UNS S21600 (XM-17) Stainless Steel

Austenitic & General Stainless Steels

Overview Chemical Composition Mechanical Properties Physical Properties Other Properties

Property Overview

Density7.7g/cm³

Elastic Modulus200GPa

Tensile Strength710MPa

Yield Strength390MPa

Brinell Hardness200HB

Maximum Service Temperature990°C

Weight Calculator

Chemical Composition

0 to 0.080%

17.5 to 22%

5.0 to 7.0%

2.0 to 3.0%

7.5 to 9.0%

0 to 0.75%

0.25 to 0.5%

0 to 0.045%

0 to 0.030%

57.6 to 67.8%

Mechanical

Elastic (Young's, Tensile) Modulus

200 GPa

Elongation at Break

46 %

Fatigue Strength

360 MPa

Poisson's Ratio

0.28

Reduction in Area

56 %

Shear Modulus

79 GPa

Shear Strength

500 MPa

Tensile Strength: Ultimate (UTS)

710 MPa

Tensile Strength: Yield (Proof)

390 MPa

Hardness

Brinell Hardness

200

Rockwell B Hardness

Physical

Density

7.7 g/cm 3

Thermal

Latent Heat of Fusion

290 J/g

Maximum Temperature: Corrosion

420 °C

Maximum Temperature: Mechanical

990 °C

Melting Completion (Liquidus)

1420 °C

Melting Onset (Solidus)

1380 °C

Specific Heat Capacity

480 J/kg-K

Thermal Expansion

17 µm/m-K

Thermal Shock Resistance

15 points

Calculated

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

270 MJ/m 3

Resilience: Unit (Modulus of Resilience)

370 kJ/m 3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

25 points

Strength to Weight: Bending

23 points

Environmental

Base Metal Price

17 % relative

Embodied Carbon

3.6 kg CO 2 /kg material

Embodied Energy

50 MJ/kg

Embodied Energy

50 MJ/kg 21 x 10 3 BTU/lb

Embodied Water

160 L/kg

Embodied Water

160 L/kg 20 gal/lb

Registered Designations & Aliases

S21600UNS S21600 (XM-17) Stainless SteelXM-17

Standards

ASTM A240 ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

ASTM A479 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

ASTM A479 ASTM A479: Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications ASTM A959: Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

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