NV D620|DNV D620 shipbuilding and offshore platform steel plate
2013年8月2日 by admin
Gangsteel is specialized in supplying extra high strength steel plate in Grade D620 approved by DNV, ABS, RINA, LR, GL, BV, CCS, NK and KR.
For more information of DNV Grade D620 steel plate, please check them in following:
| DNV Steel Plate Grade | ||||
| General Strength | ||||
| High Strength | ||||
| Extra Strength | ||||
Our mill could produce size in the following:
Thickness: 6mm to 240mm,
Width: 1500mm to 4020mm
Length: 3000mm to 27000mm.
Steel Services: Cutting, Painting, Pretreatment, Ultrasonic Test, Third Party Inspection, and so on.
Gangsteel exported DNV D620 steel material directly from our mill in the competitive price from sales department. Each plate has the Mill Certificate Test EN10204 3.2 Version.
DNV GRADE D620 Chemical composition heat analysis:
| NV D620 extra high Strength Chemical Composition | |||||||
| Grade | The Element Max (%) | ||||||
| C | Si | Mn | P | S | Al | N | |
| 0.20 | 0.10-0.55 | 1.7 | 0.030 | 0.030 | 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 D620 extra high general strength property | |||||||
| Grade | | Mechanical Property | Charpy V Impact Test | ||||
| Thickness | Yield | Tensile | Elongation | Degree | Energy 1 | Energy 2 | |
| mm | Min Mpa | Mpa | Min % | -20 | J | J | |
| t≤50 | 620 | 720-890 | 15% | 41 | 62 | ||
| 50＜t≤70 | 620 | 720-890 | 15% | 41 | 62 | ||
| 70＜t≤150 | 620 | 720-890 | 15% | 41 | 62 | ||
| 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 D620 | |||||||
| AB/DQ63 | GL-D620 | LR/DH62 | BV/D620 | CCS/D620 | K D63 | R D63 | RI/D620 |
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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