Q620D quenched tempered Steel plate
2013年12月11日 by admin
Q620D quenched tempered Steel plate, GB/T 16270 Q620D
GB/T 16270-2009 Q620D High strength structural steel plates in the quenched and tempered condition
Q620D Chemical requirement
| Grade | Chemical requirement or element Max % | ||||||||||||
| | C | Si | Mn | P | S | Cu | Cr | Ni | Mo | B | V | Nb | Ti |
| Q620D | 0.2 | 0.8 | 1.7 | 0.025 | 0.015 | 0.5 | 1.5 | 2 | 0.7 | 0.005 | 0.12 | 0.06 | 0.05 |
Q620D Property in tensile and yield strength, and impact test requirement
| Grade | Property | Impact test | |||||||||
| Q620D | Yield Mpa Min | Tensile Mpa | Elongation | Min J | |||||||
| Thickness mm | Thickness mm | Degree | |||||||||
| 50 | 50-100 | 100-150 | 50 | 50-100 | 100-150 | % | 0 | -20 | -40 | -60 | |
| 620 | 580 | 560 | 700-890 | 650-830 | 15 | | 47 | | | ||
HENAN GANG IRON AND STEEL CO.,LTD Supply Q620D in about 3000tons stock for many thickness and sizes. If you have requirement for stock or new Q620D requirement, please feel free to contact us or email to us by admin@gangsteel.com
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