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Carpenter Custom 630 (17-Cr-4Ni) Precipitation Hardening Stainless Steel, Condition H 1075 (Heated 579°C)

Category Metal , Ferrous Metal , Stainless Steel , Precipitation Hardening Stainless , T S10000 Series Stainless Steel
Manufacturer Carpenter Technology Corporation (Cartech)
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Carpenter Custom 630 (17-Cr-4Ni) Precipitation Hardening Stainless Steel, Condition H 1075 (Heated 579°C).pdf
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Material Notes:
Data provided by Carpenter Technology Corporation.Custom 630 (17Cr-4Ni) is a martensitic precipitation/age-hardening stainless steel offering high strength and hardness along with excellent corrosion resistance. It has good fabricating characteristics and can be age hardened by a single-step, low temperature treatment. It has been used for a variety of applications including oil field valve parts, chemical process equipment, aircraft fittings, fasteners, pump shafts, nuclear reactor components, gears, paper mill equipment, missile fittings, and jet engine parts. Project 70® stainless Custom 630 is an improved machinability modification.
Physical Properties Metric English Comments
Density 7.81 g/cc
0.282 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 341
341
Hardness, Knoop 363
363
Estimated from Rockwell C
Hardness, Rockwell C 36
36
Hardness, Vickers 349
349
Estimated from Rockwell C
Tensile Strength, Ultimate 1131 MPa
164000 psi
Tensile Strength, Yield 1020 MPa

@Strain 0.200 %
148000 psi

@Strain 0.200 %
Elongation at Break 17 %
17 %
Reduction of Area 59 %
59 %
Modulus of Elasticity 197 GPa
28600 ksi
H900 Condition
Poissons Ratio 0.272
0.272
Shear Modulus 77.4 GPa
11200 ksi
Calculated
Charpy Impact 61.0 J
45.0 ft-lb
V-notch
Thermal Properties Metric English Comments
CTE, linear 11.3 µm/m-°C

@Temperature 21.0 - 93.0 °C
6.28 µin/in-°F

@Temperature 69.8 - 199 °F
11.9 µm/m-°C

@Temperature 21.0 - 316 °C
6.61 µin/in-°F

@Temperature 69.8 - 601 °F
12.2 µm/m-°C

@Temperature 21.0 - 427 °C
6.78 µin/in-°F

@Temperature 69.8 - 801 °F
Specific Heat Capacity 0.419 J/g-°C

@Temperature 0.000 - 100 °C
0.100 BTU/lb-°F

@Temperature 32.0 - 212 °F
condition H 900
Thermal Conductivity 17.9 W/m-K

@Temperature 149 °C
124 BTU-in/hr-ft²-°F

@Temperature 300 °F
condition H 900
22.6 W/m-K

@Temperature 482 °C
157 BTU-in/hr-ft²-°F

@Temperature 900 °F
condition H 900
Component Elements Properties Metric English Comments
Carbon, C <= 0.070 %
<= 0.070 %
Chromium, Cr 15 - 17.5 %
15 - 17.5 %
Copper, Cu 3.0 - 5.0 %
3.0 - 5.0 %
Iron, Fe 73 %
73 %
as remainder
Manganese, Mn <= 1.0 %
<= 1.0 %
Nb + Ta 0.15 - 0.45 %
0.15 - 0.45 %
Nickel, Ni 3.0 - 5.0 %
3.0 - 5.0 %
Niobium, Nb (Columbium, Cb) <= 0.45 %
<= 0.45 %
Phosphorous, P <= 0.040 %
<= 0.040 %
Silicon, Si <= 1.0 %
<= 1.0 %
Sulfur, S <= 0.030 %
<= 0.030 %
Tantalum, Ta <= 0.45 %
<= 0.45 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000770 ohm-cm
0.0000770 ohm-cm
for condition H 900
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