Galvanized Steel

High-quality galvanized steel coated with zinc for rust protection. Suitable for both interior and exterior structures, including galvanized steel box sections. Corrosion-resistant, weatherproof, and available in various sizes. Shop at OneStockHome with fast nationwide delivery.

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🔥 Today's Galvanized Steel prices 🔥 as of 7 November 2026

GI square tube25.87THB/kgTIS, 1x1", 1.7 mm
GI square tube (best seller)25.90THB/kgTIS, 2x2", 2.3 mm
GI rectangular tube24.88THB/kg2x1", 1 mm
GI rectangular tube (best seller)25.78THB/kgTIS, 2x1", 1.4 mm

Categories

Pre Zinc GI Square Steel Pipes 1/2x1/2 inch

Pre Zinc GI Square Steel Pipes 3/4x3/4 inch

Pre Zinc GI Square Steel Pipes 1x1 inch

Pre Zinc GI Square Steel Pipes 1 1/4x1 1/4 inch

Pre Zinc GI Square Steel Pipes 1 1/2x1 1/2 inch

Pre Zinc GI Square Steel Pipes 1 1/2x3/4 inch

Pre Zinc GI Square Steel Pipes 2x1 inch

Pre Zinc GI Square Steel Pipes 2x2 inch

Pre Zinc GI Square Steel Pipes 3x1 1/2 inch

Categories

ThicknessTISWeight/PiecesPrice/kgPrice/Pieces

Square Tube Galvanized GI 1/2x1/2 inches1 thicknesses · ฿ 72.90

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1.2 mm thickTIS2.5฿ 29.162.5 kg/Pieces · ฿ 29.16/kg฿ 72.90

Square Tube Galvanized GI 3/4x3/4 inches2 thicknesses · ฿ 99.07 – ฿ 115.42

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1.2 mm thickTIS3.7฿ 26.783.7 kg/Pieces · ฿ 26.78/kg฿ 99.07

1.4 mm thickTIS4.4฿ 26.234.4 kg/Pieces · ฿ 26.23/kg฿ 115.42

Square Tube Galvanized GI 1x1 inches6 thicknesses · ฿ 116.82 – ฿ 227.10

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1.1 mm thickTIS4.4฿ 26.554.4 kg/Pieces · ฿ 26.55/kg฿ 116.82

1.2 mm thickTIS4.8฿ 26.294.8 kg/Pieces · ฿ 26.29/kg฿ 126.17

1.4 mm thickTIS5.6฿ 26.125.6 kg/Pieces · ฿ 26.12/kg฿ 146.26

1.7 mm thickTIS6.7฿ 25.876.7 kg/Pieces · ฿ 25.87/kg฿ 173.36

2 mm thickTIS7.6฿ 25.957.6 kg/Pieces · ฿ 25.95/kg฿ 197.20

2.3 mm thickTIS8.7฿ 26.108.7 kg/Pieces · ฿ 26.10/kg฿ 227.10

Square Tube Galvanized GI 1.25x1.25 inches4 thicknesses · ฿ 161.21 – ฿ 305.61

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1.2 mm thickTIS6.2฿ 26.006.2 kg/Pieces · ฿ 26.00/kg฿ 161.21

1.4 mm thickTIS7.4฿ 25.957.4 kg/Pieces · ฿ 25.95/kg฿ 192.06

1.7 mm thickTIS8.8฿ 25.498.8 kg/Pieces · ฿ 25.49/kg฿ 224.30

2.3 mm thickTIS11.7฿ 26.1211.7 kg/Pieces · ฿ 26.12/kg฿ 305.61

Square Tube Galvanized GI 1.5x0.75-inch1 thicknesses · ฿ 157.01

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1.2 mm thickTIS5.9฿ 26.615.9 kg/Pieces · ฿ 26.61/kg฿ 157.01

Square Tube Galvanized GI 1.5x1.5 inches8 thicknesses · ฿ 190.65 – ฿ 357.94

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1.2 mm thickTIS7.4฿ 25.767.4 kg/Pieces · ฿ 25.76/kg฿ 190.65

1.4 mm thickTIS8.7฿ 25.788.7 kg/Pieces · ฿ 25.78/kg฿ 224.30

1.7 mm thickTIS10.3฿ 25.4110.3 kg/Pieces · ฿ 25.41/kg฿ 261.68

2 mm thickTIS12.3฿ 25.6812.3 kg/Pieces · ฿ 25.68/kg฿ 315.89

2.3 mm thickTIS13.7฿ 26.1313.7 kg/Pieces · ฿ 26.13/kg฿ 357.94

0.8 mm thick5.5–5.5 kg/Pieces–Ask for price

1 mm thick6.8–6.8 kg/Pieces–Ask for price

3.2 mm thickTIS19.3–19.3 kg/Pieces–Ask for price

Galvanized Rectangular Pipe GI 2x1 inches6 thicknesses · ฿ 169.16 – ฿ 355.14

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1 mm thick (actual 0.9 mm)6.8฿ 24.886.8 kg/Pieces · ฿ 24.88/kg฿ 169.16

