■ Overview
LR Grade A,LR A,LR A steel plate is common strength shipbuilding plate which is mainly used for built hull of vessels,ship body construction.Ship plate LR Grade A is the Hull structural steel,with it's good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and welding properties.In the steel standard ASTM A131/A131M,offshore steel grade ASTM A131 Grade A is the best equvialent steel grade with LR Grade A.
■ Full Data
Technical Requirements & Additional Services for LR Grade A 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 A shipbuilding structual steel:
►Chemical composition for LR Grade A ship steel (Heat Analysis Max%)
Yield strength (≥Mpa) | Tensile strength (Mpa) | Elongation in ≥,% | |
235 | 400-520 | 200mm | 50mm |
21 | 24 |
►Chemical composition for LR Grade A ship steel (Heat Analysis Max%)
Main chemical elements composition of LR Grade A | ||||
C | Si | Mn | P | S |
0.21 | 0.50 | 2.5×C | 0.035 | 0.035 |