Ship building tube - China - Manufacturer

Ship building tube

Ship building tube

Model No.︰-

Brand Name︰-

Country of Origin︰China

Unit Price︰-

Minimum Order︰-

Product Description

SEAMLESS STEEL TUBES FOR SHIP-BUILDING

Application:
Products is designed and manufactured for boilers, superheaters and pressure systems of ships

Production Standard:
CCS
DNV
LR
GL
ABS
BV
RINA
NK
China National Standard

Steel Grade:
320、360、410、460、490

Dimensions and Tolerances

Manufacturing Process	OD		W.T.
Cold Drawn	Tolerance(mm)	Tolerance(mm)	Wall Thickness(mm)	Tolerance(mm)
	>30~50	±0.3	≤30	±10%
	>50~219	±0.8%

Mechanical Properties

Standard	Steel grade	Tensil strength(Mpa)	Yield strength(Mpa)	Elongation
GB/T5312	320	≥195	320~410	≥25
	360	≥215	360~480	≥24
	410	≥235	410~530	≥22
	460	≥265	460~580	≥21
	490	≥285	490~610	≥21

Chemical Composition

Standard	Grade	Chemical composition
Standard	Grade	C	Si	Mn	P	S
GB/T5312	320	≤0.16	≤0.35	0.40~0.70	≤0.035	≤0.035
	360	≤0.17	≤0.35	0.40~08.0	≤0.035	≤0.035
	410	≤0.21	≤0.35	0.40~1.20	≤0.035	≤0.035
	460	≤0.22	≤0.35	0.80~1.40	≤0.035	≤0.030
	490	≤0.23	≤0.35	0.80~1.50	≤0.035	≤0.030

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