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254SMO PREMIUM ALLOY SEAMLESS PIPE A312 UNS S31254 DUPLEX STEEL

254SMO PREMIUM ALLOY SEAMLESS PIPE A312 UNS S31254 DUPLEX STEEL

254SMO PREMIUM ALLOY SEAMLESS PIPE A312 UNS S31254 DUPLEX STEEL
254SMO PREMIUM ALLOY SEAMLESS PIPE A312 UNS S31254 DUPLEX STEEL
Categories Duplex Stainless Steel Pipe
Brand Name: YUHONG
Model Number: UNS31254 /254SMO
Certification: ABS, BV, ISO, ASTM, SGS
Place of Origin: CHINA
MOQ: 1 TON
Price: Negotiable
Payment Terms: L/C AT SIGHT, T/T
Supply Ability: 100 tons per month
Delivery Time: Depends on quantity
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Material: 254 SMo,1.4547, UNS 31254 ,1.4529, Z1 CNDU 20.18.06AZ
Testing: Eddy Current Test , Hydrostatic Test , UT , PT
Specification: ASTM A269, A213, A312, NFA 49-217, EN 10216-5
Appilcation: Chemical Industry , Heat Exchanger, Boiler, Offshore, Platform ,Subsea
Norsok: Norsok MDS R11/R18, IOGP S-563 MDS IR111/111S/IR118/IR118S
Standard: ASTM,ASME,AISI
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Yuhong Group Co.,Ltd
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254SMO PREMIUM ALLOY SEAMLESS PIPE A312 UNS S31254 DUPLEX STEEL

254SMO PREMIUM ALLOY SEAMLESS PIPE A312 UNS S31254 DUPLEX STEEL


Overview


254SMo stainless steel has excellent acid, alkali, seawater, and chloride corrosion resistance, especially in high chloride and acidic environments. Its corrosion resistance is even more outstanding.
High strength and toughness: Due to its high molybdenum, nitrogen, chromium, and low-carbon chemical composition, 254SMo stainless steel has good resistance to stress corrosion cracking, durability, and toughness, and can also work at high temperatures and pressures.
Good wear resistance and corrosion cracking resistance: Due to its special chemical composition, 254SMo stainless steel has good wear resistance and corrosion cracking resistance, and can maintain high performance in harsh working environments.
Large size seamless steel pipe: Compared with other steels, 254SMo stainless steel has certain processing properties, can produce large size seamless steel pipes, and has excellent spanwise welding performance.

254 SMO Properties:

  • Excellent resistance to pitting and crevice corrosion, PRE = ≥42.5%
  • High resistance to general corrosion
  • High resistance to stress corrosion cracking
  • Higher strength than conventional austenitic stainless steels
  • Good weldability

Heat Treatment


The tubes are delivered in heat treated condition. If additional heat treatment is needed due to further processing the following is recommended.Solution annealing 1150–1200°C (2100–2190°F), quenching in water. Thin-walled tubes min. 1130°C (2060°F), quenching in air/water.


254SMO Equivalent Grades


STANDARDUNSWERKSTOFF NR.AFNORSISEN
254SMOS312541.4547Z1 CNDU 20.18.06Az2378X1CrNiMoCuN20-18-7

254SMO Mechanical Properties

Wall thicknessProof strengthTensile strengthElong.Hardness
mmRp0.2a)Rp1.0a)RmAb)A2"HRB
MPaMPaMPa%%

<5≥310≥340675-850≥35≥35≤96
>5≥310≥340655-850≥35≥35≤96

254SMO Chemical composition


C

Si

Mn

P

S

Cr

Ni

Mo

N

Cu

≤0.020≤0.80≤1.00≤0.030≤0.01020186.10.200.7

254 SMO Applications:

  • Ocean: Marine structures in the marine environment, desalination, aquaculture, seawater heat exchange
  • Environmental protection fields: flue gas desulfurization devices for thermal power generation, wastewater treatment
  • Energy fields: atomic power generation, comprehensive utilization of coal, ocean tide power generation, etc.
  • Petrochemical industry: oil refining, chemical equipment and other food industries: salt making, soy sauce brewing, etc.
  • High concentration chloride ion environment: papermaking industry, various bleaching devices

Product Tags:

uns s31254 duplex stainless steel pipe

  

offshore duplex stainless steel pipe

  

254smo duplex pipe

  
Quality 254SMO PREMIUM ALLOY SEAMLESS PIPE A312 UNS S31254 DUPLEX STEEL wholesale

254SMO PREMIUM ALLOY SEAMLESS PIPE A312 UNS S31254 DUPLEX STEEL

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