+86 371 55057610 
inquiry@xsteelplate.com
■ Overview
LR Grade D,LR D,LR D steel plate is mainly used to build vessels and ships which are sailing in cold ocean waters belows minus 20 centigree.We foucs on supplying wide heavy shipbuilding plate,up to today,we can offer the maximum thickness for shipbuilding plate LR Grade D shall be 300mm,and the maximum width shall be till 4200mm.This owned world-class property.For the thickness above 40mm,our engineers suggest customers accept doing Normalized heat treatment for LR Grade D steel plates.
■ Full Data
Technical Requirements & Additional Services for LR Grade D steel plate:
♦ High tension test
♦ Z-Test (Z15,Z25,Z35)
♦ Low temperature impacting test
♦ Ultrasonic test under ASTM A435,A577,A578
♦ Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
♦ High tension test
♦ Z-Test (Z15,Z25,Z35)
♦ Low temperature impacting test
♦ Ultrasonic test under ASTM A435,A577,A578
♦ Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
■ Techicals
►Mechnical property for LR Grade D shipbuilding structual steel:
| Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
| 235 | 400-520 | 200mm | 50mm |
| 21 | 24 | ||
►Chemical composition for LR Grade D ship steel (Heat Analysis Max%)
| Main chemical elements composition of LR Grade D | ||||
| C | Si | Mn | P | S |
| 0.21 | 0.10-0.35 | 0.60 | 0.035 | 0.035 |
Tel：+86 371 55057610 
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