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Stainless Steel Alloy 254 SMO Supplier | SS Alloy Manufacturers in Delhi, India

  • Home | ALLOY 254 SMO COMPOSITION

Stainless Steel Alloy254 SMO Composition Supplier, Stainless Steel Alloy254 SMO Composition Manufacturer, Stainless Steel Alloy254 SMO Composition Provider.

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Below is a comprehensive list of our alloys arranged by type. More detailed information can be found on each alloys specific page. All of our products are purchased to normal industry standards and come with material test reports (MTR) also known as material certifications.

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Stainless Steel 254 SMO(tm)

Related Metals:


Specifications:
  • VLX954(tm)
  • Alloy 254
  • ASTM A182 (F44)
  • ASTM A240
  • ASTM A249
  • ASTM A269
  • ASTM A312
  • ASTM A469
  • ASTM A813
  • ASTM A814
  • UNS S31254

Chemistry Data

  • Carbon
  • Chromium
  • Copper
  • Iron
  • Manganese
  • Molybdenum
  • Nickel
  • Nitrogen
  • Phosphorus
  • Silicon
  • Sulphur
  • 0.02 max
  • 19.5 - 20.5
  • 0.5 - 1
  • Balance
  • 1 max
  • 6 - 6.5
  • 17.5 - 18.5
  • 0.18 - 0.22
  • 0.03 max
  • 0.8 max
  • 0.01 max

General Information


Principal Design Features

This is a very high end austenitic stainless steel that combines impact toughness resistance to chloride stress corrosion cracking, pitting and crevice corrosion with strength nearly twice that of 300 series stainless steels. In some applications it has b

Applications

Petroleum production, saltwater handling, food processing and chemical processing equipment, pulp mill bleach systems, flue gas desulfurization scrubbers and tall oil distillation columns.

Machinability

An extremely high work hardening rate combined with a total lack of sulfur make 254-SMO very tough to machine. Sharp tools, positive feeds, overpowered machine tools, ample lubrication and slow speeds generally offer the best results.

Forming

Due to its high initial yield strength, this alloy will require greater force than used in other austenitic stainless steels.

Corrosion Resistance

254-SMO is highly resistant to pitting, crevice and stress corrosion cracking in a wide variety of environments when compared to other austenitic stainless steels.

Welding

Welding without filler material results in poor strength properties. Recommended filler metals include AWS A5.14 ERNiCrMo-3, and alloy 625. Electrodes should comply with AWS A5.11 ENiCrMo-12.

Welding

Welding without filler material results in poor strength properties. Recommended filler metals include AWS A5.14 ERNiCrMo-3, and alloy 625. Electrodes should comply with AWS A5.11 ENiCrMo-12.

Heat Treatment

While cold forming is recommended wherever feasible, forging, upsetting and other operations can be performed at 1800-2100 F. Temperatures above this range will cause scaling and a reduction in the workability of the material. Post-process annealing is re

Cold Working

Most common cold work methods are successful with this alloy. It should be understood however that the material will be more difficult to work than other austenitic stainless steels due its high work hardening rate. The resulting hardening will, however,

Annealing

2100-2200 F (1149-1204 C), followed by a water quench.


Aging

This alloy does not respond to heat treatment. Hardening can only be achieved through cold reduction.


Physical Data

  • Density (lb / cu. in.)
  • Specific Gravity
  • Specific Heat (Btu/lb/Deg F - [32-212 Deg F])
  • Modulus of Elasticity Tension
  • 0.287
  • 7.8
  • 0.119
  • 29

Mechanical Data

  • Form
  • Condition
  • Temper
  • Tensile Strength
  • Yield Strength
  • Sheet
  • Test Specimen Annealed
  • 70
  • 95
  • 45

  • Form
  • Condition
  • Temper
  • Tensile Strength
  • Yield Strength
  • Sheet
  • Annealed
  • 120
  • 90
  • 40

  • Form
  • Condition
  • Temper
  • Tensile Strength
  • Yield Strength
  • Sheet
  • Test Specimen Annealed
  • 200
  • 88
  • 35

  • Form
  • Condition
  • Temper
  • Tensile Strength
  • Yield Strength
  • Sheet
  • Test Specimen Annealed
  • 300
  • 86
  • 30

  • Form
  • Condition
  • Temper
  • Tensile Strength
  • Yield Strength
  • Sheet
  • Test Specimen Annealed
  • 400
  • 80
  • 26

  • Form
  • Condition
  • Temper
  • Tensile Strength
  • Yield Strength
  • Sheet
  • Test Specimen Annealed
  • 600
  • 74
  • 24

  • Form
  • Condition
  • Temper
  • Tensile Strength
  • Yield Strength
  • Sheet
  • Test Specimen Annealed
  • 750
  • 74
  • 23

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