Q620 Q690 Structural Steel Channels
Q620 metal channel is a kind of low alloy high-strength structural steel, the main characteristics are high strength, high yield point.Q690 channel beam is widely used in: steel structure manufacturing industry, shipbuilding industry, all kinds of mechanical processing manufacturing industry, automobile manufacturing industry, bridge construction industry, boiler and container manufacturing industry, mining industry and petrochemical industry and other industries.
Q690 parallel flange channel belongs to high-strength welded structural steel. Where Q stands for yield strength, 690 stands for yield strength value Q690 steel is followed by different grades indicating the impact temperature of Q690. The impact of grade D plate is -20°C. The impact of grade E plate is -40°C. The impact of grade C plate is 0°C. The impact of grade C plate is 0°C. The impact of grade C plate is 0°C. The impact of grade C plate is 0°C.
q620 channel steel beam chemical composition
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | B(%) |
|---|---|---|---|---|---|---|---|---|
| Max 0.18 | Max 0.55 | 1.00-1.60 | 0.03 | 0.03 | Max 0.80 | Max 1.20 | Max 0.60 | Max 0.003 |
q690 channel steel chemical composition
| Q690 Chemical Composition (%) | ||||||||||||||||
| Steel Grade | Quality Grade | C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | N | Mo | B | Al |
| Q690 | Q690C | ≤ 0.18 | ≤ 0.60 | ≤ 2.00 | ≤0.030 | ≤0.030 | ≤ 0.11 | ≤ 0.12 | ≤ 0.20 | ≤ 1.00 | ≤ 0.80 | ≤ 0.80 | ≤ 0.015 | ≤ 0.30 | ≤ 0.004 | ≥ 0.015 |
| Q690D | ≤0.030 | ≤0.025 | ||||||||||||||
| Q690E | ≤0.025 | ≤0.020 | ||||||||||||||
steel metal channel sizes
| Size X Wt. Per Ft. |
A Depth in Inches |
B |
C Web Thickness Inches |
Per Ft |
20-Ft Length |
40-Ft Length |
|
| C 3 x 4.1 | 3 | 1.410 | .170 | 4.1 | 82 | 164 | |
| C 3 x 5 | 3 | 1.498 | .258 | 5 | 100 | 200 | |
| C 3 x 6 | 3 | 1.596 | .356 | 6.0 | 120 | 240 | |
| C 4 x 5.4 | 4 | 1.584 | .184 | 5.4 | 108 | 216 | |
| C 4 x 7.25 | 4 | 1.721 | .321 | 7.25 | 145 | 290 | |
| C 5 x 6.7 | 5 | 1.750 | .190 | 6.7 | 134 | 268 | |
| C 5 x 9 | 5 | 1.885 | .325 | 9.0 | 180 | 360 | |
| C 6 x 8.2 | 6 | 1.920 | .200 | 8.2 | 164 | 328 | |
| C 6 x 10.5 | 6 | 2.034 | .314 | 10.5 | 210 | 420 | |
| C 6 x 13 | 6 | 2.157 | .437 | 13.0 | 260 | 520 | |
| C 7 x 9.8 | 7 | 2.090 | .210 | 9.8 | 196 | 392 | |
| C 7 x 12.25 | 7 | 2.194 | .314 | 12.25 | 245 | 490 | |
| C 7 x 14.75 | 7 | 2.299 | .419 | 14.75 | 295 | 590 | |
| C 8 x 11.5 | 8 | 2.260 | .220 | 11.5 | 230 | 460 | |
| C 8 x 13.75 | 8 | 2.343 | .303 | 13.75 | 275 | 550 | |
| C 8 x 18.75 | 8 | 2.527 | .487 | 18.75 | 375 | 750 | |
| C 9 x 13.4 | 9 | 2.433 | .233 | 13.4 | 268 | 536 | |
| C 9 x 15 | 9 | 2.485 | .285 | 15.0 | 300 | 600 | |
| C 9 x 20 | 9 | 2.648 | .448 | 20.0 | 400 | 800 | |
| C 10 x 15.3 | 10 | 2.600 | .240 | 15.3 | 306 | 612 | |
| C 10 x 20 | 10 | 2.739 | .379 | 20.0 | 400 | 800 | |
| C 10 x 25 | 10 | 2.886 | .526 | 25.0 | 500 | 1000 | |
| C 10 x 30 | 10 | 3.033 | .673 | 30.0 | 600 | 1200 | |
| C 12 x 20.7 | 12 | 2.942 | .282 | 20.7 | 414 | 828 | |
| C 12 x 25 | 12 | 3.047 | .387 | 25.0 | 500 | 1000 | |
| C 12 x 30 | 12 | 3.170 | .510 | 30.0 | 600 | 1200 | |
| C 15 x 33.9 | 15 | 3.400 | .400 | 33.9 | 678 | 1356 | |
| C 15 x 40 | 15 | 3.520 | .520 | 40.0 | 800 | 1600 | |
| C 15 x 50 | 15 | 3.716 | .716 | 50.0 | 1000 | 2000 | |
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