Schmolz + Bickenbach Holder Block Plastic Mold Steel

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Schmolz + Bickenbach Holder Block Plastic Mold Steel
Categories:	Metal; Ferrous Metal; Tool Steel; Mold Steel
Material Notes:	Description: Holder Block is a modified AISI-4130 material with higher chromium and molybdenum content specifically designed holder steel for molds and dies and The material is forged on a 5000 ton press assuring maximum deformation during the forging process Characteristics: Good machinability Applications: Die holders and Frames for plastic molds Information provided by Schmolz + Bickenbach
Key Words:	AISI 4130
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Physical Properties	Original Value	Comments

Density	0.285 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	22 @Treatment Temp. 621 °C, Time 7200 sec
	30 @Treatment Temp. 593 °C, Time 7200 sec
	32 @Treatment Temp. 566 °C, Time 7200 sec
	37 @Treatment Temp. 538 °C, Time 7200 sec
	40 @Treatment Temp. 482 °C, Time 7200 sec
	43 @Treatment Temp. 427 °C, Time 7200 sec
	46 @Treatment Temp. 371 °C, Time 7200 sec
Tensile Strength	125 ksi @Temperature -5.56 °C	Heat Treated to 24-32 HRC
Tensile Strength, Yield	100 ksi @Temperature 22.0 °C	Heat Treated to 24-32 HRC
Elongation at Yield	17 % @Temperature 22.0 °C	Heat Treated to 24-32 HRC
Reduction of Area	35 % @Temperature 22.0 °C	Heat Treated to 24-32 HRC

Thermal Properties	Original Value	Comments
CTE, linear	7.00 µin/in-°F @Temperature 21.1 - 93.3 °C
	7.25 µin/in-°F @Temperature 21.1 - 316 °C
	7.50 µin/in-°F @Temperature 21.1 - 427 °C
Thermal Conductivity	202 BTU-in/hr-ft²-°F @Temperature 21.1 °C
	209 BTU-in/hr-ft²-°F @Temperature 204 °C
	216 BTU-in/hr-ft²-°F @Temperature 399 °C

Component Elements Properties	Original Value	Comments
Carbon, C	0.35 %
Chromium, Cr	1.25 %
Iron, Fe	97 %
Manganese, Mn	0.60 %
Molybdenum, Mo	0.30 %
Silicon, Si	0.50 %

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NSCHMO003 / 125876

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