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Acero inoxidable 253 MA

UNS S30815
ASTM A 240, A 276, A 312
A 358, A 409, A 473, A 479
A 480, A 813, A 814

Forms of 253 MA Available at Mega Mex

Lamina
Placa, Chapa, Plancha
Barra
Tubo
Soldadura: Tipo Electrodo, Barilla Desnuda y Soldadura de Alambre en Rollo

253 MA Stainless Overview

Stainless 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 microalloy additions. The use of rare earth metals in combination with silicon gives superior oxidation resistance up to 2000°F. Nitrogen, carbon and a dispersion of rare earth and alkali metal oxides combine to provide creep rupture strength comparable to the nickel base alloys. A wide variety of components requiring high strength at elevated temperatures such as heat exchangers, kilns, stack dampers and oven components are common applications for 253 MA.

Composición Química, %

Cr	Ni	C	Si	Mn
20.0-22.0	10.0-12.0	0.05-0.10	1.40-2.00	0.80 Max
P	S	N	Ce	Fe
0.040 Max	0.030 Max	0.14-0.20	0.03-0.08	Balance

Características de Acero Inoxidable 253 MA

Excellent oxidation resistance to 2000°F
High creep-rupture strength

¿En cuáles aplicaciones es usado acero inoxidable 253 MA?

Burners, Boiler Nozzles
Petrochemical and refinery tube hangers
Heat exchangers
Expansion bellow
Stack dampers

Propiedades Mecánicas
Room Temperature

	Specified Limits Minimum	Typical Range
Resistencia a la tensión, psi	87,000	90,000-114,000
.2% Desplazamiento, Resistencia a punto cedente, psi	45,000	45,000-69,000
Elongación en 2", %	40	42-70
Reducción de area, %	50	-
Dureza Rockwell B	-	Rb 90

Fabrication and Welding with Stainless 253 MA

Stainless steel 253 MA is readily fabricated by standard commercial procedures. In comparison to carbon steel, stainless steels are tougher and tend to work harden rapidly. However, with positive feeds and slow speeds combined with abundant cutting fluid this alloys tendency to work harden may be minimized.

Stainless 253 MA can be welded using conventional welding processes. Filler metal should be of similar composition for maximum weld integrity and properties.

Especificaciones ASTM

Placa	Barra	Tubo Sin Costura	Tubo con Costura
A240, A480, A167	A276, A479	A213, A312	A312, A358, A409, A813, A814

Stainless 253 MA Availability

Mega Mex supplies Stainless 253 MA in the form of plate, sheet, pipe, pipe fittings, welding wire, welding electrode.

You will find our prices highly competitive.

Acero inoxidable 253 MA

UNS S30815 ASTM A 240, A 276, A 312 A 358, A 409, A 473, A 479 A 480, A 813, A 814

Stainless 253 MA Availability

UNS S30815
ASTM A 240, A 276, A 312
A 358, A 409, A 473, A 479
A 480, A 813, A 814