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| KR Grade D |
Product: KR Grade D shipbuilding steel plate, R D shipbuilding steel plate, KR Grade D shipbuilding angle steel bar , R D shipbuilding angle steel bar, KR Grade D bulb flat shipbuilding steel bar, R D bulb flat shipbuilding steel bar, KR Grade D L section shipbuilding steel bar, R D L shaped shipbuilding steel bar,
Key words: KR Grade D shipbuilding steel, KR Grade D Ocean steel, KR Grade D Marine steel,KR Grade D offshore engineering steel. R D shipbuilding steel, R D Ocean steel, R D Marine steel,R D offshore engineering steel,KR Grade D Z15, KR Grade D Z25,KR Grade D Z35,ASTM A131 KR Grade D
KR Grade D, R D chemical composition in shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar
Grade
|
C max
|
Si max
|
Mn
|
P max
|
S max
|
Als min
|
R D
|
0.21
|
0.35
|
0.60-1.20
|
0.035
|
0.035
|
0.015
|
CE: C+1/6Mn ≤ 0.40%
Cu ≤ 0.35%,Ni ≤ 0.30%
KR Grade D, R D Mechanical Property in shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar
Grade
|
Rm
(MPa)
|
Re(MPa) min
|
A% min
|
Akv/J min
| ||||||
E.T °C
|
Thickness (mm)
| |||||||||
≤ 50
|
>50-70
|
>70-100
| ||||||||
L
|
C
|
L
|
C
|
L
|
C
| |||||
R D
|
400-520
|
235
|
22
|
-20
|
27
|
20
|
34
|
24
|
41
|
27
|
KR Grade D, R D shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar delivery condition :
Grade
|
category
|
The thickness of steel
| ||||
≤ 12
|
>12.5-25
|
>25-35
|
>35-50
|
>50-100
| ||
D
|
Plate/sheet
|
A(50)
|
N(50)
CR(50)
TM(50)
|
N(50)
TM(50)
CR(25)
| ||
Profile steel
|
N(50)
CR(50)
TM(50)
AR*(25)
|
-
| ||||
JW steel keeps more than 10,000 tons hot rolled and cold rolled KR Grade D, R D shipbuilding steel in stock each month. We can meet our customer’s any quantity request. Based on these stock source, our advantage industry spread into steel process like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.
Skype: vivian.qiu16
Website: www.steel-jw.com
Tel 86, 371, 63332179
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