Seamless Steel Tube for Marine and Ship Building Industry

Manufacturing Specification of Seamless Steel Tube for Marine and Ship Building Industry
No. Grade Specification Executive Standard
Outer Diameter /mm Wall Thickness /mm Economical Length/m
1 CCS/GB/T5312-2009:
410Ⅰ,410Ⅱ(410)
GL:R410(410)
BV:410HB(410)
DNV:TS410(410)
NK:KSTPG38, KSTS38, KSTPT38(410)
KR:RST 138, RST 142(410)
LR:410Ⅰ, 410Ⅱ(410)
ABS:Gr3, Gr5(410)
10 ~ 127 1 ~ 20 6 ~ 12.0 GB/T5312 and rules of domestic and foreign classification societies
42 ~ 114.3 3.5 ~ 6 6 ~ 12.2
42 ~ 114.3 6 ~ 12 6 ~ 12.2
114.3 ~ 180 3.8 ~ 8 6 ~ 12.2
114.3 ~ 180 8 ~ 22 6 ~ 12.2
68 ~ 180 10 ~ 14 6 ~ 12.2
69 ~ 254 14 ~ 55 6 ~ 12.2
140 ~ 340 6 ~ 8 6 ~ 12.2
140 ~ 368 8 ~ 42 6 ~ 12.2
318 ~ 720 14 ~ 50 4 ~ 12.5
140 ~ 368 6 ~ 25 6 ~ 12.2
318 ~ 720 14 ~ 25 4 ~ 12.5

Rules
CCS Rules for Classification and Construction of Ships
BV Rules for Classification of Ships
LR Rules and Regulations for Classification of Ships
DNV Rules for Classification of Ships
GL Rules for Classification and Construction

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