OEM/ODM Factory The Pipe Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral

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We can always satisfy our respected customers with our good quality, good price and good service due to we are more professional and more hard-working and do it in cost-effective way for X70 SSAW Line Pipe Manufacturers , Gas Pipe Line Fitting , S235 J0 Spiral Steel Pipe Manufacturer , We welcome new and previous buyers from all walks of life to make contact with us for upcoming organization associations and mutual good results!

OEM/ODM Factory The Pipe Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral Detail:

Mechanical Property

	Grade A	Grade B	Grade C	Grade D	Grade E
Yield strength, min, Mpa(KSI)	330(48)	415(60)	415(60)	415(60)	445(66)
Tensile strength, min, Mpa(KSI)	205(30)	240(35)	290(42)	315(46)	360(52)

Chemical Composition

Element	Composition, Max, %
Element	Grade A	Grade B	Grade C	Grade D	Grade E
Carbon	0.25	0.26	0.28	0.30	0.30
Manganese	1.00	1.00	1.20	1.30	1.40
Phosphorus	0.035	0.035	0.035	0.035	0.035
Sulfur	0.035	0.035	0.035	0.035	0.035

Hydrostatic Test

Each length of pipe shall be tested by the manufacturer to a hydrostatic pressure that will produce in the pipe wall a stress of not less than 60% of the specified minimum yield strength at room temperature. The pressure shall be determined by the following equation:
P=2St/D

Permissible Variations In Weights and Dimensions

Each length of pipe shall be weighed separately and its weight shall not vary more than 10% over or 5.5% under its theoretical weight, calculated using its length and its weight per unit length.
The outside diameter shall not vary more than ±1% from the specified nominal outside diameter.
Wall thickness at any point shall not more than 12.5% under the specified wall thickness.

Length

Single random lengths: 16 to 25ft(4.88 to 7.62m)
Double random lengths: over 25ft to 35ft(7.62 to 10.67m)
Uniform lengths: permissible variation ±1in

Ends

Pipe piles shall be furnished with plain ends, and the burrs at the ends shall be removed
When the pipe end specified to be bevel ends, the angle shall be 30 to 35 degree

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We pursue the administration tenet of Quality is remarkable, Services is supreme, Status is first, and will sincerely create and share success with all customers for OEM/ODM Factory The Pipe Line - Helical-seam carbon steel pipes ASTM A139 Grade A, B, C – Spiral , The product will supply to all over the world, such as: Poland, Namibia, Islamabad, We solution have passed through the national skilled certification and been well received in our key industry. Our specialist engineering team will often be ready to serve you for consultation and feedback. We've been able to also provide you with no cost samples to meet your needs. Best efforts are going to be produced to supply you the very best service and solutions. For anyone who is considering our business and solutions, please speak to us by sending us emails or get in touch with us right away. As a way to know our items and enterprise. lot more, you'll be able to come to our factory to find out it. We'll constantly welcome guests from around the globe to our firm. o build enterprise. elations with us. You should really feel absolutely free to make contact with us for small business and we believe we'll share the top trading practical experience with all our merchants.

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Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!

By Carey from Namibia - 2018.12.10 19:03

Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.

By Phoenix from French - 2018.12.30 10:21

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