SSAW steel pipe/ spiral steel tube is made of hot-rolled steel plates.
Generally price for SSAW steel pipe is lower than that of ERW steel pipe and LSAW steel pipe when it comes to the same steel grade and standard. SSAW steel pipe is usually used to transfer water, oil, or gas due to the big size.
Production Process: Spiral Submerged- Arc Welding
Specification & Details:
1 Outside Diameter: 219.1 mm - 2540mm (8"-100")
2 Wall Thickness: 6mm - 25.4mm Length: 6- 22 m
3 Standard: API 5L, API 5CT, GB/T9711.1, SY5037-2000
4 Steel Material: Q235A, Q235B, Q345, ASTM A53/106, API 5L GR.A/B, L245 L290 X42 X46 X70 X80, S355, S275 etc.
6 Surface Treatment:
External Coating:
| Type |
Standard |
| Single-Layer FBE Coating |
SY/T 0315-2005, CAN/CSA Z245.20-2010,
DEP 31.40.30.32-Gen-2011, ISO 21809-2-2007, API RP 5L9-2001 |
| Double-Layer FBE Coating |
Q/CNPC 38-2002, CAN/CSA Z245.20-2010 |
| 2LPE/2LPP Coating |
SY/T 0413-2002, GB/T 23257-2009, ISO 21809-1-2009 |
| 3LPE/3LPP Coating |
SY/T 0413-2002, GB/T 23257-2009, DIN 30670-1991, CAN/CSA Z245.21-2010,
ISO 21809-1-2009, NF A49-711-1992, NF A49-710-1988 |
| Insulation Coating |
SY/T 0415-1996, CJ/T 114-2000, EN 253-1994 |
Internal Coating
Single-Layer FBE Coating
Standard: API RP 5L2-2002, DEP 31.40.30.35-Gen-2005
Zinc Coating: Pre-galvanized steel pipe: 60-150g/m2
Hot-dipped galvanized steel pipe: 200-400gm2
7 Usage: Used for low pressure fluid delivery, such as water, gas, and oil; construction and piling, chemical industry, power plant, offshore platform etc.
8 Test: Chemical Component Analysis, Mechanical Properties (ultimate tensile strength, yield strength, percentage elongation), Technical Properties (flattening test, bending test, blow test, impact test, exterior size inspection, hydrostatic test, X-ray test)
9 Loading Port: mainly Tianjin port
10 Mill Test Certificate: as per standard
11 Payment Terms: TT, LC
12 Mini Order: 20tons for carbon steel, 30-50tons for low alloy steel
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