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{"title":"Stainless Steel Seamless Pipe ASTM A312 TP304, Oil and Gas Usage","imgUrl":"https:\/\/img.chinax.com\/nimg\/d7\/6a\/ce7addeaf145b837804b99d07cf3-200x200-1\/stainless_steel_seamless_pipe_astm_a312_tp304_2c_oil_and_gas_usage.jpg","attrs":{"Place of Origin":"China","Brand Name":"YUHONG","Certification":"ABS, GL, DNV, NK, PED, AD2000, CCS, ISO 9001-2008","Minimum Order Quantity":"100KGS"}}
ASTM A312 TP316L Stainless Steel Seamless Pipe Pickled and Annealed for Oil & Gas, Petrochemical, and Refinery
ASTM A312 specification covers seamless, straightseam welded, and heavily cold worked welded austenitic stainless steel pipe intended for hightemperaure and general corrosive service. The development of this standard aims to ensure that the quality and performance of stainless steelpipelines meet expectations and meet the needs of different industries for stainless steel pipelines.
ASTM A312 TP316L is a stainless steel tube grade in the ASTM A312 standard, which specifies its chemical composition, mechanical properties, and other related requirements:
Chemical composition: The chemical composition of A312 TP316L mainly includes chromium (Cr) 16%~18%, nickel (Ni) 10%~14%, molybdenum (Mo) 2%~3%, and a small amount of carbon (C) with a content not exceeding 0.03% (some say not exceeding 0.035%). In addition, it also contains silicon (Si) ≤1.0%, manganese (Mn) ≤2.0%, phosphorus (P) ≤0.04% (some say ≤0.045%), sulfur (S) ≤0.030% and other elements.
Mechanical properties: A312 TP316L stainless steel seamless pipe adopts a low carbon content design strategy to significantly reduce the precipitation of chromium carbide during welding operations, thereby effectively avoiding the potential threat of intergranular corrosion and significantly enhancing the corrosion resistance of the material. It is particularly noteworthy that the corrosion resistance of this material is particularly outstanding in chloride media and high temperature environments. In addition, A312 TP316L also exhibits excellent mechanical properties and processing capabilities.
Welding performance: The production process of A312 TP316L stainless steel seamless pipes covers a series of core processes, including raw material preparation, melting casting, hot rolling or cold rolling, joining (welding), thermal processing, non-destructive testing and surface treatment. In this process, the welding operation adopts high-end automated welding processes, such as TIG welding (tungsten inert gas shielded arc welding) or MIG welding (metal inert gas shielded welding) to ensure that the welds meet high quality standards. The heat treatment step focuses on relieving the internal stress generated during the welding process, thereby improving the overall performance of the pipeline.
ASTM A312 TP316L Stainless Steel Seamless Pipe Chemical Composition
ASTM A312 TP316L Stainless Steel Seamless Pipe Application Areas
A312 TP316L stainless steel seamless pipe has become the material of choice in many fields due to its excellent corrosion resistance and strength characteristics at high temperatures:
Chemical industry: The pipe is used to transport corrosive fluids such as acidic, alkaline and saline solutions.
Oil and gas industry: It is regarded as a core pipeline component in oil and gas exploration, gathering, transportation and processing.
Pharmaceutical and food processing: Thanks to its non-toxic, odorless and easy-to-clean properties, A312 TP316L has become the preferred material for pharmaceutical facilities and food processing equipment.
Marine construction projects: Its excellent resistance to seawater erosion plays a pivotal role in marine engineering.
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
