2 Inch Square Tubing

2 Inch Square Tubing Has Different Application Scopes

Square tube specifications are 20x1.6~500x16, and rectangular tube specifications are 30x20x1.5~610x400x16.

Its applicable scope and cross-sectional specifications are as follows:

Welding method: high-frequency resistance welding, arc welding, or other methods

Cross-sectional classification: round (y), square (f), rectangular (j), special-shaped (yi)

Specification range (mm):

• Circular diameter 21.3~610, wall thickness 1.2~16, tolerance ±0.5~±6.1
• Square diameter 20~500, wall thickness 1.2~16, tolerance ±0.5~±4.0
• Rectangular diameter 30x20~610x400, wall thickness 1.5~16, tolerance ±0.5~±4.0

Classification by allowable deviation:

• Ordinary grade, plate length: 4000~12000+7.0
• Precision grade, plate length: 4000~6000+5.0
• Plate length: 6000~12000±10.0
• Wall thickness allowable deviation: t<10mm±10%, t>10mm±8%

1. Our 2 inch square tubing is bright annealed, internal welds removed, and precision polished. The particle size of the tube can be less than 0.3μm.

2. We have non-destructive testing (NDT), such as online eddy current testing and hydraulic or air tightness testing.

3. Thick welds and good appearance. The mechanical properties of the tube can be tested.

4. The raw materials come from TISCO, Baotou Steel

5. Our tubes are ISO 9001:2015 certified.

6. Full material traceability is guaranteed during the manufacturing process.

7. Polished tubes are supplied in separate plastic sleeves with caps on both ends to ensure optimal cleanliness.

8. Inner hole: The inner hole of the tube is smooth, clean, and gap-free.

9. Market leading quality products.

1. According to the production process:

Hot-rolled square steel tube: produced by hot rolling process, with rough surface and thicker tube wall, suitable for load-bearing structures.

Cold-drawn square steel tube: produced by cold drawing process, with smooth surface, high dimensional accuracy, and suitable for precision processing.

2. According to the material:

Carbon steel square tube: such as Q235, Q345, widely used in construction and machinery manufacturing.

Stainless steel square tube: such as 304, 316, etc., used in occasions with corrosion resistance requirements.

Alloy steel square tube: used for special performance requirements, such as high strength, high temperature resistance, etc.

3. According to surface treatment classification:

Galvanized square steel tube: galvanized surface, better corrosion resistance.Color-coated square steel pipe: The surface is painted, beautiful and rust-proof.

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