Material Applications/Comparisons

N116 W18515 Morse Dr.
Germantown, WI 53022
Phone: (262) 255-6662 or
1-800-272-3031
Fax: (262) 255-3655

credit-card.gif (2215 bytes)

Performance AlloysŽ

...World Wide Distributor of Beryllium-Free Copper Alloys...
Manufacturer of Standard & Custom Components

Site Updated Often! To ensure proper viewing please Refresh page &

MAKE SURE YOUR BROWSER IS SET TO UPDATE AT EACH VISIT

Material Application Recommendations &
Property Comparisons of Common Mold Materials

MoldStar^Ž150	Cu 96.4 Ni 2.5 Si 0.7 Cr 0.4	Very high thermal conductivity, resistance to corrosion and wear, moderate hardness	Mold cores, cavities, sprue bushings, hot runner systems, core pins, ejector pins, sleeves, blow pins
MoldStar^Ž90	Cu 90 Ni 7.5 Si 1.3 Cr 1.2	High thermal conductivity, High Hardness, resistance to corrosion and wear	Inserts, cores, cavities, hot runner systems, sleeves, core pins, any plastic forming inserts, blow pins, pinch points
MoldStar^Ž18	Cu 85.5 Al 10.5 Fe 3.5 Other 0.5 (max.)	Good bearing qualities, resistance to wear, abrasion, fatigue, deformation and corrosion	Slides, gibs, wear plates, mold locking devices, sleeve bearings, guide pin bushings, guide rails
MoldStar^Ž21	Cu 80.2 Al 12.8 Fe 4.5 Other 2.5 (max.)	Harder alloy with good bearing qualities, resistance to wear, abrasion, fatigue, deformation and corrosion	Lifter blades, slides, gibs, wear plates, ejector sleeves and bushings, guide pin and leader pin bushings
MoldStar^Ž22	Cu 78.7 Al 13.8 Fe 5.0 Other 2.5 (max.)	Harder alloy with good bearing qualities, resistance to wear, abrasion, fatigue, deformation and corrosion	Ejector sleeves, lifter blades, thin wall applications, ejector and core pins, guide pin and leader pin bushings, unscrewing mold components
MoldStar^Ž97	Cu 98.5 Cr 1.0 Other 0.5 (max.)	Extremely high thermal conductivity, resistance to corrosion and wear	Mold inserts, thermal pins, mold cavities, EDM electrodes

Material Specifications and Comparisons

Click here for more information on Hardness

	Thermal Conductivity at 68⁰ F Btu/(ft•hr•°F)	Thermal Diffusivity at 68⁰ F ft²/hr	Brinell Hardness 3,000 kg	Density lbs/cu.in.
MoldStarŽ 150	150	2.32	210 (94R/B)	.315
MoldStarŽ 90	90	1.76	292 (30R/C)	.320
MoldStarŽ 18	36	.97	192 (92R/B)	.269
MoldStarŽ 21	25	.62	286 (29R/C)	.260
MoldStarŽ 22	25	.62	308 (32R/C)	.255
MoldStarŽ 97	190	3.76	143 (77R/B)	.320
Aluminum QC7	80	2.44	167 (500kg)	.101
Beryllium Copper-0.5% (C17510)	125	2.32	157-210 (500kg)	.319
Beryllium Copper-2.0% (C17200)	60	1.16	300-380	.297
Tool Steel P20	20	0.39	265-345	.284
Tool Steel H13	17	0.31	350-530	.284
Stainless Steel	7	0.16	150-190	.284

	Tensile Strength ksi	Yield Strength ksi	Compressive Strength ksi	Coefficient of Expansion in/in/⁰ F x10⁶	Elongation % in 2"
MoldStarŽ 150	100	75	80	9.7	13
MoldStarŽ 90	136	126	108	9.5	5
MoldStarŽ 18	105	52	38	9.0	14
MoldStarŽ 21	110	60	61	9.0	1
MoldStarŽ 22	105	62	74	9.0	0.5
MoldStarŽ 97	72	65	57	9.5	16
Aluminum QC7	78	74	65	12.8	7
Beryllium Copper-0.5%	110	90	90	9.8	10
Beryllium Copper-2.0%	175	150	150	9.7	7
Tool Steel P20	150	125	125	7.1	20
Tool Steel H13	250	200	225	6.1	15
Stainless Steel	82	36	80	6.5	69

Click Here for HARDNESS CONVERSION TABLE

SITE INDEX

If you are unable to use this site index Click Here .

Disclaimer

While the information contained is deemed reliable, no warranties are expressed or implied. For specific information regarding an application please call 1-800-272-3031 or e-mail us at sales@moldstar.com

Material Application Recommendations & Property Comparisons of Common Mold Materials

Material Specifications and Comparisons

Material Application Recommendations &
Property Comparisons of Common Mold Materials