904L Seamless Steel Tube Square

Composition and Alloying Elements:

The 904L stainless steel composition includes significant amounts of chromium, nickel, molybdenum, and a small but crucial addition of copper.

The chemical composition typically includes: C ≤ 0.02, Si ≤ 1.00, Mn ≤ 2.00, P ≤ 0.045, S ≤ 0.035, Cr 19.00_{23.00, Ni 23.00}28.00, Mo 4.0_{5.0, Cu 1.00}2.00.

Corrosion Resistance:

The high chromium and nickel content, combined with the addition of molybdenum and copper, provide excellent corrosion resistance in a wide range of environments.

It exhibits superior resistance to chloride-induced interstitial corrosion and stress corrosion cracking.

It maintains good corrosion resistance in dilute sulfuric acid and pure phosphoric acid within certain concentration ranges.

Dimensional Range:

The seamless steel tube square is available in various sizes, with outer diameter ranges typically from 5x5 mm up to 150x150 mm (or even larger depending on custom specifications).

Wall thicknesses can vary, but common ranges are generally between 0.4~6.0 mm.

Form and Finish:

The tubes are produced in a seamless form, ensuring a smooth interior surface that is less prone to corrosion and fluid flow restrictions.

They can be supplied with a bright annealed finish, inside weld bead removal, and precise polishing, achieving a roughness under 0.3μm.

Q1: Could you provide the compliment samples?
A: Yes, we could provide the free samples on condition that it is available in stocks, however,the transportation fee is borne by buyer.
Q2: How could you guarantee your products quality?
A: Each piece of products is manufactured by certified workshops, inspected by us piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.

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