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[ Cover Story ]
The Kansai Works Wakayama Area , upstream process ( steelmaking process ) in Amagasaki .
applications other than refineries , such as Steam Methane Reforming ( SMR ), a technology that mixes natural gas with super-high-temperature steam in the presence of a catalyst , causing a chemical reaction to produce carbon monoxide and hydrogen . 317AP ( UNS No . S31740 ) was developed specifically for use in distillation towers in oil refineries . The previously used material , 317L , often faced challenges with polythionic acid-stress corrosion cracking ( PTA-SCC ) in environments
High-quality material offerings
Common grades of seamless pipes & tubes Austenitic : 300s Series Duplex : S32205 , S32750 High Ni alloy : N08800 , N08810 , N08904 , N08028 , S31254 , N08020 , N08825 Ni-based alloy : N06600 , N06601 , N06625 , N06690 , N06022 , N10276 , N02200 , N02201
susceptible to naphthenic acid corrosion . To address this issue , 317AP was engineered to enhance PTA- SCC resistance while maintaining its corrosion resistance against naphthenic acid . This alloy has been successfully
“ We remain committed to leading the future of steel while maximising corporate value .” implemented in the United States and shows promise for use in renewable diesel and sustainable aviation fuel ( SAF ) plants , where similar organic acid corrosion occurs . Data on its performance in these new applications is currently being collected .
Invar alloy Invar alloy , known for its exceptionally low linear expansion coefficient , is designated for cryogenic applications , including liquefied hydrogen and
Nippon Steel developed seamless steel pipes & tubes Austenitic : 347AP , NEXAGE™ 317AP , NEXAGE™347AlPha , NEXAGE™ 317CU , HYDREXEL™ Duplex : DP3W , DP28W™ , YUS™2120 , YUS™2351 High Ni alloy : NEXAGE™ HR24 Ni-based alloy : NEXAGE™ 845 , NEXAGE™ 201 , NEXAGE™696
A forged pipe ( large diameter seamless steel pipe ) manufacturing line .
10 Stainless Steel World September 2024 www . stainless-steel-world . net