DNV A420 shipbuilding and offshore platform steel plate
2013年8月1日 by admin
Gangsteel is specialized in supplying DNV extra high strength steel plate in DNV Grade A420. For more information of Grade A420 steel plate, please check them in following:
| DNV Steel Plate Grade | ||||
| General Strength | ||||
| High Strength | ||||
| Extra Strength | ||||
| NV A460 extra high Strength Chemical Composition | |||||||
| Grade | The Element Max (%) | ||||||
| C | Si | Mn | P | S | Al | N | |
| NV A420 | 0.21 | 0.10-0.55 | 1.7 | 0.035 | 0.035 | 0.015-0.08 | 0.020 |
| Nb | V | Ti | Cu | B | Ni | Mo | |
| 0.02-0.05 | 0.04-0.10 | 0.02 | | | 0.005 | | |
Crack Sensitivity: Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
| NV A420 extra high general strength property | |||||||
| Grade | | | Mechanical Property | | |||
| Thickness | Yield | Tensile | Elongation | Degree | Energy 1 | Energy 2 | |
| NV A420 | mm | Min Mpa | Mpa | Min % | 0 | J | J |
| t≤50 | 420 | 530-680 | 18% | 28 | 42 | ||
| 50＜t≤70 | 420 | 530-680 | 18% | 28 | 42 | ||
| 70＜t≤150 | 420 | 530-680 | 18% | 28 | 42 | ||
| Note: Energy 1 is transverse impact test, Energy 2 is longitudinal | |||||||
Boiler steel plates | Alloy steel plates | High strength plate| Carbon steel plate | Stainless steel plate
| Equivalent steel grade of NV A420 | |||||||
| ABS | KR | LR | BV | CCS | NK | GL | RINA |
| AB/AQ42 | R A42 | LR/AH42 | BV/A420 | CCS/A420 | K A42 | GL-A420 | RI/A420 |
To find more about shipbuilding steel plate, or inquiry from our gangsteel, please feel free to CLICK HERE to contact us.
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