ASTM A325 Specification
ASTM A325 cover Specification for heavy Hex Bolts for for Structural Applications including Medium carbon, carbon boron, or medium carbon alloy steel grade Type 1 & Weathering steel Type 3.RELIABLE PIPES & TUBES LTD. provides additional coating as required.We Also Offer Customized thread Length for these Specification bolts.
Related Keywords for ASTM A325 Bolts: A325 Bolts,A325 bolt Torque,A325 Anchor Bolts,A325 Galvanized Bolts,A325 Structural Bolts Etc.
Grades
| Type 1 |
Medium carbon, carbon boron, or medium carbon alloy steel. |
| Type 3 |
Weathering steel. |
Material Chemical Composition
| Type 1 Bolts |
| Element |
Carbon Steel |
Carbon Boron Steel |
Alloy Steel |
Alloy Boron Steel |
| Carbon |
0.30 - 0.52% |
0.30 - 0.52% |
0.30 - 0.52% |
0.30 - 0.52% |
| Manganese, min |
0.60% |
0.60% |
0.60% |
0.60% |
| Phosphorus, max |
0.040% |
0.040% |
0.035% |
0.035% |
| Sulfur, max |
0.050% |
0.050% |
0.040% |
0.040% |
| Silicon |
0.15-0.30% |
0.15-0.30% |
0.15-0.35% |
0.15-0.35% |
| Boron |
|
0.0005 - 0.003% |
|
0.0005 - 0.003% |
Material Chemical Composition
| Type 3 Bolts, Class * |
| ELEMENT |
A |
B |
C |
D |
E |
F |
| Carbon |
0.33 - 0.40% |
0.38 - 0.48% |
0.15 - 0.25% |
0.15 - 0.25% |
0.20 - 0.25% |
0.20 - 0.25% |
| Manganese |
0.90 - 1.20% |
0.70 - 0.90% |
0.80 - 1.35% |
0.40 - 1.20% |
0.60 - 1.00% |
0.90 - 1.20% |
| Phosphorus, max |
0.035% max |
0.06 - 0.12% |
0.035% max |
0.035% max |
0.035% max |
0.035% max |
| Sulfur, max |
0.040% |
0.040% |
0.040% |
0.040% |
0.040% |
0.040% |
| Silicon |
0.15 - 0.35% |
0.30 - 0.50% |
0.15 - 0.35% |
0.25 - 0.50% |
0.15 - 0.35% |
0.15 - 0.35% |
| Copper |
0.25 - 0.45% |
0.20 - 0.4% |
0.20 - 0.5% |
0.30 - 0.50% |
0.30 - 0.60% |
0.20 - 0.40% |
| Nickel |
0.25 - 0.45% |
0.50 - 0.80% |
0.25 - 0.50% |
0.50 - 0.80% |
0.30 - 0.60% |
0.20 - 0.40% |
| Chromium |
0.45 - 0.65% |
0.50 - 0.75% |
0.30 - 0.50% |
0.50 - 1.00% |
0.60 - 0.90% |
0.45 - 0.65% |
| Vanadium |
|
|
0.020% min |
|
|
|
| Molybdenum |
|
0.06% max |
|
0.10% max |
|
|
| Titanium |
|
|
|
0.05% max |
|
|
Recommended Nuts & Washer
| Nuts |
Washers |
| Type 1 |
Type 3 |
Type 1 |
Type 3 |
| Plain |
Galvanized |
Plain |
F436-1 |
F436-3 |
| A563C, C3, D, DH, DH3 |
A563DH |
A563C3, DH3 |
