AISI Type S13800 Stainless Steel (PH 13-8 Mo) longitudinal properties, condition H950

Subcategory: Ferrous Metal; Metal; Precipitation Hardening Stainless; Stainless Steel; T S10000 Series Stainless Steel

Key Words: UNS S13800, 13-8Mo, 13-8PH, 13-8 PH, 13/8 Mo, 13/8Mo, 13/8PH, 13/8 PH, AMS 5629, AMS 5840, ASME SA705 (XM-13), ASTM A564 (XM-13), ASTM A693 (XM-13), ASTM A705 (XM-13); PH 13-8 Mo; Precipitation Hardening

Component   Wt. %
Al0.9 - 1.35 
CMax 0.05 
Cr12.25 - 13.25 
Component   Wt. %
MnMax 0.1 
Mo2 - 2.5 
N Max 0.01 
Ni7.5 - 8.5 
Component   Wt. %
PMax 0.01 
SMax 0.008 
SiMax 0.1 

Material Notes:
Center or intermediate test location.

Martensitic, precipitation hardening (maraging) stainless steel.

Physical PropertiesMetricEnglishComments
Density7.8 g/cc0.282 lb/in 

Mechanical Properties
Tensile Strength, Ultimate1550 MPa225000 psi 
Tensile Strength, Yield1450 MPa210000 psi at 0.2% offset
Elongation at Break12 %12 % in 50 mm
Modulus of Elasticity197 GPa28600 ksi 
Charpy Impact45 J33.2 ft-lb 45 J at room temperature, 31 J at 0C, 18 J at -54C, 11 J at 73C, 7 J at -115C, 5 J at -140C, 5 J at -195C
Machinability35 - 40 %35 - 40 % 35-40% average, Based on 100% machinability for AISI 1212 steel.

Electrical Properties
Electrical Resistivity0.0001 ohm-cm0.0001 ohm-cm at 25C, 0.0001 at 100C, 0.0001 at 200C, 0.00011 at 315C, 0.00011 at 425C, 0.00011 at 540C, 0.00011 at 595C, in Condtion A.

Thermal Properties
CTE, linear 20C10.6 m/m-C5.89 in/in-F at 21-95C, 10.8 at 21-205C
CTE, linear 250C11.2 m/m-C6.22 in/in-F at 21-315C, 11.3 at 21-425C
CTE, linear 500C11.9 m/m-C6.61 in/in-F at 21-540C
Specific Heat Capacity0.46 J/g-C0.11 BTU/lb-F from 0-100C (32-212F)
Thermal Conductivity14 W/m-K97.2 BTU-in/hr-ft-F at 100C, 15.7 at 200C, 17.8 at 315C, 20.4 at 425C, 22.3 at 540C, 22.5 at 595C; in Condition A.
Melting Point1405 - 1440 C2560 - 2620 F 
Solidus1405 C2560 F 
Liquidus1440 C2620 F 

References for this datasheet.

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