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{"title":"Heat Exchanger tube, U bend Type , Stainless Steel Heat Exchanger Tube ASTM 213,","imgUrl":"https:\/\/img.chinax.com\/nimg\/c7\/41\/a8d3b163cbf61743fa5e1ccdd796-200x200-1\/heat_exchanger_tube_2c_u_bend_type_2c_stainless_steel_heat_exchanger_tube_astm_213_2c_asme_sa213_2c_astm_a789_2c_asme_sa789.jpg","attrs":{"Place of Origin":"China, Korea","Brand Name":"YUHONG","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Minimum Order Quantity":"100KGS"}}
{"title":"ASTM A861 GR.2 Titanium Alloy Seamless Pipe For Boiler Condenser Electric","imgUrl":"https:\/\/img.chinax.com\/nimg\/17\/1d\/72557b066113e01905b80450c734-200x200-1\/astm_a861_gr_2_titanium_alloy_seamless_pipe_for_boiler_condenser_electric_appliance.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"ASTM A861 Gr.2","Certification":"ISO,SGS,BV,ISO & SGS,ISO\/CE\/SGS","Place of Origin":"CHINA"}}
{"title":"ASME SB338 GR.7 \/ UNS R52400 Titanium Alloy Seamless Heat Exchanger Tube","imgUrl":"https:\/\/img.chinax.com\/nimg\/57\/cb\/013fcba50a7d7b427fbe8ef70a11-200x200-1\/asme_sb338_gr_7_2f_uns_r52400_titanium_alloy_seamless_heat_exchanger_tube.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"ASME SB338 Gr.7 Seamless Tube","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015","Place of Origin":"China"}}
We are one of the biggest manufactures of stainless steel & duplex steel & alloy steel tubes and pipes in China. With development more than 20 years, we have accumulated a great many clients all around the world and Yuhong products also won the great praise among the customers.
ASTM A213 TP347H Stainless Steel Seamless Tube Chemical Composition
The grade 347 is specific austenitic stainless steel made for repeated intermittent exposure to temperatures above 800 degrees Celsius. These are modifications of 304 stainless steel. They are similar to the 321 grade in some mechanical properties but different in that it has columbium in the composition. The material is corrosion resistant to most corrosive media in medium to high temperatures.
This is an important aspect required at chemical processing. The material has minimum yield strength of 205MPa and the minimum tensile strength at 515MPa. This allows the material to withstand high pressure at temperatures above 850 degrees Celsius. The pipes and components also have a good elongation and high hardness. The 304 material can undergo intergranular corrosion above temperatures 850 F. The 347H has a higher carbon content and heat resistant so that it can perform in this temperature range.
The combination of the pressure containment capacities, the strength, hardness, heat resistance and corrosion resistance make it applicable for chemical processing. These properties also make the material used in other high corrosive, high heat applications such as the boiler tubes and casings, radiant super heaters, heat exchanger tubes, oil and gas refineries and aircraft exhaust stacks.
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...
