Hot New Products Astm S355jo Seamless Steel Pipe - Directly operated by spiral steel pipe manufacturers for construction sites – Weichuan
Hot New Products Astm S355jo Seamless Steel Pipe - Directly operated by spiral steel pipe manufacturers for construction sites – Weichuan Detail:
The common standards of spiral steel pipe are generally divided into: SY / t5037-2008 (ministerial standard, also known as spiral submerged arc welded steel pipe for ordinary fluid transmission pipeline), GB / t9711.1-2008 (national standard, also known as technical delivery conditions of transmission steel pipe for oil and gas industry, part I: class a steel pipe (GB / t9711.2 class B steel pipe with strict requirements)), api-5l (American Petroleum Association, also known as pipeline steel pipe); Including PSL1 and PSL2), SY / t5040-2008 (spiral welded steel pipe for pile).
SY / t5037-2008 is the standard set by the Ministry of petroleum, which is generally called the ministry standard.
GB / t9711.1-2008 national spiral pipe, transmission steel pipe for petroleum and natural gas industry, class A.
Spiral seam high-frequency welded steel pipe (sy5039-2000) for general low-pressure fluid transportation takes hot-rolled steel strip coil as pipe blank, often warm spiral forming, and uses high-frequency lap welding method to weld spiral seam high-frequency welded steel pipe for general low-pressure fluid transportation.
Spiral welded steel pipe for pile (sy5040-2000) is made of hot-rolled steel strip coil as pipe blank, often warm spiral forming, double-sided submerged arc welding or high-frequency welding. It is used for steel pipe for foundation pile of civil building structure, wharf, bridge and so on. For the transportation of pressurized fluid, spiral submerged arc welded steel pipe sy5036-2000 is used, which is mainly used for pipelines transporting oil and natural gas;
Spiral seam high-frequency welded steel pipe sy5038-2000 for pressure fluid transmission, which is welded by high-frequency lap welding method and used for pressure fluid transmission. The steel pipe has strong pressure bearing capacity and good plasticity, which is convenient for welding and processing;
For general low-pressure fluid transportation, spiral seam submerged arc welded steel pipe sy5037-2000 is used, and submerged arc welded steel pipe for general low-pressure fluid transportation such as water, gas, air and steam is made by double-sided automatic submerged arc welding or single-sided welding.
Material: Q235A, Q235B, 10#, 20#, Q345 (16Mn)
L245(B), L290 (X42), L320 (X46), L360 (X52), L390(X56), L415(X60), L450(X65), L485(X70), L555(X80)
L290NB/MB (X42N/M), L360NB/MB (X52N/M), L390NB/MB(X56N/M), L415NB/MB(X60N/M), L450MB(X65), L485MB(X70), L555MB(X80).
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By Amelia from Jordan - 2018.11.11 19:52
Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
By Olivia from Swiss - 2017.07.28 15:46
