Mechanical Requirements
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Grade(1) |
General Descpription of Material |
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Bolts, Screws and Studs |
Nuts |
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Full Size Bolts,
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Machine Test Specimens of
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Hardness
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Proof
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Hardness
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Yield (2)
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Tensile
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Yield (2)
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Tensile
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Elong-
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Min psi |
Min psi |
Min psi |
Min psi |
% Min. |
Min |
psi |
Min |
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| 302 | Stainless US | 30,000 | 75,000 | 30,000 | 75,000 | 20 | B75 | 75,000 | B75 |
| 303A | Austenitic Stainless Steel- Sol. Annealed |
30,000 | 75,000 | 30,000 | 75,000 | 20 | B75 | 75,000 | B75 |
| 304-A | Austenitic Stainless Steel- Sol. Annealed |
30,000 | 75,000 | 30,000 | 75,000 | 20 | B75 | 75,000 | B75 |
| 304 | Austenitic Stainless Steel- Cold Worked |
50,000 | 90,000 | 45,000 | 85,000 | 20 | B85 | 90,000 | B85 |
| 304-SH | Austenitic Stainless Steel- Strain Hardened |
See Note 6 |
See Note 6 |
See Note 6 |
See Note 6 |
15 | C25 | See Note 6 |
C20 |
| 305-A | Austenitic Stainless Steel- Sol. Annealed |
30,000 | 75,000 | 30,000 | 75,000 | 20 | B70 | 75,000 | B70 |
| 305 | Austenitic Stainless Steel- Cold Worked |
50,000 | 90,000 | 45,000 | 85,000 | 20 | B85 | 90,000 | B85 |
| 305-SH | Austenitic Stainless Steel- Strain Hardened |
See Note 6 |
See Note 6 |
See Note 6 |
See Note 6 |
15 | C25 | See Note 6 |
C20 |
| 316-A | Austenitic Stainless Steel- Sol. Annealed |
30,000 | 75,000 | 30,000 | 75,000 | 20 | B70 | 75,000 | B70 |
| 316 | Austenitic Stainless Steel- Cold Worked |
50,000 | 90,000 | 45,000 | 85,000 | 20 | B85 | 90,000 | B85 |
| 316-SH | Austenitic Stainless Steel- Strain Hardened |
See Note 6 |
See Note 6 |
See Note 6 |
See Note 6 |
15 | C25 | See Note 6 |
C20 |
| 384-A | Austenitic Stainless Steel- Sol. Annealed |
30,000 | 75,000 | 30,000 | 75,000 | 20 | B70 | 75,000 | B70 |
| 384 | Austenitic Stainless Steel- Cold Worked |
50,000 | 90,000 | 45,000 | 85,000 | 20 | B85 | 90,000 | B85 |
| 410-H | Martensitic Stainless Steel- Hardened and Tempered |
95,000 | 125,000 | 95,000 | 125,000 | 20 | C22 | 125,000 | C22 |
| 410-HT | Martensitic Stainless Steel- Hardened and Tempered |
135,000 | 180,000 | 135,000 | 180,000 | 12 | C36 | 180,000 | C36 |
| 416-H | Martensitic Stainless Steel- Hardened and Tempered |
95,000 | 125,000 | 95,000 | 125,000 | 20 | C22 | 125,000 | C22 |
| 416-HT | Martensitic Stainless Steel- Hardened and Tempered |
135,000 | 180,000 | 135,000 | 180,000 | 12 | C36 | 180,000 | C36 |
| 430 | Ferritic Stainless Steel |
40,000 | 70,000 | 40,000 | 70,000 | 20 | B75 | 70,000 | B75 |
| 464-HF | Naval Brass | 15,000 | 52,000 | 14,000 | 50,000 | 25 | B56 | 52,000 | B56 |
| 464 | Naval Brass | 27,000 | 60,000 | 25,000 | 57,000 | 25 | B65 | 60,000 | B65 |
| 462 | Naval Brass | 27,000 | 52,000 | 24,000 | 50,000 | 20 | B65 | 52,000 | B65 |
| 642 | Aluminum Bronze | 35,000 | 72,000 | 35,000 | 72,000 | 15 | B75 | 72,000 | B75 |
| 630 | Aluminum Bronze | 50,000 | 105,000 | 50,000 | 105,000 | 10 | B90 | 105,000 | B90 |
| 614 | Aluminum Bronze | 40,000 | 75,000 | 40,000 | 75,000 | 30 | B70 | 75,000 | B70 |
| 510 | Phosphor Bronze | 35,000 | 60,000 | 35,000 | 60,000 | 15 | B60 | 60,000 | B60 |
| 675 | Manganese Bronze | 22,000 | 55,000 | 22,000 | 55,000 | 20 | B60 | 55,000 | B60 |
| 655-HF | Silicon Bronze | 20,000 | 52,000 | 18,500 | 50,000 | 20 | B60 | 52,000 | B60 |
| 655 | Silicon Bronze | 38,000 | 70,000 | 36,000 | 68,000 | 15 | B75 | 70,000 | B75 |
| 651 | Silicon Bronze | 45,000 | 75,000 | 42,500 | 72,000 | 8 | B75 | 75,000 | B75 |
| 661 | Silicon Bronze | 38,000 | 70,000 | 38,000 | 70,000 | 15 | B75 | 70,000 | B75 |
| NICU- A-HF |
Nickel-Copper Alloy A |
25,000 | 70,000 | 25,000 | 70,000 | 20 | B70 | 70,000 | B70 |
| NICU-A | Nickel-Copper Alloy A |
40,000 | 80,000 | 40,000 | 80,000 | 20 | B80 | 80,000 | B80 |
| NICU-B | Nickel-Copper Alloy B |
40,000 | 80,000 | 40,000 | 80,000 | 20 | B80 | 80,000 | B80 |
| NICU-K(7) | Nickel-Copper Aluminum Alloy |
90,000 | 130,000 | 90,000 | 130,000 | 20 | C24 | 130,000 | C24 |
| 2024-T4 | Aluminum Alloy | 40,000 | 55,000 | 40,000 | 55,000 | 14 | B70 | 55,000 | B70 |
| 6061-T6 | Aluminum Alloy | 35,000 | 42,000 | 35,000 | 42,000 | 12 | B50 | 42,000 | B50 |
Product
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Bolts, Screws, Studs |
Nuts |
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Tested Full Size |
Machine Test Specimens, |
Proof
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Yield
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Tensile
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Yield
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Tensile
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in. |
min psi |
min psi |
min psi |
min psi |
psi |
| to 5/8 in. | 100,000 | 125,000 | 90,000 | 115,000 | 125,000 |
| over 5/8 to 1 in. | 70,000 | 105,000 | 65,000 | 100,000 | 105,000 |
| over 1 to 1-1/2 in. | 50,000 | 90,000 | 45,000 | 85,000 | 90,000 |
453 E. Dartmoor Drive
Crystal Lake, IL 60014
Phone 815-455-7177
Phone 800-323-6142
Fax 815-455-7205
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