Active Member
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[China]
Address: #888 xingrong road, jiading district, Shanghai
Contact name:Frank
Shanghai Powermax Fastener Co., Ltd. |
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A563 Nut Black Finish Partial Thread UNC A325 Heavy Hex Bolts
Matched A-325 heavy hex nuts are always included. Head markings for an A-325 bolt is a stamped 'A325' somewhere on the head. See common head markings for hex bolt grade differences.
Designed for use in structural joints, these bolts are made from 1045 steel and meet ASTM A-325 specifications. Hot dipped galvanized finish available. Stocked in diameters from 1/2" and lengths to 30".
SIZE: 1/4" - 1.1//2", M6 -M36. And 600mm Max length.
STANDARD: ASME B18.2.6
THREAD: ASME B1.1 , UNC, UNF, CLASS 2A
FINISHED: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Dacromet, H.D.G.
| A325 Types | |
| TYPE 1 | Medium carbon, carbon boron, or medium carbon alloy steel. |
| TYPE 2 | Withdrawn November 1991. |
| TYPE 3 | Weathering steel. |
| T | Fully threaded A325. (Restricted to 4 times the diameter in length) |
| M | Metric A325. |
| A325 Mechanical Properties | ||||
| Size | Tensile, ksi | Yield, ksi | Elong. %, min | RA %, min |
| 1/2-1" | 120 min | 92 min | 14 | 35 |
| 1.1/8"-1.1/2" | 105 min | 81 min | 14 | 35 |
| A325 Type 1 Chemical Properties | ||
| Heat Analysis | 120ksi, % | 150ksi, % |
| Carbon | 0.30 – 0.52 | 0.30 – 0.48* |
| Manganese | 0.60 min | 0.60 min |
| Phosphorus | 0.035 max | 0.035 max |
| Sulfur | 0.040 max | 0.040 max |
| Silicon | 0.15 – 0.30 | - |
| Boron | 0.003 max | 0.003 max |
| Copper | - | - |
| Nickel | - | - |
| Chromium | - | - |
| Molybdenum | - | - |
| A325 Type 3 Chemical Properties | ||||
| Heat Analysis | 120ksi, % Comp A | 120ksi, % Comp B | 120ksi, % Index | 150ksi, % Index |
| Carbon | 0.33 – 0.40 | 0.38 – 0.48 | 0.30 – 0.52 | 0.30 – 0.53 |
| Manganese | 0.90 – 1.20 | 0.70 – 0.90 | 0.60 min | 0.60 min |
| Phosphorus | 0.035 max | 0.035 max | 0.035 max | 0.035 max |
| Sulfur | 0.040 max | 0.040 max | 0.040 max | 0.040 max |
| Silicon | 0.15 – 0.30 | 0.30 – 0.50 | ||
| Copper | 0.25 – 0.45 | 0.20 – 0.40 | 0.20 – 0.60 | 0.20 – 0.60 |
| Nickel | 0.25 – 0.45 | 0.50 – 0.80 | 0.20 min | 0.20 min |
| Chromium | 0.45 – 0.65 | 0.50 – 0.80 | 0.20 min | 0.20 min |
| Molybdenum | 0.06 max | 0.10 min | 0.10 min | |
| A325 RECOMMENDED HARDWARE | |||
| Type | Finish | Nut | Washer |
| Type 1 | plain | A563 Grade C, C3, D, DH, DH3 | F436 Type 1 |
| galvanized | A563 Grade DH | F436 Type 1 | |
| Type 3 | plain | A563 Grade C3, DH3 | F436 Type 3 |