1.2 mm thickTIS7.4฿ 25.767.4 kg/Pieces · ฿ 25.76/kg฿ 190.65

1.4 mm thickTIS8.7฿ 25.788.7 kg/Pieces · ฿ 25.78/kg฿ 224.30

1.7 mm thickTIS10.3฿ 25.5010.3 kg/Pieces · ฿ 25.50/kg฿ 262.62

2 mm thickTIS12.2฿ 25.8212.2 kg/Pieces · ฿ 25.82/kg฿ 314.95

2.3 mm thickTIS13.7฿ 25.9213.7 kg/Pieces · ฿ 25.92/kg฿ 355.14

Square Tube Galvanized GI 2x2 inches7 thicknesses · ฿ 261.68 – ฿ 670.09

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1.2 mm thickTIS10.1฿ 25.9110.1 kg/Pieces · ฿ 25.91/kg฿ 261.68

1.4 mm thickTIS11.7฿ 25.7211.7 kg/Pieces · ฿ 25.72/kg฿ 300.93

1.7 mm thickTIS13.8฿ 25.8013.8 kg/Pieces · ฿ 25.80/kg฿ 356.07

2 mm thickTIS16.4฿ 25.8116.4 kg/Pieces · ฿ 25.81/kg฿ 423.36

2.3 mm thickTIS18.4฿ 25.9018.4 kg/Pieces · ฿ 25.90/kg฿ 476.64

3.2 mm thickTIS25฿ 26.8025 kg/Pieces · ฿ 26.80/kg฿ 670.09

1 mm thick8.9–8.9 kg/Pieces–Ask for price

Galvanized Rectangular Pipe GI 3x1.5 inches7 thicknesses · ฿ 262.62 – ฿ 795.33

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1 mm thick (actual 0.9 mm)10.3฿ 25.5010.3 kg/Pieces · ฿ 25.50/kg฿ 262.62

1.2 mm thickTIS11.4฿ 25.5011.4 kg/Pieces · ฿ 25.50/kg฿ 290.65

1.4 mm thickTIS13.3฿ 27.5513.3 kg/Pieces · ฿ 27.55/kg฿ 366.36

1.7 mm thickTIS15.9฿ 25.5715.9 kg/Pieces · ฿ 25.57/kg฿ 406.54

2 mm thickTIS18.9฿ 25.6618.9 kg/Pieces · ฿ 25.66/kg฿ 485.05

2.3 mm thickTIS21฿ 27.8621 kg/Pieces · ฿ 27.86/kg฿ 585.05

3.2 mm thickTIS29.7฿ 26.7829.7 kg/Pieces · ฿ 26.78/kg฿ 795.33

Square Tube Galvanized GI 3x3 inches4 thicknesses · ฿ 463.55 – ฿ 1,035.51

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1.4 mm thickTIS18.1฿ 25.6118.1 kg/Pieces · ฿ 25.61/kg฿ 463.55

1.7 mm thickTIS21.3฿ 25.8021.3 kg/Pieces · ฿ 25.80/kg฿ 549.53

2.3 mm thickTIS28.1฿ 26.1128.1 kg/Pieces · ฿ 26.11/kg฿ 733.64

3.2 mm thickTIS39฿ 26.5539 kg/Pieces · ฿ 26.55/kg฿ 1,035.51

Galvanized Rectangular Pipe GI 4x2 inches6 thicknesses · ฿ 386.92 – ฿ 1,041.12

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1.2 mm thickTIS15.1฿ 25.6215.1 kg/Pieces · ฿ 25.62/kg฿ 386.92

1.4 mm thickTIS17.8฿ 25.7317.8 kg/Pieces · ฿ 25.73/kg฿ 457.94

1.7 mm thickTIS21.2฿ 25.7021.2 kg/Pieces · ฿ 25.70/kg฿ 544.86

2 mm thickTIS25.1฿ 25.7725.1 kg/Pieces · ฿ 25.77/kg฿ 646.73

2.3 mm thickTIS28.1฿ 27.7428.1 kg/Pieces · ฿ 27.74/kg฿ 779.44

3.2 mm thickTIS39.3฿ 26.4939.3 kg/Pieces · ฿ 26.49/kg฿ 1,041.12

Square Tube Galvanized GI 4x4 inches5 thicknesses · ฿ 746.73 – ฿ 1,428.04

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1.7 mm thickTIS28.6฿ 26.1128.6 kg/Pieces · ฿ 26.11/kg฿ 746.73

