ABOUT STURDELL
CUSTOM MOLD PLATES
· VALUE ADDED SERVICES
· MACHINES AND CAPACITIES
TOOL AND MOLD STEELS
· PLASTIC MOLD GRADES
· COLD WORK
ADVANCED MACHINING
VINYL TOOLING PLATES
JOB GALLERY
CONTACT US
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| Plastic Mold Grades
| SP300 (Improved P-20 type steel)Applications- Plastic Injection Molds, Rubber Molds, Compression Molds
- Cavities & Cores
- Die Blocks
- Applications where welding or maintenance is a concern
- Jobs where stock removal time is crucial
Benefits- Extended tool life
- Faster machining
- Very weldable in thin cross-sections
- 18% increased thermal conductive
420 ESR Stainless SteelApplications- Injection & Compression Molds where high polish is required
- Corrosive environments
- Applications where high hardness is required
- Vinyl Extrusion Dies, Calibrators & Tank Plates
420 Mod Pre-Hard Stainless Applications- Stainless Mold Bases
- Cores & Inserts where high polish is NOT required
- Vinyl Extrusion Dies, Calibrators & Tank Plates
- Molds subject to wet working or storage conditions
P-20 Extra (32-35Rc)Applications- Excellent Thru-hardness all the way to center
- Surface hardness will not drop at parting-line
- Good polishability
H-13 Premium (Meets or exceeds NADCA 207-90)Applications- Die Casting Dies
- Plastics Injection Molds
- Forging Dies
- Extrusion Tools
S-7 Mold QualityApplications- High Hardness Plastic Molds
- Zinc Die Casting Dies
- Shears, Punches, Blanking Dies & Chisels
H-13 Pre-Hard (34-37Rc)Applications- Plastics Molds
- Die Casting Dies
- Extrusion Tools
Note:This material is resulpherized and will not polish the same as Premium H-13
P-20 Cav PlusApplications- Injection Molds
- Cavities & Cores
- Mold Base Frames
4140 Mod HTApplications- Injection Molds
- Cavities & Cores - Cannot use where "high polish" is desired
- Mold Base Frames
- Bolster Plates
- Platens
- Table Tops
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