Astm A325 Type3 Bolts Specification
Astm A325 Type3 Bolts Properties
| Chemical Properties | |||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Ni | Cu |
| 0.31-0.42 | 0.86-1.24 | 0.045 Max | 0.055 Max | 0.13-0.37 | 0.42-0.68 | 0.22-0.48 | 0.22-0.48 |
| Tensile Requirement For Full Size Bolts | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Bolt Size, Threads per inch and Series Designation | |||||||||
| 1/2-13 UNC | 5/8-11 UNC | 3/4-10 UNC | 7/8-9 UNC | 1-8 UNC | 1 1/8-7 UNC | 1 1/8-8 UNC | |||
| Tensile Strength, min | 17050 | 27100 | 40100 | 55450 | 72700 | 80100 | 82950 | ||
| Proof Load, Length Measurement Metthod | 12050 | 19200 | 28400 | 39250 | 51500 | 56450 | 58450 | ||
| Alternative Proof Load, Yield Strength Method, min | 13050 | 20800 | 30700 | 42500 | 55750 | 61800 | 64000 | ||
| 1 1/4-7 UNC | 1 1/4-8 UN | 1 3/8-6 UNC | 1 3/8-8 UN | 1 1/2-6 UNC | 1 1/2-8 UN | ||||
| Tensile Strength, min | 101700 | 105000 | 121300 | 129500 | 147500 | 156700 | |||
| Proof Load, Length Measurement Metthod | 71700 | 74000 | 85450 | 91250 | 104000 | 110400 | |||
| Alternative Proof Load, Yield Strength Method, min | 78500 | 81000 | 93550 | 99870 | 113800 | 120850 | |||
| Hardness | ||
|---|---|---|
| Bolt Size, in | BHN | HRC |
| 1/2 to 1, incl | 253-319 | 25-34 |
| 1 1/8 to 1 1/2, incl | 223-286 | 19-30 |
| Heat Treatment | |||
|---|---|---|---|
| Quenched & tempered | |||
| Equivalent Designation | ||
|---|---|---|
| UNS | ||
| EN number | ||
| EN Name | ||
| W.Nr. | ||
| SS | ||
| AFNOR | ||