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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
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S31254 254SMO Hot Rolled Alloys Stainless Steel Plates 1.5-3mm Thickness

S31254 254SMO Hot Rolled Alloys Stainless Steel Plates 1.5-3mm Thickness

Brand Name : TISCO ZPSS BAO STEEL
Model Number : 254smo S31254
Certification : ISO MTC SGS
Place of Origin : China
MOQ : 200KGS
Price : 15.8 USD/KG
Payment Terms : L/C, T/T
Supply Ability : 50000KGS
Delivery Time : 14 Days
Packaging Details : Wooden Pallet
Material : stainless steel 254SMO
Color : Customized
Size : Customized Size,as your request
Shape : flat
Thickness : 1.5-3 mm or Customized
Width : 1000-2500mm
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S31254 254SMO Hot Rolled Alloys Stainless Steel Plates 1.5-3mm Thickness

General Properties

Alloy 254 SMO is a very high end, molybdenum and nitrogen alloyed super austenitic stainless steel with low carbon content. It demonstrates outstanding resistance to pitting, crevice corrosion stress cracking, and corrosion fatigue uniform corrosion. Alloy 254 SMO is substantially stronger than the common austenitic grades, with strength nearly twice that of 300 series stainless steel. It is also characterized by high ductility and impact strength. With high levels of chromium, molybdenum, and nitrogen, Alloy 254 SMO is frequently used in high chloride environments, such as brackish water, seawater, pulp mill bleach plants, and other chloride process streams. In some applications it has even been found to be a more cost effective substitute for high nickel and titanium alloys.

Applications:

Due to its high levels of molybdenum and nickel, Alloy 254 SMO is frequently used in high chloride environments. Examples of applications that call for the used of Alloy 254 SMO include:

  • Petroleum production
  • Saltwater handling
  • Food and chemical processing equipment
  • Pulp mill bleach systems
  • Flue gas desulphurization scrubbers
  • Tall oil distillation columns
  • Offshore oil & gas production equipment
  • Desalination equipment

Standards:

  • ASTM/ASME: UNS S31254
  • EURONORM: FeMi35Cr20Cu4Mo2
  • DIN: 2.4660

Corrosion Resistance

  • Excellent resistance to pitting and crevice corrosion due to its high chromium, molybdenum, and nitrogen content
  • Has a very low carbon content, which means there is very little risk of carbide precipitation during heating
  • Possesses very good resistance in water containing chlorides, therefore, it is suitable for use in seawater as it can be exposed to it for prolonged periods without suffering from crevice corrosion

Weldability

  • Possesses good weldability
  • Should be done without pre-heating
  • If correctly performed, there will be no need for any subsequent heat treatment
  • Has low thermal conductivity and high thermal expansion so must minimize distortion of welded joint
  • Welding without filler metal results in poor strength properties

Machinability

  • High work hardening rate combined with a lack of sulfur makes it very difficult to machine
  • Slow speeds, sharp tools, positive feeds, over-powered machine tools, and ample lubrication offer the best results

Chemical Properties:

%CCrMnMoNNiPSiS
254 SMO0.02 maxmin: 19.5
max:20.0
1.00 maxmin: 6.0
max: 6.5
min: 0.18
max: 0.20
min: 17.5
max: 18.0
0.03 max0.80 max1.01 max

Mechanical Properties:

Grade

Tensile Strength ksi (MPa) min

Yield Strength 0.2%
Offset ksi (MPa) min
Elongation -
% in
50 mm (min.)
Hardness
(Brinell) MAX
Hardness
(Rockwell B) MAX
254 SMO Sheet & Strip100 (690)45 (310)3522396
254 SMO Plate95 (655)45 (310)3522396

Physical Properties:

Grade:

Alloy 254
Density8.0 kg/dm3
Modulus of Elasticity195 GPa
Linear Expansion
at 68to 212oF
(20 to 100oC)
16.5 X10-6/oC
Thermal Conductivity14 w/moC
Thermal Capacity500 J/kgoC
Electrical Resitivity0.85 μΩm


Product Tags:

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