UNS S35500 (Alloy 355, Alloy 634) Stainless Steel

Precipitation-Hardening Stainless Steels

Material conditionhardened (H)

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.8g/cm³

Elastic Modulus200GPa

Tensile Strength1330MPa

Yield Strength1200MPa

Brinell Hardness380HB

Maximum Service Temperature870°C

Weight Calculator

Chemical Composition

0.1 to 0.15%

15 to 16%

4.0 to 5.0%

2.5 to 3.2%

0.5 to 1.3%

0 to 0.5%

0.070 to 0.13%

0 to 0.040%

0 to 0.030%

0.1 to 0.5%

73.2 to 77.7%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

14 %

Fatigue Strength

690 MPa

Poisson's Ratio

0.28

Reduction in Area

28 %

Shear Modulus

78 GPa

Shear Strength

810 MPa

Tensile Strength: Ultimate (UTS)

1330 MPa

Tensile Strength: Yield (Proof)

1200 MPa

Hardness

Brinell Hardness

380

Rockwell C Hardness

Physical

Density

7.8 g/cm 3

Thermal

Latent Heat of Fusion

280 J/g

Maximum Temperature: Corrosion

440 °C

Maximum Temperature: Mechanical

870 °C

Melting Completion (Liquidus)

1460 °C

Melting Onset (Solidus)

1420 °C

Specific Heat Capacity

470 J/kg-K

Thermal Conductivity

16 W/m-K

Thermal Diffusivity

4.4 mm 2 /s

Thermal Expansion

11 µm/m-K

Thermal Shock Resistance

44 points

Electrical

Electrical Conductivity: Equal Volume

2.2 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.5 % IACS

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

180 MJ/m 3

Resilience: Unit (Modulus of Resilience)

3610 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

47 points

Strength to Weight: Bending

34 points

Environmental

Base Metal Price

16 % relative

Embodied Carbon

3.5 kg CO 2 /kg material

Embodied Energy

47 MJ/kg

Embodied Energy

47 MJ/kg 20 x 10 3 BTU/lb

Embodied Water

130 L/kg

Embodied Water

130 L/kg 16 gal/lb

Registered Designations & Aliases

Alloy 355Alloy 634S35500UNS S35500 (Alloy 355, Alloy 634) Stainless Steel

Standards

ASTM A564 ASTM A564: Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes

ASTM A693 ASTM A693: Standard Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip

ASTM A693 ASTM A693: Standard Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip ASTM A564: Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels Corrosion of Stainless Steels, A. John Sedriks, 1996

ASTM A959 ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels