OEM Supply Repairing Sewer Line - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral

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OEM Supply Repairing Sewer Line - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral Detail:

The Mechanical Properties of the SSAW pipe

steel grade	minimum yield strength Mpa	minimum Tensile strength Mpa	Minimum Elongation %
B	245	415	23
X42	290	415	23
X46	320	435	22
X52	360	460	21
X56	390	490	19
X60	415	520	18
X65	450	535	18
X70	485	570	17

The Chemical composition of the SSAW pipes

steel grade	C	Mn	P	S	V+Nb+Ti
	Max %	Max %	Max %	Max %	Max %
B	0.26	1.2	0.03	0.03	0.15
X42	0.26	1.3	0.03	0.03	0.15
X46	0.26	1.4	0.03	0.03	0.15
X52	0.26	1.4	0.03	0.03	0.15
X56	0.26	1.4	0.03	0.03	0.15
X60	0.26	1.4	0.03	0.03	0.15
X65	0.26	1.45	0.03	0.03	0.15
X70	0.26	1.65	0.03	0.03	0.15

The Geometric tolerance of the SSAW pipes

Geometric tolerances
outside diameter		Wall thickness		straightness		out-of-roundness		mass	Maximum weld bead height
D		T
≤1422mm	＞1422mm	＜15mm	≥15mm	pipe end 1.5m	full length	pipe body	pipe end		T≤13mm	T＞13mm
±0.5% ≤4mm	as agreed	±10%	±1.5mm	3.2mm	0.2% L	0.020D	0.015D	‘+10% -3.5%	3.5mm	4.8mm

Hydrostatic Test

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The pipe shall withstand the hydrostatic test without leakage through the weld seam or the pipe body
Jointers need not be hydrostatically tested, providedthat the portions of pipe used in marking the jointers were successfully hydrostatically tested prior to the joining operation.

Traceablity:
For PSL 1 pipe, the manufacturer shall establish and follow documented procedures for maintaining:
The heat identity until each related chmical tests is performed and conformance with the specified requirements is shown
The test-unit identity until each related mechanical tests is performed and conformance with the specified requirements is shown
For PSL 2 pipe, the manufacturer shall establish and follow documented procedures for maintaining the heat identity and the test-unit identity for such pipe. Such procedures shall provide means for tracing any length of pipe to the proper test unit and the related chemical test results.

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High-quality comes 1st; assistance is foremost; business enterprise is cooperation is our business enterprise philosophy which is constantly observed and pursued by our business for OEM Supply Repairing Sewer Line - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral , The product will supply to all over the world, such as: moldova, Bangladesh, Southampton, Should any of these items be of interest to you, please let us know. We'll be satisfied to give you a quotation upon receipt of one's detailed specifications. We have our personal experienced R&D enginners to meet any of one's requriements, We appear forward to receiving your enquires soon'and hope to have the opportunity to work together with you in the future. Welcome to check out our company.

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