Square Steel Tube

Square Steel Tube is a welded structural grade tubing that is available in either type A513 or A500 Grade B, depending on it's size and wall thickness. Either grade is ideal for all structural applications, general fabrication, manufacturing and repairs. Steel Square Tube is widely used in industrial maintenance, agricultural implements, transportation equipment, truck beds, trailers, frames, etc. It's box-shape configuration allows for much greater strength and rigidity compared to angles or channels. This steel shape is easy to weld, cut, form and machine with the proper equipment and knowledge. Metals Depot stocks hundreds of sizes of square tube at wholesale prices in ready to ship precut and mill lengths or you can order just what you need custom Cut to Size in any quantity.

About

SPECIFICATIONS:

ASTM A513 (1020-1026)
ASTM A500 Grade B

FINISH:

A513 - Dark Blue/Black, smooth slight oil coating
A500 - Blue/Dark Gray, slightly grainy, dry

CHARACTERISTICS:

Welding = Excellent
Machining / Grinding = Good
Bending / Forming = Fair
Wear Resistance = Fair
Corrosion Resistance = Poor

MECHANICAL PROPERTIES:

Yield Point = 62 ksi (A513); 46 ksi (A500)
Tensile Strength = 72 ksi (A513); 58 ksi (A500)
Elongation in 2" = 10% (A513); 23% (A500)
Outside Corner Radius = 3X wall max.
*Data provided for reference only

AVAILABLE STOCK SIZES:

2ft, 4ft. 6ft, 8ft, 12ft, 24ft, or Cut to Size
Stock lengths may vary +/- 1/4"

HOW TO MEASURE:

Height (A) X Width (B) X Wall Thickness (C) X Length

About

SPECIFICATIONS:

ASTM A513 (1020-1026)
ASTM A500 Grade B

FINISH:

A513 - Dark Blue/Black, smooth slight oil coating
A500 - Blue/Dark Gray, slightly grainy, dry

CHARACTERISTICS:

Welding = Excellent
Machining / Grinding = Good
Bending / Forming = Fair
Wear Resistance = Fair
Corrosion Resistance = Poor

MECHANICAL PROPERTIES:

AVAILABLE STOCK SIZES:

2ft, 4ft. 6ft, 8ft, 12ft, 24ft, or Cut to Size
Stock lengths may vary +/- 1/4"

HOW TO MEASURE:

Height (A) X Width (B) X Wall Thickness (C) X Length

California Residents Warning!

Product / Size / Weight / Stock

Product / Size / Weight / Stock
Select Size & Quantity to Add to Cart

Stock Number

Item Size & Description

Weight / Ft.

