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Marine Pipe

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Marine Pipe

Seamless steel tubes of carbon steel and carbon manganese steel for the manufacture of Class I pressurized pipe systems, Class II pressurized pipe systems, boilers and superheaters for ships

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Number of views:

1000

Product serial number

Specification Range:

∮17-711×1.5-50mm

Use:

Seamless steel tubes of carbon steel and carbon manganese steel for the manufacture of Class I pressurized pipe systems, Class I

Main Material:

China CCS, US ABS, France BV, UK LR, Germany GL, Norway DNV, Japan NK, South Korea KR, Italy RINA classification society (320, 360, 410, 460, 490, 550, 690)

Quantity

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Product description

Parameters

● Classification of Ships

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

ABS Rules for Classification of Ships

NK Rules for Classification of Ships

GL Rules for Classification and Construction

● Standard

GB/T5312-2009

● Uses

For the manufacture of marine boilers, superheaters and pressure-resistant pipes

● Deviation

Allowable deviation of outer diameter and wall thickness

Outer diameter D	Hot rolled tube	Diameter size mm	≤ 159	＞ 159
		Allowable deviation %	± 1.0	± 1.25
	Cold-drawn tube	Diameter size mm	≤ 30	＞ 30~50	＞ 50
		Allowable deviation	± 0.20mm	± 0.30mm	± 0.8%
Wall thickness S	Hot rolled tube	Wall thickness mm	3 ＜ S ≤ 20	S ＞ 20
		Allowable deviation %	+15-10	± 10
	Cold-drawn tube	Wall thickness mm	1.5~3	＞ 3
		Allowable deviation %	+12-10	± 10