Bohler-Uddeholm UDDEHOLM CORRAX® Precipitation Hardening Stainless Mold Steel

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Bohler-Uddeholm UDDEHOLM CORRAX® Precipitation Hardening Stainless Mold Steel
Categories:	Metal; Ferrous Metal; Stainless Steel; Precipitation Hardening Stainless; Tool Steel; Mold Steel
Material Notes:	A precipitation hardening stainless steel which offers excellent high corrosion resistance, excellent dimensional stability during hardening and good wear resistance. It can be used at its as-supplied hardness of 34-36 HRC, or a low-temperature aging treatment can increase the hardness up to 50 HRC. CORRAX® is characterized by: Extremely good dimensional stability during the aging process High uniformity of properties even in large dimensions Very good weldability; no pre-heating necessary No hard "white layer" after EDM Corrosion resistance superior to AISI 420 and AISI 440C Applications: Injection moulds for corrosive plastics, rubber and medical and food industry Extrusion dies Plastic processing - screws Engineering parts
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Physical Properties	Metric	English	Comments

Density	7.75 g/cc	0.280 lb/in³	hardened to 46 HRC

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	34	34	Solution treated (Delivery condition)
Tensile Strength, Ultimate	1100 MPa	160000 psi	Solution treated ~ 34 HRC
	1170 MPa	170000 psi	Aged to ~ 40 HRC
	1520 MPa	220000 psi	Aged to ~ 46 HRC
	1720 MPa	250000 psi	Aged to ~ 50 HRC
Tensile Strength, Yield	1590 MPa	230000 psi	Aged to ~ 50 HRC
	689 MPa @Strain 0.2 %	100000 psi @Strain 0.2 %	Solution treated ~ 34 HRC
	1030 MPa @Strain 0.2 %	150000 psi @Strain 0.2 %	Aged to ~ 40 HRC
	1380 MPa @Strain 0.2 %	200000 psi @Strain 0.2 %	Aged to ~ 46 HRC
Modulus of Elasticity	200 GPa	29000 ksi	(hardened to 46 HRC)
	172 GPa @Temperature 399 °C	25000 ksi @Temperature 750 °F	hardened to 46 HRC
	193 GPa @Temperature 199 °C	28000 ksi @Temperature 390 °F	hardened to 46 HRC
Compressive Yield Strength	900 MPa	131000 psi	0.2%, Solution treated ~ 34 HRC
	1300 MPa	189000 psi	0.2%, Aged to ~ 40 HRC
	1600 MPa	232000 psi	0.2%, Aged to ~ 46 HRC
	1800 MPa	261000 psi	0.2%, Aged to ~ 50 HRC
Impact Test	5.42 - 17.6 J	4.00 - 13.0 ft-lb	50 HRC
	20.3 - 40.7 J	15.0 - 30.0 ft-lb	34 HRC

Thermal Properties	Metric	English	Comments
CTE, linear	11.7 µm/m-°C @Temperature 199 °C	6.50 µin/in-°F @Temperature 390 °F	hardened to 46 HRC
	12.2 µm/m-°C @Temperature 399 °C	6.80 µin/in-°F @Temperature 750 °F	hardened to 46 HRC
Thermal Conductivity	18.0 W/m-K @Temperature 199 °C	125 BTU-in/hr-ft²-°F @Temperature 390 °F	hardened to 46 HRC
	21.0 W/m-K @Temperature 399 °C	146 BTU-in/hr-ft²-°F @Temperature 750 °F	hardened to 46 HRC
Shrinkage	0.070 - 0.25 % @Temperature 524 - 621 °C, Time 14400 sec	0.070 - 0.25 % @Temperature 975 - 1150 °F, Time 4.00 hour
	0.070 - 0.25 % @Temperature 524 - 621 °C, Time 14400 sec	0.070 - 0.25 % @Temperature 975 - 1150 °F, Time 4.00 hour	Transverse

Component Elements Properties	Metric	English	Comments
Aluminum, Al	1.6 %	1.6 %
Carbon, C	0.030 %	0.030 %
Chromium, Cr	12 %	12 %
Iron, Fe	75.17 %	75.17 %	as balance
Manganese, Mn	0.30 %	0.30 %
Molybdenum, Mo	1.4 %	1.4 %
Nickel, Ni	9.2 %	9.2 %
Silicon, Si	0.30 %	0.30 %

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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NBUCOR23 / 15492

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