Manufacturer Of Underground Gas Line - Api 5l Line Pipes Grade B To X70 Od From 219mm To 3500mm – Spiral

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Based on domestic market and expand overseas business is our development strategy for China X42 SSAW Pipe , Astm A252 Pipe Sizes , Line Freeze , We never stop improving our technique and quality to keep up with the development trend of this industry and meet your satisfaction well. If you are interested in our products, please contact us freely.

Manufacturer Of Underground Gas 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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With our leading technology at the same time as our spirit of innovation,mutual cooperation, benefits and advancement, we will build a prosperous future with each other with your esteemed firm for Manufacturer Of Underground Gas 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: Kenya, Greek, Atlanta, Hard work to keep making progress, innovation in the industry, make every effort to first-class enterprise. We try our best to build the scientific management model, to learn abundant experienced knowledge, to develop advanced production equipment and production process , to create the first-call quality goods, reasonable price , high quality of service , quick delivery , to present you create new value .

A252 GRADE 3 Steel Pipe