| METALS | OPTIMAL QUANTITY | TOLERANCES (+/-) | ADVANTAGES & CONSIDERATIONS | FINISH & APPEARANCE | Common Grade Of Materials |
| Stainless Steel | 1-1000 | (+/-)0.002 | - High Strength
- High Corrosion Resistance
- High Weldability
| - Standard Machined Finish
- Tumbled
- Bead Blasted (Sand or Glass)
- Polished
- PVD(PLATING)
| SS303,SS303F,SS304,SS316,SS316L, SS440,SS420,SS430,SS440,SS630,17-4PH |
| Alloy Steel | 1-1000 | (+/-)0.002 | - High Strength
- High Machinability & Weldability
- Can Be Hardened
- Not Corrosion Resistant
| - Standard Machined Finish
- Tumbled
- Heat treatment
- powder coating
- Oxidation
| SAE1010, SAE1020, SAE1040, SAE1045, SAE4340, A366/CQ, A36, GR60, D-2, 12L14, 50C4V2 |
| Aluminum | 1-1000 | (+/-)0.002 | - High Strength, Low Weight, high strength-to-weight ratio
- High Machinability
- Low Cost
- easy formation
- good thermal and electrical conductivity
- a variety of surface treatment
| - Standard Machined Finish
- Brushed
- Bead blasting
- Anodizing
- powder costing
- Polished
- Plating(Chromium and nickel)
| AL1050, AL2024,A360, AL4643,AL5052, AL5083, AL6061, AL6063, AL6082, AL7075, AL7050 |
| Copper/Brass/Bronze | 1-1000 | (+/-)0.002 | - Corrosion & Chemical Resistant
- High Density & Strength
- high conductivity
| - Brushed
- Polishing
- Plating
| C11000, C10100, C1720, C21000, C27200, C3710, C51900, C51900,C5210, C6301 |
| | | | | | |
| PLASTICS | OPTIMAL QUANTITY | TOLERANCES (+/-) | ADVANTAGES & CONSIDERATIONS | FINISH & APPEARANCE | |
| HDPE | 1-100 | (+/-)0.005″ | - Medium Impact Strength
- Flexible (Shore D70)
- FDA Compliant
- No Water Absorption
| - FINISH & APPEARANCE
- Standard Machined Finish
- Burring
| |
| PC | 1-100 | (+/-)0.005″ | - Medium Tensile & High Impact Strength
- Maintains Properties Over Range of Temperatures
- High Optical Clarity (Clear)
| - Standard Machined Finish
- Vapor Polished
- Plating
- Painting
| |
| ABS | 1-100 | (+/-)0.005″ | - Medium Tensile & High Impact Strength
- Electrical Insulator
- High Machinability
- Low Cost
| - Standard Machined Finish
- Sanding(smooth)
- painting
- plating
| |
| PMMA(Acrylic) | 1-100 | (+/-)0.005″ | - High Tensile Strength
- Can Be Polished for High Optical Clarity
| - Standard Machined Finish
- Flame or Vapor Polished
- High polishing
- Painting
- Plating
| |
| Nylon 6/6 | 1-100 | (+/-)0.005″ | - High Tensile & Medium Impact Strength
- Maintains Properties Over Range of Temperatures
| - Standard Machined Finish
- Burring
| |
| POM(Acetal Delrin®) | 1-100 | (+/-)0.005″ | - Medium Tensile & Medium Impact Strength
- Holds Machining Tolerances Well
- Good Wear & Fatigue Resistance
| - Standard Machined Finish
- Burring
- Ultrasonic Cleaning
| |
| Polyetherimide(ULTEM®) | 1-1000 | (+/-)0.005″ | - High Tensile Strength and durability
- High Working Temperature Range (335°F)
- Electrical Insulator
- FDA compliant grades
| - Standard Machined Finish
- Burring
- Ultrasonic Cleaning
| |
| PEEK | 1-1000 | (+/-)0.005″ | - Strong and stiff
- Chemical resistant, hydrolysis resistant, autoclavable
- High Machinability
- inflaming retarding
- High Working Temperature Range (338°F)
| - Standard Machined Finish
- Burring
- Ultrasonic Cleaning
| |
| PTFE | 1-1000 | (+/-)0.005″ | - Outstanding chemical resistance
- Extremely low friction
- Good weathering resistance
- High Working Temperature Range (500°F)
| - Standard Machined Finish
- Burring
- Ultrasonic Cleaning
|