2 mm thickTIS33.8฿ 25.9633.8 kg/Pieces · ฿ 25.96/kg฿ 877.57

2.3 mm thickTIS38.2฿ 27.3538.2 kg/Pieces · ฿ 27.35/kg฿ 1,044.86

3.2 mm thickTIS53฿ 26.9453 kg/Pieces · ฿ 26.94/kg฿ 1,428.04

1.4 mm thickTIS24.2–24.2 kg/Pieces–Ask for price

Galvanized Rectangular Pipe GI 5x2 inches4 thicknesses · ฿ 654.21 – ฿ 1,247.66

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1.7 mm thickTIS25.1฿ 26.0625.1 kg/Pieces · ฿ 26.06/kg฿ 654.21

2 mm thickTIS29.5฿ 26.0429.5 kg/Pieces · ฿ 26.04/kg฿ 768.22

2.3 mm thickTIS33.6฿ 26.1233.6 kg/Pieces · ฿ 26.12/kg฿ 877.57

3.2 mm thickTIS46.3฿ 26.9546.3 kg/Pieces · ฿ 26.95/kg฿ 1,247.66

Galvanized Rectangular Pipe GI 5x3 inches1 thicknesses · ฿ 1,422.43

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3.2 mm thickTIS52.5฿ 27.0952.5 kg/Pieces · ฿ 27.09/kg฿ 1,422.43

Square Tube Galvanized GI 5x5 inches3 thicknesses · ฿ 1,280.37 – ฿ 1,832.71

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2.3 mm thickTIS48.2฿ 26.5648.2 kg/Pieces · ฿ 26.56/kg฿ 1,280.37

3.2 mm thickTIS67฿ 27.3567 kg/Pieces · ฿ 27.35/kg฿ 1,832.71

2.5 mm thickTIS55–55 kg/Pieces–Ask for price

Galvanized Rectangular Pipe GI 6x2 inches4 thicknesses · ฿ 746.73 – ฿ 1,422.43

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1.7 mm thickTIS28.6฿ 26.1128.6 kg/Pieces · ฿ 26.11/kg฿ 746.73

2 mm thickTIS33.8฿ 25.9633.8 kg/Pieces · ฿ 25.96/kg฿ 877.57

2.3 mm thickTIS38.2฿ 26.1038.2 kg/Pieces · ฿ 26.10/kg฿ 997.20

3.2 mm thickTIS52.7฿ 26.9952.7 kg/Pieces · ฿ 26.99/kg฿ 1,422.43

Galvanized Rectangular Pipe GI 6x3 inches1 thicknesses · Ask

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2.7 mm thick56.94–56.94 kg/Pieces–Ask for price

Galvanized Rectangular Pipe GI 6x4 inches1 thicknesses · Ask

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3.2 mm thickTIS67–67 kg/Pieces–Ask for price

Square Tube Galvanized GI 6x6 inches2 thicknesses · ฿ 1,739.25 – ฿ 2,240.19

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2.5 mm thickTIS64฿ 27.1864 kg/Pieces · ฿ 27.18/kg฿ 1,739.25

3.2 mm thickTIS80.5฿ 27.8380.5 kg/Pieces · ฿ 27.83/kg฿ 2,240.19

Galvanized Rectangular Pipe GI 8x2 inches1 thicknesses · Ask

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2.7 mm thick63.54–63.54 kg/Pieces–Ask for price

Galvanized Rectangular Pipe GI 8x4 inches1 thicknesses · ฿ 2,348.60

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3.2 mm thickTIS81฿ 29.0081 kg/Pieces · ฿ 29.00/kg฿ 2,348.60

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Square Pipe ASTM A500 Square Pipe AS1163 Square Pipe BS EN10219 Square Pipe JIS G3466 Square Pipe TIS107

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Prezinc GI Square Tube Steel

GI Steel Square Pipes are made of GI coil formed into square tubes.

The zinc layer on galvanized square tube steel's surface is used to prevent further corrosion of the base metal and ensures a long service life of material. Due to its excellent corrosion resistance of the galvanized. Common used for building and construction such as ceilings, verandas, rolling doors, partitions sheds, gutters, wall, underground pipping, sashes, beams fences and part of indoor decorations.