery    

ASTM A53  API 5L

Steel Grade:

Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8
 S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33,St37, St44, ST52
ASTM A 53: Gr. A, Gr B, Gr C, Gr.D
API 5L: A, B, X42, X46, X52, X56, X60, X65  

Size range:

Outer Diameter: 6mm-610mm (1/16"-24")  
Wall Thickness: 0.3mm-22mm  
Length: 0.5mtr-20mtr  

coating and lining:

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         

Pipe End

Plain, beveled, threaded and coupled(Threading as per BS1387, ASTM A53)    

Pipe surface

Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil,Protective Coatings (Coal Tar Epoxy, Fusion Bond Epoxy, 3-layers PE)   

Packing

Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips, Plastic caps.    

 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 Test.   

Third party inspection

SGS, BV, Lloyds etc.  

Application Rang

Gas and heat, nuclear power, electric power, petroleum, chemical, pharmaceutical, space, military engineering, firefighting, metallurgical, ship building, urban construction, water heating and environmental protection etc

O.D.

W.T.

1/8"

10.3mm

0.6mm-1.0mm

1/2"

21.3mm

0.6mm-1.0mm

3/4"

26.7mm

1.0mm-3.0mm

1"

33.4mm

1.0mm-3.0mm

1 1/4"

42.2mm

1.0mm-3.2mm

1 1/2"

48.3mm

1.0mm-4.0mm

2"

60.3mm

1.5mm-4.0mm

3"

88.9mm

1.5mm-9.5mm

4"

114.3mm

2.0mm-14mm

5"

141.3mm

3mm-14mm

6"

168.3mm

3mm-15mm

8"

219.1mm

3.2mm-15mm