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UNS S15700 (PH 15-7 Mo, Alloy 632) Stainless Steel

Precipitation-Hardening Stainless Steels

annealed
OverviewChemical CompositionMechanical PropertiesPhysical PropertiesOther Properties

Property Overview

Density7.8g/cm³
Elastic Modulus200GPa
Tensile Strength1180MPa
Yield Strength500MPa
Brinell Hardness200HB
Maximum Service Temperature870°C
Weight Calculator

Chemical Composition

C
0 to 0.090%
CR
14 to 16%
NI
6.5 to 7.7%
MO
2.0 to 3.0%
MN
0 to 1.0%
SI
0 to 1.0%
P
0 to 0.040%
S
0 to 0.030%
AL
0.75 to 1.5%
FE
69.6 to 76.8%

Mechanical

Elastic (Young's, Tensile) Modulus
200 GPa
Elongation at Break
29 %
Fatigue Strength
370 MPa
Poisson's Ratio
0.28
Shear Modulus
77 GPa
Shear Strength
770 MPa
Tensile Strength: Ultimate (UTS)
1180 MPa
Tensile Strength: Yield (Proof)
500 MPa

Hardness

Brinell Hardness
200
Rockwell B Hardness
88

Physical

Density
7.8 g/cm 3

Thermal

Latent Heat of Fusion
290 J/g
Maximum Temperature: Corrosion
400 °C
Maximum Temperature: Mechanical
870 °C
Melting Completion (Liquidus)
1440 °C
Melting Onset (Solidus)
1400 °C
Specific Heat Capacity
480 J/kg-K
Thermal Conductivity
16 W/m-K
Thermal Diffusivity
4.2 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
39 points

Electrical

Electrical Conductivity: Equal Volume
2.3 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.6 % IACS

Calculated

PREN (Pitting Resistance)
23
Resilience: Ultimate (Unit Rupture Work)
270 MJ/m 3
Resilience: Unit (Modulus of Resilience)
640 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
42 points
Strength to Weight: Bending
32 points

Environmental

Base Metal Price
15 % relative
Embodied Carbon
3.4 kg CO 2 /kg material
Embodied Energy
47 MJ/kg
Embodied Energy
47 MJ/kg 20 x 10 3 BTU/lb
Embodied Water
140 L/kg
Embodied Water
140 L/kg 17 gal/lb
Registered Designations & Aliases
Alloy 632PH 15-7 MoS15700UNS S15700 (PH 15-7 Mo, Alloy 632) 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 Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016 Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012 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