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H950 Hardened S17600 Stainless Steel

H950 hardened S17600 stainless steel is S17600 stainless steel in the hardened (H) condition. It has the highest strength compared to the other variants of S17600 stainless steel.

The graph bars on the material properties cards below compare H950 hardened S17600 stainless steel to: wrought precipitation-hardening stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Brinell Hardness

410

Elastic (Young's, Tensile) Modulus

200 GPa 28 x 106 psi

Elongation at Break

9.1 %

Fatigue Strength

680 MPa 99 x 103 psi

Poisson's Ratio

0.28

Reduction in Area

28 %

Rockwell C Hardness

44

Shear Modulus

76 GPa 11 x 106 psi

Shear Strength

880 MPa 130 x 103 psi

Tensile Strength: Ultimate (UTS)

1490 MPa 220 x 103 psi

Tensile Strength: Yield (Proof)

1310 MPa 190 x 103 psi

Thermal Properties

Latent Heat of Fusion

290 J/g

Maximum Temperature: Corrosion

550 °C 1030 °F

Maximum Temperature: Mechanical

890 °C 1630 °F

Melting Completion (Liquidus)

1430 °C 2610 °F

Melting Onset (Solidus)

1390 °C 2530 °F

Specific Heat Capacity

480 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

15 W/m-K 8.9 BTU/h-ft-°F

Thermal Expansion

11 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

2.3 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.7 % IACS

Otherwise Unclassified Properties

Base Metal Price

13 % relative

Density

7.8 g/cm3 480 lb/ft3

Embodied Carbon

2.9 kg CO2/kg material

Embodied Energy

42 MJ/kg 18 x 103 BTU/lb

Embodied Water

130 L/kg 16 gal/lb

Common Calculations

PREN (Pitting Resistance)

17

Resilience: Ultimate (Unit Rupture Work)

130 MJ/m3

Resilience: Unit (Modulus of Resilience)

4390 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

54 points

Strength to Weight: Bending

37 points

Thermal Diffusivity

4.1 mm2/s

Thermal Shock Resistance

50 points

Alloy Composition

Iron (Fe)Fe 71.3 to 77.6
Chromium (Cr)Cr 16 to 17.5
Nickel (Ni)Ni 6.0 to 7.5
Titanium (Ti)Ti 0.4 to 1.2
Manganese (Mn)Mn 0 to 1.0
Silicon (Si)Si 0 to 1.0
Aluminum (Al)Al 0 to 0.4
Carbon (C)C 0 to 0.080
Phosphorus (P)P 0 to 0.040
Sulfur (S)S 0 to 0.030

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

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

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

Corrosion of Stainless Steels, A. John Sedriks, 1996

ASM Specialty Handbook: Stainless Steels, J. R. Davis (editor), 1994

Advances in Stainless Steels, Baldev Raj et al. (editors), 2010