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| KR DH40 |
Product: KR DH40 shipbuilding steel plate, R D40 shipbuilding steel plate, KR DH40 shipbuilding angle steel bar , R D40 shipbuilding angle steel bar, KR DH40 bulb flat shipbuilding steel bar, R D40 bulb flat shipbuilding steel bar, KR DH40 L section shipbuilding steel bar, R D40 L shaped shipbuilding steel bar, KR DH40 Z15, KR DH40 Z25,KR DH40 Z35
Key words: KR DH40 shipbuilding steel, KR DH40 Ocean steel, KR DH40 Marine steel,KR DH40 offshore engineering steel. R D40 shipbuilding steel, R D40 Ocean steel, R D40 Marine steel,R D40 offshore engineering steel,KR DH40 Z15, KR DH40 Z25,KR DH40 Z35,ASTM A131 KR DH40
KR DH40, R D40 KR DH40 Z15, KR DH40 Z25,KR DH40 Z35
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
|
Ti max
|
Cu max
|
Cr
max
|
Ni
max
|
Mo
max
|
Nb
|
V
|
N
max
|
DH40
|
0.18
|
0.50
|
0.90-1.60
|
0.035
|
0.035
|
0.015
|
0.02
|
0.35
|
0.20
|
0.40
|
0.08
|
0.02-0.05
|
0.05-0.10
|
Note: Generally speaking CE will be ≤ 0.40%. If the delivery condition is TMPC, the CE will be : ≤ 0.36% (thickness ≤ 50mm),≤0.38%( when the thickness >50-100).
Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
KR DH40, R D40 KR DH40 Z15, KR DH40 Z25,KR DH40 Z35
MechanicalProperty 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 D40
|
510-660
|
390
|
20
|
-20
|
41
|
27
|
-
|
-
|
-
|
-
|
KR DH40, R D40 KR DH40 Z15, KR DH40 Z25,KR DH40 Z35
shipbuilding steel plate, angle steel bar, bulb flat bar, L section steel bar delivery condition :
Grade
|
Fine grains elements
|
category
|
The thickness of steel
| |||||
≤ 12
|
>12.5-20
|
>20-25
|
>25-35
|
>35-50
|
>50-100
| |||
DH40
|
any
|
Plate/sheet
|
A(50)
|
N(50),CR(50),TM(50)
|
-
| |||
JW steel keeps more than 10,000 tons hot rolled and cold rolled KR DH40, R D40 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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