lr Grade D Shipbuilding Steel with good toughness properties, higher strength. LR Grade D shipbuilding steel plate is mainly used to build vessels and ships which are sailing in cold ocean waters below minus 20 centigrade.
lr Grade D Shipbuilding Steel Chemical Composition
Grade |
ChemicalComposition(%) |
|
||||
C≤ |
Mn≥ |
Si≤ |
P≤ |
S≤ |
Mark |
|
LRD |
0.21 |
0.6 |
0.10-0.35 |
0.035 |
0.035 |
LR/D |
lr Grade D Shipbuilding Steel Mechanical Property
LR Grade D Shipbuilding steel plate |
|||||||
Grade |
|
Mechanical Property |
Charpy V Impact Test |
||||
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
LR-D |
mm |
Min Mpa |
Mpa |
Min % |
-20 |
J |
J |
t≤50 |
235 |
400-520 |
22% |
20 |
27 |
||
50<t≤70 |
235 |
400-520 |
22% |
24 |
34 |
||
70<t≤100 |
235 |
400-520 |
22% |
27 |
41 |
||
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
Lr Grade D Shipbuilding Steel Specification
Thickness:3mm-350mm
Width:1300mm-4200mm
Length:3000mm-12000mm
Meanwhile, the size can be customized
Surface Treatment: Shot blasting and painting or coated
lr Grade D Shipbuilding Steel Delivery Details
Packaging Details: Standard export seaworthy packing or as required.
Delivery Time:30-50 days, 7 days for stock goods.
Loading Port: Shanghai ,Tianjin.
Shanghai Katalor Enterprises Co., Ltd is a big complex combined steel stockist whose business related with trade, processing, storage and transportation. we are specialized in supplying ASTM A242. Any need in ASTM A242 weather steel pleasedonothesitatetocontactus by email info@Katalor.com and we will do our best to help you !