Q620D high tensile steel
Q620D high tensile steel plate plate number in the Q = yield, 620 = steel plate yield strength, unit 620Mpa indicates that the steel plate can withstand 620MPa within the yield pressure value, D = steel plate level D = -20 ℃.
Q620D low alloy steel sheet is national standard low alloy high strength structural steel sheet with good toughness and impact capacity.
Meanwhile, the Q620D low alloy structural steel we offer is strictly produced in accordance with the standards and has passed the quality certification, we can provide the quality certificate and accept the third party testing.
high strength low alloy structural steel Chemical Composition
| C% max | Si% max | Mn% max | P% max | S% max | Cu% max | Cr% max | Ni% max | Mo % max | B % max | V % max | Nb% max | Ti % max |
| 0.2 | 0.80 | 1.7 | 0.02 | 0.010 | 0.5 | 1.5 | 2 | 0.70 | 0.005 | 0.12 | 0.06 | 0.05 |
high tensile steel plate mechanical property
| Re yield strength Mpa min | Re yield strength Mpa min | elongation% min | Energy and temperature | |||||||||
| 0 | -20 | -40 | -60 | |||||||||
| t≤50 | 50-100 | 100-150 | t≤50 | 50-100 | 100-150 | 15 | J | J | J | J | ||
| 620 | 580 | 560 | 700-890 | 700-890 | 650-830 | 47 | 47 | 34 | 34 | |||
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We have excellent after-sales service. If you have any questions about Q620D high tensile steel, you can contact us and we will reply you within two hours.
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