Select Size

QTY

Price

Add to Cart

T11218 1/2 X 1/2 X 18 GA (.049 wall)
A513 Square Steel Tube

T11218

1/2 X 1/2 X 18 GA (.049 wall)
A513 Square Steel Tube

0.31 lb

Select a Size 0.00

Weight: 0.31 lb/ft

Add To Cart

T11216 1/2 X 1/2 X 16 GA (.065 wall)
A513 Square Steel Tube

T11216

1/2 X 1/2 X 16 GA (.065 wall)
A513 Square Steel Tube

0.39 lb

Select a Size 0.00

Weight: 0.39 lb/ft

Add To Cart

T15816 5/8 x 5/8 x 16GA (.065 wall)
A513 Square Steel Tube

T15816

5/8 x 5/8 x 16GA (.065 wall)
A513 Square Steel Tube

0.50 lb

Select a Size 0.00

Weight: 0.50 lb/ft

Add To Cart

T13416 3/4 X 3/4 X 16 GA (.065 wall)
A513 Square Steel Tube

T13416

3/4 X 3/4 X 16 GA (.065 wall)
A513 Square Steel Tube

0.60 lb

Select a Size 0.00

Weight: 0.60 lb/ft

Add To Cart

T13414 3/4 X 3/4 X 14 GA (.083 wall)
A513 Square Steel Tube

T13414

3/4 X 3/4 X 14 GA (.083 wall)
A513 Square Steel Tube

0.75 lb

Select a Size 0.00

Weight: 0.75 lb/ft

Add To Cart

T13411 3/4 X 3/4 X 11 GA (.120 wall)
A513 Square Steel Tube

T13411

3/4 X 3/4 X 11 GA (.120 wall)
A513 Square Steel Tube

1.03 lb

Select a Size 0.00

Weight: 1.03 lb/ft

Add To Cart

T17816 7/8 X 7/8 X 16GA (.065 wall)
A513 Square Steel Tube

T17816

7/8 X 7/8 X 16GA (.065 wall)
A513 Square Steel Tube

0.72 lb

Select a Size 0.00

Weight: 0.72 lb/ft

Add To Cart

T11116 1 X 1 X 16GA (.065 wall)
A513 Square Steel Tube

T11116

1 X 1 X 16GA (.065 wall)
A513 Square Steel Tube

0.82 lb

Select a Size 0.00

Weight: 0.82 lb/ft

Add To Cart

T11114 1 X 1 X 14 GA (.083 wall)
A513 Square Steel Tube

T11114

1 X 1 X 14 GA (.083 wall)
A513 Square Steel Tube

1.04 lb

Select a Size 0.00

Weight: 1.04 lb/ft

Add To Cart

T11112 1 X 1 X 12 GA (.105 wall)
A513 Square Steel Tube

T11112

1 X 1 X 12 GA (.105 wall)
A513 Square Steel Tube

1.32 lb

Select a Size 0.00

Weight: 1.32 lb/ft

Add To Cart

T11111 1 X 1 X 11 GA (.120 wall)
A513 Square Steel Tube

T11111

1 X 1 X 11 GA (.120 wall)
A513 Square Steel Tube

1.44 lb

Select a Size 0.00

Weight: 1.44 lb/ft

Add To Cart

T111416 1-1/4 X 1-1/4 X 16GA (.065 wall)
A513 Square Steel Tube

T111416

1-1/4 X 1-1/4 X 16GA (.065 wall)
A513 Square Steel Tube

1.04 lb

Select a Size 0.00

Weight: 1.04 lb/ft

Add To Cart

T111414 1-1/4 x 1-1/4 x 14 GA (.083 wall)
A513 Square Steel Tube

T111414

1-1/4 x 1-1/4 x 14 GA (.083 wall)
A513 Square Steel Tube

1.32 lb

Select a Size 0.00

Weight: 1.32 lb/ft

Add To Cart

T111412 1-1/4 X 1-1/4 X 12 GA (.109 wall)
A513 Square Steel Tube

T111412

1-1/4 X 1-1/4 X 12 GA (.109 wall)
A513 Square Steel Tube

1.70 lb

Select a Size 0.00

Weight: 1.70 lb/ft

Add To Cart

T111411 1-1/4 X 1-1/4 X 11 GA (.120 wall)
A513 Square Steel Tube

T111411

1-1/4 X 1-1/4 X 11 GA (.120 wall)
A513 Square Steel Tube

1.80 lb

Select a Size 0.00

Weight: 1.80 lb/ft

Add To Cart

T1114316 1-1/4 X 1-1/4 X 3/16 wall
A500 Square Steel Tube

T1114316

1-1/4 X 1-1/4 X 3/16 wall
A500 Square Steel Tube

2.40 lb

Select a Size 0.00

Weight: 2.40 lb/ft

Add To Cart

T111216 1-1/2 X 1-1/2 X 16GA (.065 wall)
A513 Square Steel Tube

T111216

1-1/2 X 1-1/2 X 16GA (.065 wall)
A513 Square Steel Tube

1.26 lb

Select a Size 0.00

Weight: 1.26 lb/ft

Add To Cart

T111214 1-1/2 X 1-1/2 X 14 GA (.083 wall)
A513 Square Steel Tube

T111214

1-1/2 X 1-1/2 X 14 GA (.083 wall)
A513 Square Steel Tube

1.67 lb

Select a Size 0.00

