Notes before purchase large diameter seamless pipe

If you do not have ideas about the large diameter seamless pipe then it is very hard to buy one with good quality.Therefore,it is very important to know about it before purchasing.

1. Must not have seam on pipe body.

The seamless pipe must not have weld seam (some people remove the seam in an undetectable way and be careful of this). Large diameter seamless pipe shall be constructed in a specific process. Raw material should be a solid and round billet. Then, the billet is heated at a very high temperature but one should be careful while doing so because if the temperature rises to melting point then billet may melt. The billet after heating is stretched and pulled over until it takes the shape of a hollow tube. As the welded pipes are conventional, your contractor may suggest you to buy the welded ones but you have to be very careful and choose the seamless large pipe.

3PE anticorrosion insulated steel pipe

3PE anticorrosion insulated steel pipe

2. Roundness shall be noted

The next thing is the uniformity of shape of the seamless pipe. As the welded seam pipes are wrapped around another form before welding and as welding needs stress, heat and other external variables for the whole process of forming, it is very tough to get a welded pipe that is exactly round in shape. The seamless steel pipe is the continuous extrusion of alloy which signifies that you will just a get a round cross section that is necessary when you are using them for any construction process or installing pipes.

ASTM A179 seamless carbon pipe

ASTM A179 seamless carbon pipe

3. Large Seamless pipe bear big pressure than large welded pipe

The strength of the seamless pipe is more than the welded pipes. Well, you might find it quite expensive but, trust our examination; this is more reliable even under pressure. The welded pipes have the chance to break when in pressure but you can trust the large diameter seamless pipe without any doubt. The empty pipes always support of its own weight but when the pipe is filled with material or under load, it also supports the weight as well. Mostly leaks and pipe failures occur in case of the welded pipes. The seamless pipes does not have the seam hence, there is no chance of pipe failure.

Steel pipes coating with intergard 475HS epoxy

Steel pipes coating with intergard 475HS epoxy

4. Big diameter seamless pipe can working in harsh conditions

One of the best attributes of the seamless large pipes is that,it has the capability to work under extremely cold or extremely hot environment whereas,it is quite impossible for the welded pipes to work in extremely harsh condition.

Our company Hebei Haihao Group is a professional seamless pipes and pipe fittings manufacturer over 30 years in China.We can produce steel pipe and pipe fittings with different materials and good quality.So if you had interests,you can feel free to contact



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