EDRO UltraChem® #15 Precipitation Hardening Stainless Mold Steel

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EDRO UltraChem® #15 Precipitation Hardening Stainless Mold Steel
Categories:	Metal; Ferrous Metal; Stainless Steel; Precipitation Hardening Stainless
Material Notes:	Ultrachem® is a chromium-nickel precipitation-hardening stainless steel, a modified PH alloy grade, which is characterized by: exceptional corrosion resistance, uniform hardness in all dimensions, excellent compressive strength, simple low temperature heat treatment with small dimensional change, good weldability, and excellent toughness. Ultrachem® is normally supplied in a fully heat treated condition, age hardened to 38 or 42 HRC. Ultrachem® is recommended for use in longlife molds subjected to severe working conditions, including corrosive materials and atmospheres, high stressed and indentation experienced in fast cycling molding operations. It better resists corrosion from the more highly corrosive plastics than AISI 420 stainless steels Information provided by EDRO
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Physical Properties	Original Value	Comments

Density	0.280 lb/in³ @Temperature 399 °C	Age-hardened to 42 HRC
	0.282 lb/in³ @Temperature 199 °C	Age-hardened to 42 HRC
	0.284 lb/in³ @Temperature 20.0 °C	Age-hardened to 42 HRC

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	38 - 42
Tensile Strength, Ultimate	190000 psi @Temperature 20.0 °C	Age hardened at 42 HRC
Tensile Strength, Yield	175000 psi @Temperature 20.0 °C	Age hardened at 42 HRC
Elongation at Yield	14 %	in 2"
Reduction of Area	50 %
Modulus of Elasticity	25400 ksi @Temperature 399 °C
	27000 ksi @Temperature 199 °C
	28500 ksi @Temperature 20.0 °C
Charpy Impact	25.0 ft-lb @Temperature 20.0 °C	Age hardened at 42 HRC

Thermal Properties	Original Value	Comments
CTE, linear	6.00 µin/in-°F @Temperature 20.0 - 199 °C
	6.50 µin/in-°F @Temperature 20.0 - 399 °C
Specific Heat Capacity	0.110 BTU/lb-°F @Temperature 20.0 °C
Thermal Conductivity	112 BTU-in/hr-ft²-°F @Temperature 20.0 °C
	129 BTU-in/hr-ft²-°F @Temperature 199 °C
	149 BTU-in/hr-ft²-°F @Temperature 399 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.040 %
Chromium, Cr	14.75 %
Copper, Cu	3.2 %
Iron, Fe	76.68 %	As Balance
Manganese, Mn	0.50 %
Nickel, Ni	4.5 %
Niobium, Nb (Columbium, Cb)	0.25 %
Sulfur, S	0.080 %

Descriptive Properties
Color Code	White

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NSEDRO005 / 142942

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