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STRUCTURAL STEEL GRADES STRENGTH
| Grade | Yield Strength | Ultimate tensile strength |
Elongation min for 2" |
Notes |
|---|---|---|---|---|
| STRUCTURAL STEEL CSA G40.21 | ||||
| 44/300W | 44,000 PSI (304 MPA) MIN |
65,000‑85,000 PSI (448‑586 MPA) |
23 % | |
| 50/350W | 50,000 PSI (345 MPA) MIN |
65,000‑90,000 PSI (448‑621 MPA) |
22 % | |
| A36 | 36,300 PSI (250 MPA) MIN. |
58,000‑79,800 PSI (400‑500 MPA) |
23 % | |
| 4140 | 105,000 PSI (724 MPA) MIN |
125,000 PSI (852 MPA) MIN |
16 % | Heat‑treated to ASTM A193 B7 |
| ALL THREADED RODS | ||||
| ASTM A307 GR. A | — | 60,000 PSI (414 MPA) MIN. | 18 % | |
| ASTM A193 B7 | 105,000 PSI (724 MPA) MIN | 125,000 PSI (852 MPA) MIN | 16 % | |
| ASTM F593 ‑GRADE 304 / 316 |
Dia ¼‑⅝: 65,000 PSI (448 MPA) MIN. Dia ¾‑1 ½: 45,000 PSI (310 MPA) MIN. |
Dia ¼‑⅝: 100‑150 k PSI (689‑1035 MPA) Dia ¾‑1 ½: 85‑140 k PSI (586‑965 MPA) |
— |
Supplied CW1/CW2 unless specified. Same strength for SS304 & SS316 |
| ANCHOR RODS | ||||
| F1554 GR. 36 | 36,000 PSI (248 MPA) MIN. | 58,000‑80,000 PSI (400‑552 MPA) | 23 % | |
| F1554 GR. 55 | 55,000 PSI (379 MPA) MIN. | 75,000‑95,000 PSI (517‑655 MPA) | 21 % | Popular weldable alt: GR. 55‑S1 |
| F1554 GR. 105 | 105,000 PSI (724 MPA) MIN. | 125,000‑150,000 PSI (861‑1034 MPA) | 15 % | |
| STRUCTURAL BOLTS ASTM F3125 | ||||
| GRADE A325/F1852 | 92,000 PSI (635 MPA) MIN. | 120,000 PSI (828 MPA) MIN. | 14 % | Type 1 & 3 (weathering) same strength. |
| GRADE A490/F2280 | 130,000 PSI (896 MPA) MIN. | 150,000 PSI (1034 MPA) MIN | 14 % | Type 1 & 3 (weathering) same strength. |
| SAE J429 | ||||
| Grade 2 |
Dia ¼‑¾: 57,000 PSI (393 MPA) MIN. Dia ¾‑1 ½: 36,000 PSI (248 MPA) MIN |
Dia ¼‑¾: 74,000 PSI (510 MPA) MIN. Dia ¾‑1 ½: 60,000 PSI (414 MPA) MIN |
18 % | |
| Grade 5 |
Dia ¼‑1: 92,000 PSI (635 MPA) MIN. Dia 1 ⅛‑2: 81,000 PSI (558 MPA) MIN |
Dia ¼‑1: 120,000 PSI (830 MPA) MIN. Dia 1 ⅛‑2: 105,000 PSI (724 MPA) MIN |
14 % | |
| Grade 8 | 120,000 PSI (830 MPA) MIN. | 150,000 PSI (1034 MPA) MIN. | 12 % | |
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