Weight: 1.67 lb/ft

Add To Cart

T111212 1-1/2 X 1-1/2 X 12 GA (.109 wall)
A513 Square Steel Tube

T111212

1-1/2 X 1-1/2 X 12 GA (.109 wall)
A513 Square Steel Tube

2.07 lb

Select a Size 0.00

Weight: 2.07 lb/ft

Add To Cart

T111211 1-1/2 X 1-1/2 X 11 GA (.120 wall)
A513 Square Steel Tube

T111211

1-1/2 X 1-1/2 X 11 GA (.120 wall)
A513 Square Steel Tube

2.22 lb

Select a Size 0.00

Weight: 2.22 lb/ft

Add To Cart

T1112316 1-1/2 X 1-1/2 X 3/16 wall
A500 Square Steel Tube

T1112316

1-1/2 X 1-1/2 X 3/16 wall
A500 Square Steel Tube

3.04 lb

Select a Size 0.00

Weight: 3.04 lb/ft

Add To Cart

T1112250 1-1/2 X 1-1/2 X 1/4 wall
A500 Square Steel Tube

T1112250

1-1/2 X 1-1/2 X 1/4 wall
A500 Square Steel Tube

4.07 lb

Select a Size 0.00

Weight: 4.07 lb/ft

Add To Cart

T113414 1-3/4 X 1-3/4 X 14 GA (.083 wall)
A513 Square Steel Tube

T113414

1-3/4 X 1-3/4 X 14 GA (.083 wall)
A513 Square Steel Tube

1.88 lb

Select a Size 0.00

Weight: 1.88 lb/ft

Add To Cart

T113411 1-3/4 X 1-3/4 X 11 GA (.120 wall)
A513 Square Steel Tube

T113411

1-3/4 X 1-3/4 X 11 GA (.120 wall)
A513 Square Steel Tube

2.58 lb

Select a Size 0.00

Weight: 2.58 lb/ft

Add To Cart

T1134316 1-3/4 X 1-3/4 X 3/16 wall
A500 Square Steel Tube

T1134316

1-3/4 X 1-3/4 X 3/16 wall
A500 Square Steel Tube

3.68 lb

Select a Size 0.00

Weight: 3.68 lb/ft

Add To Cart

T12216 2 X 2 X 16GA (.065 wall)
A513 Square Steel Tube

T12216

2 X 2 X 16GA (.065 wall)
A513 Square Steel Tube

1.71 lb

Select a Size 0.00

Weight: 1.71 lb/ft

Add To Cart

T12214 2 X 2 X 14 GA (.083 wall)
A513 Square Steel Tube

T12214

2 X 2 X 14 GA (.083 wall)
A513 Square Steel Tube

2.14 lb

Select a Size 0.00

Weight: 2.14 lb/ft

Add To Cart

T12212 2 X 2 X 12 GA (.109 wall)
A500 Square Steel Tube

T12212

2 X 2 X 12 GA (.109 wall)
A500 Square Steel Tube

2.81 lb

Select a Size 0.00

Weight: 2.81 lb/ft

Add To Cart

T12211 2 X 2 X 11 GA (.120 wall)
A500 Square Steel Tube

T12211

2 X 2 X 11 GA (.120 wall)
A500 Square Steel Tube

2.94 lb

Select a Size 0.00

Weight: 2.94 lb/ft

Add To Cart

T122316 2 X 2 X 3/16 wall
A500 Square Steel Tube

T122316

2 X 2 X 3/16 wall
A500 Square Steel Tube

4.32 lb

Select a Size 0.00

Weight: 4.32 lb/ft

Add To Cart

T122250 2 X 2 X 1/4 wall
A500 Square Steel Tube

T122250

2 X 2 X 1/4 wall
A500 Square Steel Tube

5.41 lb

Select a Size 0.00

Weight: 5.41 lb/ft

Add To Cart

T121214 2-1/2 X 2-1/2 X 14 GA (.083 wall)
A500 Square Steel Tube

T121214

2-1/2 X 2-1/2 X 14 GA (.083 wall)
A500 Square Steel Tube

2.73 lb

Select a Size 0.00

Weight: 2.73 lb/ft

Add To Cart

T121212 2-1/2 X 2-1/2 X 12 GA (.105 wall)
A500 Square Steel Tube

T121212

2-1/2 X 2-1/2 X 12 GA (.105 wall)
A500 Square Steel Tube

3.55 lb

Select a Size 0.00

Weight: 3.55 lb/ft

Add To Cart

T121211 2-1/2 X 2-1/2 X 11 GA (.120 wall)
A500 Square Steel Tube

T121211

2-1/2 X 2-1/2 X 11 GA (.120 wall)
A500 Square Steel Tube

3.90 lb

Select a Size 0.00

Weight: 3.90 lb/ft

Add To Cart

T1212316 2-1/2 X 2-1/2 X 3/16 wall
A500 Square Steel Tube

T1212316

2-1/2 X 2-1/2 X 3/16 wall
A500 Square Steel Tube

5.59 lb

Select a Size 0.00

Weight: 5.59 lb/ft

Add To Cart

T1212238 2-1/2 X 2-1/2 X .238 wall (2.024" Inside)
A500 Square Telescopic Tube - Smooth Inside

T1212238

2-1/2 X 2-1/2 X .238 wall (2.024" Inside)
A500 Square Telescopic Tube - Smooth Inside

