Astm A449 Type 2 Bolts Specification
Astm A449 Type 2 Bolts Properties
| Chemical Properties | ||||
|---|---|---|---|---|
| C | Mn | P | S | B |
| 0.13-0.41 | 0.67 Min | 0.048 Max | 0.058 Max | 0.0005 Max |
| Tensile Requirement For Coarse-Thread Full Size Bolts And Studs | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bolt or Stud Diameter, in. | ||||||||||||
| 01-Apr | May-16 | 03-Aug | Jul-16 | 01-Feb | Sep-16 | 05-Aug | 03-Apr | 07-Aug | 1 | |||
| Threads Per inch | 20 | 18 | 16 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | ||
| Stress Area, in | 0.0318 | 0.0524 | 0.0775 | 0.1063 | 0.1419 | 0.182 | 0.226 | 0.334 | 0.462 | 0.606 | ||
| Tensile Load, min | 3800 | 6300 | 9300 | 12750 | 17050 | 21850 | 27100 | 40100 | 55450 | 72700 | ||
| Proof Load, Length Measurement Metthod | 2700 | 4450 | 6600 | 9050 | 12050 | 15450 | 19200 | 28400 | 39250 | 51500 | ||
| Alternative Proof Load, Yield Strength Method | 2900 | 4800 | 7100 | 9800 | 13050 | 16750 | 20800 | 30700 | 42500 | 55750 | ||
| 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 | 1 3/4 | 2 | 2 1/4 | 2 1/2 | 2 3/4 | 3 | |||
| Threads Per inch | 7 | 7 | 6 | 6 | 5 | 4 1/2 | 4 1/2 | 4 | 4 | 4 | ||
| Stress Area, in | 0.763 | 0.969 | 1.155 | 1.405 | 1.9 | 2.5 | 3.25 | 4 | 4.93 | 5.97 | ||
| Tensile Load, min | 80100 | 101700 | 121300 | 147500 | 171000 | 225000 | 292500 | 360000 | 443700 | 537300 | ||
| Proof Load, Length Measurement Metthod | 56450 | 71700 | 85450 | 104000 | 104500 | 137500 | 178750 | 220000 | 271150 | 328350 | ||
| Alternative Proof Load, Yield Strength Method | 61800 | 78500 | 93550 | 113800 | 110200 | 145000 | 189500 | 232000 | 286000 | 346200 | ||
| Tensile Requirement For Fine-Thread Full Size Bolts And Studs | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Bolt or Stud Diameter, in. | |||||||||
| 01-Apr | May-16 | 03-Aug | Jul-16 | 01-Feb | Sep-16 | 05-Aug | |||
| Threads Per inch | 28 | 24 | 24 | 20 | 20 | 18 | 18 | ||
| Stress Area, in | 0.0364 | 0.058 | 0.0878 | 0.1187 | 0.1599 | 0.203 | 0.256 | ||
| Tensile Load, min | 4350 | 6950 | 10550 | 14500 | 19200 | 24350 | 30700 | ||
| Proof Load, Length Measurement Metthod | 3100 | 4950 | 7450 | 10100 | 13600 | 17250 | 21750 | ||
| Alternative Proof Load, Yield Strength Method | 3500 | 5350 | 8100 | 10900 | 14700 | 18700 | 23500 | ||
| 03-Apr | 07-Aug | 1 | 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 | |||
| Threads Per inch | 16 | 14 | 12 | 12 | 12 | 12 | 12 | ||
| Stress Area, in | 0.373 | 0.509 | 0.663 | 0.856 | 1.073 | 1.315 | 1.581 | ||
| Tensile Load, min | 44750 | 61100 | 79550 | 89900 | 112650 | 138100 | 166000 | ||
| Proof Load, Length Measurement Metthod | 31700 | 43250 | 56350 | 63350 | 79400 | 97300 | 117000 | ||
| Alternative Proof Load, Yield Strength Method | 34300 | 46800 | 61000 | 69350 | 86900 | 106500 | 128000 | ||
| Tensile Requirements For Specimens Machined From Bolts And Studs | ||||
|---|---|---|---|---|
| Bolt or Stud Diameter, In. | ||||
| Yield Strength | Tensile Strength | Elongation | Reduction | |
| Mpa | Mpa | % | % | |
| min | min | min | min | |
| 1/4 to 1, incl | 635 | 825 | 14 | 35 |
| over 1 to 11/2, incl | 560 | 725 | 14 | 35 |
| over 11/2 to 3, incl | 620 | 400 | 14 | 35 |
| Hardness | ||
|---|---|---|
| Bolt or Stud Diameter, In. | BHN | HRC |
| 1/4 to 1, incl | 255-321 | 25-34 |
| over 1 to 11/2, incl | 223-285 | 19-30 |
| over 11/2 to 3, incl | 183-235 | - |
| Heat Treatment | ||||
|---|---|---|---|---|
| Quenched & tempered | ||||
| Equivalent Designation | ||
|---|---|---|
| UNS | ||
| EN number | ||
| EN Name | ||
| W.Nr. | ||
| SS | ||
| AFNOR | ||
Cold Forged Fasteners, Hot Forged Fastener, C-Machined Components / Fasteners, CNC Machined Components / Fasteners, Custom Machined Components / Fasteners, Threaded Components / Fasteners, Non-Threaded Components / Fasteners, Bar Stock Machined Components / Fasteners.
Metric Range from M1.0 to M100 and Imperial Range from 1/16 inch to 4 inch.
Coarse, Fine, UNC, UNF, UN, BSW, Acme Threads with Half Thread, Full Thread & Double End Thread Configuration.
Hexagon Bolts
- ANSI B18.2.1
- ANSI B18.2.3.1M
- DIN 931
- DIN 933
- BS 1768
- UNI 5731
- UNI 5737
- UNI 5739
- ISO 4014
- ISO 4017
- BS 1769
- BS 3692
Socket/Slotted Set Screws
- DIN 913
- DIN 914
- DIN 915
- DIN 916
- DIN 551
- DIN 553
- DIN 438
- BS 4168
Socket/Slotted Countersunk Screws
- DIN 963
- DIN 7991
- BS 4168
- BS 1981
- BS 483
- BS 2470
Socket Cap Screws
- ANSI B18.3
- B18.3.1M
- DIN 912
- DIN 6912
- DIN 7984
- ANSI B18.3
- ISO 4762
- UNI 5931
- BS 2470
- BS 4168
Stud Bolts
- ASME B18.2.1
- DIN 976
- DIN 938
- DIN 939
- DIN 2510
- BS 4439
- BS 2693
- BS4882
Nuts
- ANSI B18.2.2
- ANSI B18.2.4.6M
- DIN 934
- DIN 936
- BS 1768
- BS 1769
- BS 1083
- BS 3692
- ISO 4032
- ISO 4033
- ISO 4035
- UNI 5587
- UNI 5588
- UNI 5589
Washers
- ASME B18.22.1
- ASTM F436
- ISO 7089
- DIN 125
- DIN 9021
- BS 4320
- BS 3410
- DIN 127
- BS 4464
- BS 1802
- UNI 6952
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