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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%