Large Diameter 3PE Coated Anti Corrosion Water Steel Pipe
The company has advanced LSAW production line, with international mature JCOE production process adopted. The pipes produced according to API Spec 2B, API Spec 5L ,GB/T9711 and SY/T10002 standards, widely used for water, oil and gas transmission and various offshore steel structures.
Process:
LSAW (Longitudinal Submerge-arc Welded) UO(UOE),RB(RBE),JCO(JCOE)
DSAW (Double Submerged arc welded)
Steel Grade:
GB/T3091, SY/T5037, SY/T 5040,CJ/T 3022:Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 SPHC, M8
API 5L: A, B, X42, X46, X52, X56, X60, X65 X70
GB/T9711: L175, L210, L245, L290, L320, L360, L290, L320, L360, L390, L415, L450, L485, L555
ASTM A 53: Gr. A, Gr B, Gr C, Gr.D
BS:1387, EN10217:S185, S235,S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44, ST52
Size:
LSAW, DSAW:
Outer Diameter: 200mm-2200mm
Wall Thickness: 5.0mm-25.4mm
Length: MAX 12.5m
End:Plain ends (straight cut, saw cut, and torch cut). or beveled End.
Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Fusion Bond Epoxy, 3LPE)
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.
GOOD PERFORMANCE:
good thermal resistance, aging resistance, high bond strength, corrosion resistance, tear resistance, abrasion resistance,
electrical insulation, good mechanical properties, impact resistance and bending resistance.
Internal FBE Coating
DN (mm) |
FBE (μm) |
100~500 |
>350 |
550~750 |
>400 |
≥800 |
>450 |
External 3PE Coating
N.B
(mm) |
Epoxy powder coating
(μm) |
Adhesive(μm) |
Min wall thickness of anticorrosive coating
(mm) |
two layer |
three layer |
usual grade |
strengthen grade |
≤100 |
≥80 |
200-400 |
170-250 |
1.8 |
2.5 |
100 |
≥80 |
200-400 |
170-250 |
2.0 |
2.7 |
250 |
≥80 |
200-400 |
170-250 |
2.2 |
2.9 |
500 |
≥80 |
200-400 |
170-250 |
2.5 |
3.2 |
DN≥800 |
≥80 |
200-400 |
170-250 |
3.0 |
3.7 |