Stainless Steel Welded Pipes And Its Specification

By Author: Santosh Steels
Total Articles: 12
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Stainless Steel Welded Pipes and Its specification
Stainless Steel Welded Pipes are created by joining two opposite edges of flat iron strip. S.S Welded Pipe can be shortening as welded pipe I usually welded after the steel or steel belt is rolled by the unit and the mold.
Welded Pipe is produced from a strip that is rolled and welded to produce a tube. S.S welded pipe production process is simple, High production efficiency, variety specifications, equipment investment, but the general strength is lower than the seamless steel pipe.
Welded pipes can withstand 20% less working pressure than seamless pipes. This metal is more preferred in Automobile Industry, Aerospace, and electronics industries where the budget is comparatively low.
Manufacturing Process
S.S welded pipes are manufactured by joining together opposite edges of a flat iron strip. The metal is set through very high heat, and then passed through a groove and a rolling mill.
Thin iron heat are heated and passed through a cone shaped opening which force its edge to curl and create a pipe structure. The edges are then folded and ...
... welded together to finish the pipe.
Salient Features
• Corrosion Resistant
• High Strength
• Highly Durable
• Temperature and Pressure Resistant
• Available in various specification
Applications
• Heat Exchangers
• Sugar Mills, Diaries, Food Processing
• Pharmaceutical
• Petro chemical Company
• Power Plants
• Paper & Pulp Manufacturer
• Furniture and Interior Decoration
• Oi & Gas Company
Stainless Steel Welded Pipes Specification
Specification Description
ASTM A 240 This specification covers chromium, chromium-nickel, and chromium-manganese-nickel stainless-steel plate, sheet, and strip for pressure vessels and for general applications.
ASTM A 312 This specification covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless-steel pipe intended for high-temperature and general corrosive service.
ASTM A 358 This specification covers electric-fusion-welded austenitic chromium-nickel stainless-steel pipe suitable for corrosive or high-temperature service, or both, or for general applications.
ASTM A 778 This specification covers straight seam and spiral butt seam welded austenitic stainless-steel tubular products intended for low and moderate temperatures and corrosive service where heat treatment isn't necessary for corrosion resistance.

ASTM A312 vs ASTM A358
What is ASTM A312?
ASTM A312 could be a specification for seamless and welded austenitic stainless-steel pipes that perform well in high temperature and corrosive environments. The common grades for this specification are 304/304L and 316/316L.
What is ASTM A358?
ASTM A358 could be a specification for electric-fusion-welded austenitic stainless-steel pipe that performs well in high-temperature industrial applications.

Stainless steel is an iron-based alloy that sometimes contains chromium and other elements that enhance material properties. Stainless-steel offers high resistance to corrosion and oxidation at higher temperatures.

Generally, quite 90% of the stainless steel pipes consumed are welded ones. Low cost and simple manufacturing are the key reasons to blame for higher popularity of welded pipes over seamless pipes. The worldwide Stainless-Steel Welded Pipes market is predicted to register a CAGR of 4.5% over the forecast period (2018-2028) in terms of import.

Factors influencing the worldwide Stainless-Steel Welded Pipes Market Growth

Instrumentation equipment, automotive, industrial piping, water, food & beverage, petrochemicals and construction sectors need complex piping solutions, which are presented to them within the sort of welded Stainless-steel pipes. Although stainless-steel is far less corrosive and simple to fabricate, it's some disadvantages over carbon or low-carbon steel. Given its different applications, steel might not be an on the spot threat to chrome steel. However, with advancements in fabrication and welding technologies, steel may hamper the expansion of Stainless-steel welded pipes.

Santosh Steel Industry is one of the best manufacturer and Exporters of stainless-steel Welded pipes and tubes in India.

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