CCS Pressure Steel Pipes and Tubes

CCS Pressure Steel Pipes and Tubes

CCS pressure steel pipes and tubes are a kind of marine steel tubes used for pressure piping. The CCS pressure steel pipes and tubes are approved by China Classification Society. Materials of the tube can meet the requirements of GB/T 5312, and the specifications GB/T 17395 standard. There are five steel grades for the pipe: 320, 360, 410, 460, 490. CCS pressure steel pipes and tubes can be divided into three gradesⅠ,Ⅱ and Ⅲ, according to design pressure and design temperature. Except CCS pressure steel pipes and tubes, we also supply CCS seamless steel pipes, CCS boiler steel pipes and CCS stainless steel pipes.

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Pipe Grades of CCS Pressure Steel Pipes and Tubes:

Grade	Ⅰ		Ⅱ		Ⅲ
Media	Design Pressure MPa	Design Temperature ℃	Design Pressure MPa	Design Temperature ℃	Design Pressure MPa	Design Temperature ℃
Media	>		-		≤
Steam and hot oil	1.6	300	0.7~1.6	170~300	0.7	170
Fuel oil	1.6	150	0.7~1.6	60~150	0.7	60
Other media	4.0	300	1.6~4.0	200~300	1.6	200
Note	1. When a pipe’s design temperature or design pressure meets requirements for gradeⅠon table A , the pipe will be certified as gradeⅠpipe. When a pipe’s design temperature and design pressure both meets requirements for gradeⅡ on table A , the pipe will be certified as grade Ⅱ pipe. 2. Other media refer to air, water, lubricating oil, hydraulic oil... 3. Grade Ⅲ pipes can be made according to national standards agreed by CCS.

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

Photo of CCS Pressure Steel Pipes and Tubes:

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