321 Stainless Steel Welded Tube

321 Stainless Steel Welded Tube

321 Stainless Steel Welded Tube is an austenitic grade known for its excellent heat and corrosion resistance. It is stabilized with titanium, enhancing its performance in temperatures up to 900°C. This tube is ideal for applications in the petrochemical, chemical, food processing, and pharmaceutical industries where high strength and resistance to scaling are required.
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Product Introduction

Ensuring the quality and reliability of raw materials for 321 Stainless Steel Welded Tubes during manufacturing involves several critical steps:

Raw Material Selection: High-quality raw materials such as nickel, chromium, and iron are carefully blended to achieve the desired chemical composition, which is essential for the tube's properties. The composition includes controlled levels of carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum, nickel, nitrogen, and stabilizing elements like titanium .

Melting and Casting: The raw materials are melted in electric furnaces under controlled conditions to ensure homogeneity and are then cast into semi-finished forms like blooms or billets .

Rolling and Shaping: These semi-finished steel forms undergo hot and cold rolling processes to achieve the desired dimensions and wall thickness, with strict dimensional controls in place .

Welding: For welded tubes, the edges of the steel strips are prepared and joined using advanced welding techniques that ensure the weld's integrity and strength. The welding process is closely monitored to prevent defects .

Heat Treatment: Annealing is performed, which may involve heating to a minimum temperature of 1900°F (1040°C) followed by quenching in water or rapid cooling to optimize the mechanical properties and corrosion resistance .

Type: Welded
Technique: Cold Drawn
Material: Stainless Steel
Surface Treatment: Polished
Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
Section Shape: Round

product-750-750

Q:Are you trading company or manufacturer ?

A: We are professional manufacturer for steel pipe, and our company also is a very professional trading company for steel products. We can also provide a wide range of steel products.

Q: Will you delivery the goods on time?
A: Yes, we promise to provide best quality products and delivery on time. Honesty is our company's tenet

Q: Do you provide samples? Is it free or extra?
A: The sample could can provide for customer with free, but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?
A: Yes, absolutely we accept

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