Carpenter Custom 630 (17-Cr-4Ni) Precipitation Hardening Stainless Steel, Condition H 900 (Age-Hardened 482°C/1hr/AC)

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Carpenter Custom 630 (17-Cr-4Ni) Precipitation Hardening Stainless Steel, Condition H 900 (Age-Hardened 482°C/1hr/AC)
Categories:	Metal; Ferrous Metal; Stainless Steel; Precipitation Hardening Stainless; T S10000 Series Stainless Steel
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.
Key Words:	AISI 630; UNS S17400; 17-4PH, 17/4PH, 17-4 PH, Precipitation Hardening PH Stainless Steel, 17-4
Vendors:	Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	420	420
Hardness, Knoop	450	450	Estimated from Rockwell C
Hardness, Rockwell C	44	44
Hardness, Vickers	430	430	Estimated from Rockwell C
Tensile Strength, Ultimate	1365 MPa	198000 psi
	793 MPa @Temperature 538 °C	115000 psi @Temperature 1000 °F
	952 MPa @Temperature 482 °C	138000 psi @Temperature 900 °F
	1103 MPa @Temperature 427 °C	160000 psi @Temperature 801 °F
	1186 MPa @Temperature 316 °C	172000 psi @Temperature 601 °F
Tensile Strength, Yield	1262 MPa @Strain 0.2 %	183000 psi @Strain 0.2 %
	643 MPa @Strain 0.2 %, Temperature 538 °C	93300 psi @Strain 0.2 %, Temperature 1000 °F
	814 MPa @Strain 0.2 %, Temperature 482 °C	118000 psi @Strain 0.2 %, Temperature 900 °F
	910 MPa @Strain 0.2 %, Temperature 427 °C	132000 psi @Strain 0.2 %, Temperature 801 °F
	1000 MPa @Strain 0.2 %, Temperature 316 °C	145000 psi @Strain 0.2 %, Temperature 601 °F
Elongation at Break	15 %	15 %	In 50 mm
	13 % @Temperature 427 °C	13 % @Temperature 801 °F	In 50 mm
	13 % @Temperature 316 °C	13 % @Temperature 601 °F	In 50 mm
	13 % @Temperature 482 °C	13 % @Temperature 900 °F	In 50 mm
	17 % @Temperature 538 °C	17 % @Temperature 1000 °F
Reduction of Area	52 %	52 %
	46 % @Temperature 316 °C	46 % @Temperature 601 °F
	51 % @Temperature 427 °C	51 % @Temperature 801 °F
	52 % @Temperature 538 °C	52 % @Temperature 1000 °F
	55 % @Temperature 482 °C	55 % @Temperature 900 °F
Modulus of Elasticity	197 GPa	28600 ksi
Poissons Ratio	0.272	0.272
Shear Modulus	77.4 GPa	11200 ksi	Calculated
Charpy Impact	21.0 J	15.5 ft-lb	V-notch

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000770 ohm-cm	0.0000770 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	10.8 µm/m-°C @Temperature 21.0 - 93.0 °C	6.00 µin/in-°F @Temperature 69.8 - 199 °F
	11.3 µm/m-°C @Temperature 21.0 - 316 °C	6.28 µin/in-°F @Temperature 69.8 - 601 °F
	11.7 µm/m-°C @Temperature 21.0 - 427 °C	6.50 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 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.030 %	<= 0.030 %
Tantalum, Ta	<= 0.45 %	<= 0.45 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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NCARH5 / 15772

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