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GET PRICEGB/T 16270 Q620 High Strength Plate
GB/T 16270 Q620 has good hot and cold formability, good weld ability, low cold brittle tendency, and good resistance to atmospheric, seawater and other corrosion. Q620 High Strength Plate is mainly used in large ships, bridges, power station equipment, medium and high pressure boilers, high pressure vessels, rolling stock, lifting machinery, mining machinery and other large welded structure.
GB/T 16270 Q620 Plate Chemical Composition:
|
grade | Chemical Composition %, not more than | |||||||||||||||
|
C |
Si |
Mn |
P |
S |
Cu |
Cr |
Ni |
Mo |
B |
V |
Nb |
Ti | CEV | |||
| Product thickness /mm | ||||||||||||||||
| ≤50 | ＞50-100 | ＞ | ||||||||||||||
| Q620 | 0.20 | 0.80 | 1.70 | 0.020-0.025 | 0.010-0.015 | 0.50 | 1.50 | 2.00 | 0.70 | 0.005 | 0.12 | 0.06 | 0.05 | 0.65 | 0.77 | 0.83 |
GB/T 16270 Q620 Mechanical Properties:
| Grade | Tensile Test | Impact Test | |||||||||
| Yield Strength Mpa, not less than | Tensile Strength | Elongadition | Impact absorption energy | ||||||||
| Thickness/mm | Thickness/mm | Test Temperature | |||||||||
| ≤50 | ＞50-100 | ＞ | ≤50 | ＞50-100 | ＞ |
0 |
-20 |
-40 |
-60 | ||
| Q620 | 620 | 580 | 560 | 700-890 | 650-830 | 15 |
47 |
47 |
34 |
34 | |
GB/T 16270 Q620 High Strength Plate production lines:
| 2500 production line in the conventional production specifications, the annual output of 1.6 million tons | ||||
| Product thickness mm | Product width mm | Product length mm | Total length of steel plate | Weight of steel plate (tons) |
| 6-≤7 | 1800-2200 | 5200-13000 | 28000 | 2.2-3.0 |
| ＞7-30 | 1600-2300 | 5200-13000 | ≤32000 | 2.2-4.55 |
| 3500 production line in the conventional production specifications, the annual output of 2 million tons | ||||
| Product thickness mm | Product width mm | Product length mm | Total length of steel plate | Weight of steel plate (tons) |
| 10-50 | 2000-4100 | 5500-15000 | ≤36000 | 5.16-7.47/8.34-12.12 |
| ≥50-80 | 2250-3050 | 5500-15000 | ≤36000 | 8.34-12.12 |
| 4300 production line in the conventional production specifications, the annual output of 1.8 million tons | ||||
| Product thickness mm | Product width mm | Product length mm | Total length of steel plate | Weight of steel plate (tons) |
| 6-120 | ≥1500-4100 | 5500-15000 | ≤43000 | 22 max |
| 120-300 | ≥1500-4100 | 5500-15000 | ≤20000 | 44 max |
| 1700 hot-rolled coil, the annual output 3.5 million tons | ||
| Product thickness mm | Product width mm | Volume of steel plate (tons) |
| 1.8-19 | ≥900-1550 | 27.8 max |
GB/T 16270 Q620 High Strength Plate Size Range (MM):
The size range of Q620 High Strength Plate is: 4.5-250×1600-4100×L
GB/T 16270 Q620 High Strength Plate Delivery Condition:
Delivery condition of Q620 High Strength Plate: AR、CR、NR、TMCP、N、T、N+T、Q+T.
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