Stainless Steel Grade 353MA (UNS S35315)

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Applications

Introduction

Stainless steel grade 353MA is an alloy with higher nickel content than the other steels. Max service temperature in air for this alloy is 1150°C (2102°F); however service below 950°C (1742°F) may cause reduced room temperature impact toughness.

The following datasheet provides an overview of stainless steel grade 353MA.

Chemical Composition

The chemical composition of stainless steel grade 353MA is outlined in the following table.

Element Content (%)
Iron, Fe 37.18
Nickel, Ni 35
Chromium, Cr 25
Cerium, Ce 1.3
Silicon, Si 1.3
Nitrogen, N 0.17
Carbon, C 0.050

Physical Properties

The physical properties of stainless steel grade 353MA are tabulated below.

Properties Metric Imperial
Density 7.90 g/cm3 0.285 lb/in3

Mechanical Properties

The mechanical properties of stainless steel grade 353MA are displayed in the following table.

Properties Metric Imperial
Tensile strength 720 MPa 104000 psi
Yield strength 360 MPa 52200 psi
Modulus of elasticity 190 GPa 27600 ksi
Elongation at break 50% 50%

Thermal Properties

The thermal properties of stainless steel grade 353MA are tabulated below.

Properties Metric Imperial
Thermal expansion co-efficient (@20-100°C/68-212°F) 16.6 µm/m°C 9.22 µin/in°F
Thermal conductivity 11.3 W/mK 78.4 BTU in/hr.ft².°F

Applications

Stainless steel grade 353MA is used in the following application areas:

  • Components requiring heat and creep resistance.
  • For use over 550°C for equipment and components in iron, steel, and non-ferrous industries, cement industry, engineering industry, and energy conservation plants.

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