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gb t 9711 l450 pipeline steel factory

gb t 9711 l450 pipeline steel factory

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Spiral welded steel pipe is made of the raw material of steel strip coil, formed to round shape by roll molding, automatic double submerged arc welding process to weld the seam, then the pipe will be tested by UT, HT and other inspection to guarantee the quality. Standard GB/T 9711 , SY/T 5037 , SY/T5040,API 5L . Steel Grade:ERW/HFW Steel Pipe Oil & Gas Line PipeType ERW (Electric Resistance Welded) Steel Pipe, HFI (High Frequency Induction) Steel Pipe, HFW (High-Frequency Welding) Steel Pipe 5. Standard API 5L(ISO 3183) PSL1/PSL2 GR.B-X80, GB/T 9711.1, GB/T 9711.2, ASTM A53 GR.A/GR.B, ASTM A500 GR.A/GR.B/GR.C/GR.D, ASTM A252 GR.1/GR.2/GR.3, EN10219/EN10210 S275/S355JRH/J0H/J2H, AS/NZS 1163GB T 9711 L450 factory-Kamy Toons STEELGB/T 9711.1 HSAW Steel Pipe Categories:spiral steel pipe Materials:The GB/T 9711.1 HSAW steel pipe is made of L175, L210,L245, L290, L320, L360, L390, L415, L450, L485 and L555 steel types. Technical specifications:The maximum outer diameter of the GB/T 9711.1 HSAW steel pipe product is 3048 mm. Learn more.

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Our advantage:
· 20 Years of experience in the Steel field
· 500,000 MT production capacity per year.
· 100+ exporting markets covering global main countries and regions.
· 2000+ MT stock per month with different materials and sizes.
· 150+ projects each year, covering oil tank, shipbuilding, oil&gas pipeline, drilling, offshore, energy, construction industries.

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