Material Specifications
Specifications for common materials and recommended die clearance.
STEEL
| description | hardness | shear Strength PSI | Shear Strength N/mM2 | material multiplier | Recommended Die Clearance In % Of Thickness |
| Low Carbon HR Steel | Rb 70 | 50,000 | 345 | 1.00 | 20% |
| Low Carbon C.R. Sheet | Rb | 40,000 | 276 | .80 | 25% |
| ASTM A-36 | BHN 119-159 | 58-80,000 | 1.20 | 20-25% | |
| 45-50 Carbon HR Sheet | BHN 200 | 80,000 | 552 | 1.60 | 25% |
| Spring Steel 1074, 1095 Hardened to Spring Temper | Rc 45-50 | 200,000 | 1,380 | 4.0 | 30% |
| COR-TEN Steel | BHN 120 | 55,000 | 379 | 1.1 | 20% |
ALUMINUM BASE ALLOY(S) AND TEMPERS(S)
| description | hardness |
shear Strength PSI |
Shear Strength N/mM2 |
material Multiplier |
Recommended Die Clearance In % Of Thickness |
| 1100-0 | BHN 23 | 9,000 | 62 | .18 | 15% |
| 1100-H14 | BHN 32 | 11,000 | 76 | .22 | 18% |
| 2024-0 | BHN 47 | 18,000 | 124 | .36 | 18% |
| 2024-T3 | BHN 120 | 41,000 | 283 | .82 | 20% |
| 3003-0 | BHN 28 | 11,000 | 76 | .76 | 15% |
| 3003-H14, H16 | BHN 40-47 | 15,000 | 103 | .30 | 18% |
| 3105-H25 | BHN 47 | 16,000 | 110 | .32 | 18% |
| 5005-H34 | BHN 41 | 14,000 | 97 | .28 | 18% |
| 5052-0 | BHN 47 | 18,000 | 124 | .36 | 18% |
| 5052-H32 | BHN 60 | 20,000 | 138 | .40 | 20% |
| 6061-0 | BHN 30 | 12,000 | 83 | .24 | 15% |
| 6061-T6 | BHN 95 | 30,000 | 207 | .60 | 20% |
| 7075-0 | BHN 60 | 22,000 | 152 | .44 | 20% |
| 7075-T6 | BHN 150 | 48,000 | 331 | .96 | 20% |
COPPER BASE ALLOYS & TEMPERS
| Description | Hardness |
Shear strength PSI |
Shear Strength N/MM2 |
Material Multiplier |
Recommended Die Clearance In % Of Thickness |
| 110 Electrolitic Copper | |||||
| -.050 mm GS | Rb 40 | 22,000 | 152 | .44 | 15% |
| – 1/2 Hard | Rb 40 | 26,000 | 179 | .52 | 20% |
| – Hard | Rb 50 | 28,000 | 193 | .56 | 25% |
| 220 Comm Bronze 90% | |||||
| – 1/2 Hard | Rb 55 | 35,000 | 241 | .70 | 15% |
| 230 Red Brass 85% | |||||
| – 1/4 Hard | Rb 55 | 35,000 | 241 | .70 | 15% |
| 260 Cartridge Brass | |||||
| – .035 nn Gs | Rb 68 | 34,000 | 234 | .68 | 15% |
| – 1/2 Hard | Rb 70 | 40,000 | 276 | .80 | 18% |
| – Spring | Rb 91 | 48,000 | 331 | .96 | 20% |
| 342 A High Lead – 1/2 Hard | Rb 70 | 40,000 | 276 | .80 | 18% |
| 675 Manganese Bronze | Rb 65 | 42,000 | 290 | .84 | 18% |
STAINLESS STEEL
| Description | Hardness | Shear Strength PSI | Shear Strength N/mM2 | Material Multiplier |
Recommended Die Clearance In % Of Thickness |
| 202 Annealed | Rb 95 | 90,000 | 620 |
1.8 Thickness (.024 – .048″) |
15% |
| 302, 303, 304 Annealed | Rb 85 | 75,000 | 517 |
1.5 Thickness (0.5-1.5mm) |
15% |
| 310 Annealed | Rb 90 | 90,000 | 620 |
1.8 Thickness (.060 – .120″) |
20% |
| 316, 321, 430 Annealed | Rb 90 | 75,000 | 517 |
1.5 Thickness (1.5 – 3.0mm) |
20% |
| 410 Annealed | Rb 85 | 75,000 | 517 |
1.5 Thickness (over .120″(3.0mm) |
30% |
Other
| Description | Hardness |
Shear Strength PSI |
Shear Strength N/mM2 |
Material Multiplier |
Recommended Die Clearance In % Of Thickness |
| Titanium – Unalloyed | Rb 23-29 | 50,000 | 345 | 1.20 | 25% |