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SSAW pipe full name is Spiral Submerged arc welding pipe

SSAW welding method The welding rod welding process is a method of the surface submerged welding process. Welded pipes are made of older plates or hot-rolled coils, which can significantly reduce production costs

Additional information

Product Details:

SSAW pipe’s full name is Spiral Submerged arc welding pipe. The pipe is formed by spiral submerged arc welding technology which is called SSAW pipe. Generally speaking, when it comes to the same standard and steel grade, the price of SSAW pipe is cheaper or lower than ERW pipe and LSAW pipe. The strength is higher than the straight seam welded pipe. Produce large pipelines suitable for transporting large amounts of oil and natural gas.

Name: SSAW Pipe

Steel Grade:
ASTM A53: Gr. A, Gr. B, Gr. C, Gr. D;
API 5L: A, B, X42, X46, X52, X56, X60, X65, X70
EN10217: S355JRH, ST44, ST37, ST52
Standard: API 5L, ASTM A53, ASTM A252, EN10217
Specifications:
Outside Diameter: 219.1 mm – 2540mm (8″-100″);
Wall Thickness: 6mm – 25.4mm;
Length: 6- 22 m

Applications: SSAW steel pipe is widely used in oil, natural gas, water, and nonflammable liquid conveying and distribution pipelines, structures for construction, and other purposes due to the wide size range.

The advantages of SSAW steel pipe:

high productivity. On the one hand, the length of the welding wire is shortened, and the current and current density is increased, thereby greatly improving the penetration depth of the arc and the deposition efficiency of the welding wire. Generally, the penetration depth of one side without slotting can reach 20mm. On the other hand, due to the thermal insulation effect of flux and slag, there is basically no heat radiation loss in the arc, and the welding spatter is also very small. Although the heat loss of molten flux has increased, the overall thermal efficiency is still greatly improved.
The weld seam is of high quality. The air slag protection effect is good, the welding parameters can be automatically adjusted and stabilized, the technical level of the welder is not high, the welding seam composition is stable, and the mechanical performance is good.
Good working conditions. In addition to reducing the labor intensity of manual welding operations, it has no arc radiation, which is a unique advantage of submerged arc welding.

Disadvantages of SSAW steel pipe:
The flexibility of submerged arc welding is not as good as manual welding and is generally only suitable for the horizontal position or small slope welds. The edge preparation and assembly quality of the workpiece requires higher quality, which requires more work time. Due to the use of submerged arc welding, we cannot see the formation process of the molten pool and the weld seam, so the welding specifications must be strictly controlled.

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