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Bulb flat steel KR Grade A| Shipbuilding Flat Bulb KR A
Come from:United Iron and Steel Limited Editor:United Iron and stee Access:
Bulb flat steel KR Grade A| Shipbuilding Flat Bulb steel KR A
Our Mill produce and export shipbuilding profile, bulb flat, flat bar material KR Grade A, KR Grade B, KR Grade D, KR Grade AH36,KR Grade AH32, KR Grade DH32,KR Grade DH36 for ship building project.
Our bulb flat steel mainly size is HP80*5, HP80*6, HP100*7, HP100*8, HP120*6, HP120*7 , HP120*8, HP140*7, HP140*8, HP140*10, HP160*7, HP160*8, HP160*9, HP160*11, HP180*8, HP180*9, HP180*10, HP180*11, HP200*9, HP200*10, HP200*11, HP200*12, HP220*10, HP220*11, HP220*12, HP240*10, HP240*11, HP240*12, HP260*10, HP260*11, HP260*12, HP280*11, HP280*12, HP280*13, HP300*11, HP300*12, HP300*13, HP320*12, HP320*13, HP320*14 and so on
Our mill shipbuilding bulb flat have passed DNV, ABS , LR , BV, GL , NK, KR, RINA,CCS Approval in quality. The better quality, the most competitive price. if you have any requirement in bulb flat, please feel free to contact us by email sales@unitedsteelplate.com
The Chemical or element or Composition KR Grade A bulb flat
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】%
The Equivalent of KR Grade A bulb flat for shipbuilding steel profile.
BV Grade A, CCS Grade A, DNV Grade A, GL Grade A, NK Grade A, KR Grade A, RINA Grade A, ABS Grade A, LR Grade A
Our Mill produce and export shipbuilding profile, bulb flat, flat bar material KR Grade A, KR Grade B, KR Grade D, KR Grade AH36,KR Grade AH32, KR Grade DH32,KR Grade DH36 for ship building project.
Our bulb flat steel mainly size is HP80*5, HP80*6, HP100*7, HP100*8, HP120*6, HP120*7 , HP120*8, HP140*7, HP140*8, HP140*10, HP160*7, HP160*8, HP160*9, HP160*11, HP180*8, HP180*9, HP180*10, HP180*11, HP200*9, HP200*10, HP200*11, HP200*12, HP220*10, HP220*11, HP220*12, HP240*10, HP240*11, HP240*12, HP260*10, HP260*11, HP260*12, HP280*11, HP280*12, HP280*13, HP300*11, HP300*12, HP300*13, HP320*12, HP320*13, HP320*14 and so on
Our mill shipbuilding bulb flat have passed DNV, ABS , LR , BV, GL , NK, KR, RINA,CCS Approval in quality. The better quality, the most competitive price. if you have any requirement in bulb flat, please feel free to contact us by email sales@unitedsteelplate.com
The Chemical or element or Composition KR Grade A bulb flat
KR GRADE A bulb flat general Strength Chemical Composition | ||||||
Grade | The Element Max (%) | |||||
C | Si | Mn | P | S | N | |
KR GRADE A | 0.21 | 0.50 | 2.5*C | 0.035 | 0.035 | 0.02 |
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
KR GRADE A Bulb flat steel property mechanical | |||||||
Grade | Mechanical Property | Charpy V Impact Test | |||||
Thickness | Yield | Tensile | Elongation | Degree | Energy 1 | Energy 2 | |
KR GRADE A | mm | Min Mpa | Mpa | Min % | 20 | J | J |
t≤50 | 235 | 400-520 | 18% | - | - | ||
50<t≤70 | 235 | 400-520 | 18% | 24 | 34 | ||
70<t≤100 | 235 | 400-520 | 18% | 27 | 41 | ||
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
The Equivalent of KR Grade A bulb flat for shipbuilding steel profile.
BV Grade A, CCS Grade A, DNV Grade A, GL Grade A, NK Grade A, KR Grade A, RINA Grade A, ABS Grade A, LR Grade A
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