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253ma/uns30815 Stainless Steel

RA 253 MA® was developed over 30 years ago when the need for a heat resistant stainless steel with high strength, while maintaining good oxidation resistance was present in the industry.
Inventory
253 MA Pipe, 253 MA Plate, 253 MA Round Bar, 253 MA Sheet, 253 MA Weld Wire

  • 253 MA
  • RONSCO
  • nickel-008

253 MA is a lean austenitic heat resistant alloy with high strength and outstanding oxidation resistance. 253 MA maintains its heat resistant properties by advanced control of micro alloy additions. while maintaining good oxidation resistance was present in the industry. The lean 11% nickel content of RA 253 MA is a key contributor to being cost effective and stable. With the addition of rare earth elements, RA 253 MA still performs well at temperatures up to 2000°F (1093°C), similar to that of 310 stainless steel.


                                                           Chemistry Data
Carbon0.05-0.1
Cerium0.03-0.08
Cerium20-22
IronBalance
Manganese0.8max
Nickel10-12
Nitrogen0.14-0.2
Phosphorus0.04Max
Silicon1.4-2
Sulphur0.03max

Features

   Oxidation resistance to 2000°F (1093°C)

    Good resistance to sulfidation

    Superior strength at elevated temperatures

    Good resistance to high temperature abrasion

Applicaticon:

  1. Boiler Nozzles

  2. Corrugated Boxes

  3. Bar Baskets

  4. Radiant Tubes

  5. Petrochemical and refinery tube hangers

  6. Expansion bellow

ASTM  Specifications


PlateBarPipe SmlsPipe Welded
A240, A480, A167A276, A479A213, A312A312, A358, A409, A813, A814



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