AISI Type 651 (19-9) Stainless Steel cold drawn and stress relieved


Subcategory: Ferrous Metal; Heat Resisting; Metal; Stainless Steel; T 600 Series Stainless Steel

Key Words: UNS K63198, AMS 5369, AMS 5526, AMS 5527, AMS 5720, AMS 5721, AMS 5722, ASTM A453, ASTM A457, ASTM 458, ASTM A477, SAE J467(19-9 DL), MIL SPEC MIL-S-46042

Component   Wt. %
C0.28 - 0.35 
Cr18 - 21 
CuMax 0.5 
Fe64 
Mn0.75 - 1.5 
Component   Wt. %
Mo1 - 1.75 
Nb0.25 - 0.6 
Ni8 - 11 
PMax 0.04 
Component   Wt. %
SMax 0.03 
Si0.3 - 0.8 
Ti0.1 - 0.35 
W1 - 1.75 

Material Notes:
Charpy V-Notch Impact properties and hardness

Physical PropertiesMetricEnglishComments
Density7.94 g/cc0.287 lb/in 

Mechanical Properties
Hardness, Brinell286286 
Hardness, Knoop319319 Converted from Brinell hardness.
Hardness, Rockwell C26.526.5 Converted from Brinell hardness.
Hardness, Vickers303303 Converted from Brinell hardness.
Modulus of Elasticity200 GPa29000 ksi Typical for stainless steel
Charpy Impact30 J22.1 ft-lb at 24C; 18 J at -195C, 26 J at -76C
Machinability45 %45 % Based on 100% machinability for AISI 1212 steel.

Thermal Properties
CTE, linear 20C15.3 m/m-C8.5 in/in-F at 21-93C (70-200F), 16.3 m/mC at 21-205C (70-400F)
CTE, linear 250C16.7 m/m-C9.28 in/in-F at 21-315C (70-600F), 17.3 m/mC at 21-425C (70-800F)
CTE, linear 500C17.6 m/m-C9.78 in/in-F at 21-540C (70-1000F), 18.0 m/mC at 21-815C (70-1500F)
Specific Heat Capacity0.42 J/g-C0.1 BTU/lb-F from 0-100C (32-212F)
Thermal Conductivity13.5 W/m-K93.7 BTU-in/hr-ft-F at 21C, 18.5 W/m-K at 425C, 21.3 W/m-K at 650C
Melting Point1420 - 1435 C2590 - 2620 F 
Solidus1420 C2590 F 
Liquidus1435 C2620 F 
Maximum Service Temperature, Air780 C1440 F Continuous Service
Maximum Service Temperature, Air955 C1750 F Intermittent Service

References for this datasheet.


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