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{"title":"ASTM A789\u3001 A790 SUPER DUPLEX STEEL SEAMLESS TUBING S31803 , S32205 , S32750 ,","imgUrl":"https:\/\/img.chinax.com\/nimg\/aa\/88\/a4cb4ed74723b98ae1ab06a5bdd8-200x200-1\/astm_a789_e3_80_81_a790_super_duplex_steel_seamless_tubing_s31803_2c_s32205_2c_s32750_2c.jpg","attrs":{"Brand Name":"YUHONG Special Steel","Model Number":"Seamless tube , Welded tube","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001","Place of Origin":"China"}}
{"title":"ASTM A789 UNS S31803 Duplex Stainless Steel Seamless Tube For Chemical Process","imgUrl":"https:\/\/img.chinax.com\/nimg\/82\/89\/e882692356442817282eaef15150-200x200-1\/astm_a789_uns_s31803_duplex_stainless_steel_seamless_tube_for_chemical_process_plant.jpg","attrs":{"Brand Name":"Yuhong","Model Number":"ASTM A789 UNS S31803","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008","Place of Origin":"China"}}
{"title":"ASTM A789 UNS S32250 Duplex Stainless Steel Seamless Tube For Water Treatment","imgUrl":"https:\/\/img.chinax.com\/nimg\/4a\/a7\/4a75bac04dde97d9f80af4060a26-200x200-1\/astm_a789_uns_s32250_duplex_stainless_steel_seamless_tube_for_water_treatment.jpg","attrs":{"Brand Name":"YUHONG","Model Number":"ASTM A789 UNS S32205","Certification":"ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015","Place of Origin":"China"}}
ASTM A789 / ASTM A790 SUPER DUPLEX STEEL S31803, S32205, S32750, S32760, S31254 RAW MATERIAL YONGXING SPECIAL STEEL
CON TODO GUSTO PARA ATENDER CON LENGUA ESPAÑOLA SI TEINEN CUALQUIER INQUIERTUD
Duplex Stainless Steel have a structure that contains both ferrite and austenite. Duplex alloys have higher strength and better stress corrosion cracking resistance than most austenitic alloys and greater toughness than ferritic alloys, especially at low temperatures. The corrosion resistance of duplex alloys depends primarily on their composition, especially the amount of chromium, molybdenum, and nitrogen they contain.
Standard: ASTM/ASME A/SA789, A/SA790, A/SA928, DIN17456/17458, EN10216-5. After negotiation, we can supply pipe with customer's special requirement.
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...