China Q345 355 1045 S45c Hot Rolled Carbon Steel Flat/Square Bar Price, Find details about China Cran Rail Steel Bar, St52 Steel Flat Bar from Q345 355 1045 S45c Hot Rolled Carbon Steel Flat/Square Bar Price
Type | B | A | Weight(kg/m) |
40×30 | 40 | 30 | 9.42 |
50×30 | 50 | 30 | 11.78 |
50×40 | 50 | 40 | 15.7 |
60×40 | 60 | 40 | 18.84 |
70×40 | 70 | 40 | 21.98 |
80×60 | 80 | 60 | 37.68 |
100×60 | 100 | 60 | 47.11 |
120×80 | 120 | 80 | 75.37 |
Type | B | A | Weight (kg/m) |
Standard | |||
40×40 | 40 | 40 | 12.56 |
50×50 | 50 | 50 | 19.63 |
70×70 | 70 | 70 | 38.47 |
80×80 | 80 | 80 | 50.25 |
Germany | US | European Union | GB | |||
Standard | Steel | Standard | Steel | Standard | Steel (Steel number) | Steel |
DIN 17100: 1980 | St 52 / St 52-3 | ASTM A572/A572M | Grade 50 | EN 10025-2: 2005 | S355JR | Q345 |
Grade | C | Si | Mn | P | S | Cr | Ni | Cu |
Q345 / ST52-3 | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | 0.035 | ≤0.30 | ≤0.50 | ≤0.30 |
Steel (Steel number) | d≤16 | 16< d ≤40 | 40< d ≤63 | 63< d ≤80 | 80< d ≤100 | >100 |
St52-3 | 355 | 345 | 335 | 325 | 315 | by agreement |
Steel (Steel number) | d<3 | 3 ≤ d ≤ 100 | >100 |
St 52-3 | 515-680 | 490-630 | by agreement |