CCS Carbon and Carbon-Manganese Steel Pipes and Tubes

CCS Carbon and Carbon-Manganese Steel Pipes and Tubes

The carbon and carbon-manganese steel pipes and tubes is a sort of marine steel pipes certified by China Classification Society. The pipes meet the requirements of GB/T 5312. The carbon and carbon-manganese steel pipes and tubes are designed for marine boilers, heat exchangers and pressure piping. The highest working temperature of the pipes is 450℃ for boilers. The manufacture methods for pipes are WHR, WHE or WCD. There are five steel grades for the pipes: 320, 360, 410, 460, 490. We are able to provide you full selection of pipe specifications. If you want to know more details, welcome to contact us!

Steel Grades and Chemical Composition:

Steel Grade	Chemical Composition %
	C	Si	Mn	S	P	Residual Elements
						Cr	Mo	Ni	Cu	gross
320	≤0.16	-	0.40~0.70	≤0.020	≤0.025	≤0.25	≤0.10	≤0.30	≤0.30	≤0.70
360	≤0.17	≤0.35	0.40~0.80
410	≤0.21	≤0.35	0.40~1.20
460	≤0.22	≤0.35	0.80~1.20
490	≤0.23	≤0.35	0.80~1.50

Mechanical Properties:

Steel Grade	Tensile Strength Rm MPa	Lower Yield Strength ReL MPa	Elongation after Fracture A %
320	320~440	≥195	≥25
360	360~480	≥215	≥24
410	410~530	≥235	≥22
460	460~580	≥265	≥21
490	490~610	≥285	≥21

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