6.83 lb

Select a Size 0.00

Weight: 6.83 lb/ft

Add To Cart

T1212250 2-1/2 X 2-1/2 X 1/4 wall
A500 Square Steel Tube

T1212250

2-1/2 X 2-1/2 X 1/4 wall
A500 Square Steel Tube

7.50 lb

Select a Size 0.00

Weight: 7.50 lb/ft

Add To Cart

T133083 3 X 3 X 14 GA (.083) wall
A500 Square Steel Tube

T133083

3 X 3 X 14 GA (.083) wall
A500 Square Steel Tube

3.24 lb

Select a Size 0.00

Weight: 3.24 lb/ft

Add To Cart

T13318 3 X 3 X 11GA (.120 wall)
A500 Square Steel Tube

T13318

3 X 3 X 11GA (.120 wall)
A500 Square Steel Tube

4.58 lb

Select a Size 0.00

Weight: 4.58 lb/ft

Add To Cart

T133316 3 X 3 X 3/16 wall
A500 Square Steel Tube

T133316

3 X 3 X 3/16 wall
A500 Square Steel Tube

6.87 lb

Select a Size 0.00

Weight: 6.87 lb/ft

Add To Cart

T13314 3 X 3 X 1/4 wall
A500 Square Steel Tube

T13314

3 X 3 X 1/4 wall
A500 Square Steel Tube

8.81 lb

Select a Size 0.00

Weight: 8.81 lb/ft

Add To Cart

T13338 3 X 3 X 3/8 wall
A500 Square Steel Tube

T13338

3 X 3 X 3/8 wall
A500 Square Steel Tube

12.17 lb

Select a Size 0.00

Weight: 12.17 lb/ft

Add To Cart

T131218 3-1/2 X 3-1/2 X 11GA (.120 wall)
A500 Square Steel Tube

T131218

3-1/2 X 3-1/2 X 11GA (.120 wall)
A500 Square Steel Tube

5.68 lb

Select a Size 0.00

Weight: 5.68 lb/ft

Add To Cart

T1312316 3-1/2 X 3-1/2 X 3/16 wall
A500 Square Steel Tube

T1312316

3-1/2 X 3-1/2 X 3/16 wall
A500 Square Steel Tube

8.15 lb

Select a Size 0.00

Weight: 8.15 lb/ft

Add To Cart

T131214 3-1/2 X 3-1/2 X 1/4 wall
A500 Square Steel Tube

T131214

3-1/2 X 3-1/2 X 1/4 wall
A500 Square Steel Tube

10.51 lb

Select a Size 0.00

Weight: 10.51 lb/ft

Add To Cart

T131238 3-1/2 X 3-1/2 X 3/8 wall
A500 Square Steel Tube

T131238

3-1/2 X 3-1/2 X 3/8 wall
A500 Square Steel Tube

14.72 lb

Select a Size 0.00

Weight: 14.72 lb/ft

Add To Cart

T144083 4 X 4 X 14 GA (.083) wall
A500 Square Steel Tube

T144083

4 X 4 X 14 GA (.083) wall
A500 Square Steel Tube

4.32 lb

Select a Size 0.00

Weight: 4.32 lb/ft

Add To Cart

T14418 4 X 4 X 11GA (.120 wall)
A500 Square Steel Tube

T14418

4 X 4 X 11GA (.120 wall)
A500 Square Steel Tube

6.22 lb

Select a Size 0.00

Weight: 6.22 lb/ft

Add To Cart

T144316 4 X 4 X 3/16 wall
A500 Square Steel Tube

T144316

4 X 4 X 3/16 wall
A500 Square Steel Tube

9.42 lb

Select a Size 0.00

Weight: 9.42 lb/ft

Add To Cart

T14414 4 X 4 X 1/4 wall
A500 Square Steel Tube

T14414

4 X 4 X 1/4 wall
A500 Square Steel Tube

12.21 lb

Select a Size 0.00

Weight: 12.21 lb/ft

Add To Cart

T14438 4 X 4 X 3/8 wall
A500 Square Steel Tube

T14438

4 X 4 X 3/8 wall
A500 Square Steel Tube

17.27 lb

Select a Size 0.00

Weight: 17.27 lb/ft

Add To Cart

T14412 4 X 4 X 1/2 wall
A500 Square Steel Tube

T14412

4 X 4 X 1/2 wall
A500 Square Steel Tube

21.63 lb

Select a Size 0.00

Weight: 21.63 lb/ft

Add To Cart

T1412316 4-1/2 X 4-1/2 X 3/16 wall
A500 Square Steel Tube

T1412316

4-1/2 X 4-1/2 X 3/16 wall
A500 Square Steel Tube

10.70 lb

Select a Size 0.00

Weight: 10.70 lb/ft

Add To Cart

T141214 4-1/2 X 4-1/2 X 1/4 wall
A500 Square Steel Tube

T141214

4-1/2 X 4-1/2 X 1/4 wall
A500 Square Steel Tube

14.00 lb

Select a Size 0.00

Weight: 14.00 lb/ft

Add To Cart

T15511 5 X 5 X 11GA (.120) wall
A500 Square Steel Tube

T15511

5 X 5 X 11GA (.120) wall
A500 Square Steel Tube

8.16 lb

Select a Size 0.00

Weight: 8.16 lb/ft

Add To Cart

T155316 5 X 5 X 3/16 wall
A500 Square Steel Tube

T155316

5 X 5 X 3/16 wall
A500 Square Steel Tube

11.97 lb

Select a Size 0.00

Weight: 11.97 lb/ft

Add To Cart

T15514 5 X 5 X 1/4 wall
A500 Square Steel Tube

T15514

5 X 5 X 1/4 wall
A500 Square Steel Tube

15.62 lb

Select a Size 0.00

Weight: 15.62 lb/ft

Add To Cart

T15538 5 X 5 X 3/8 wall
A500 Square Steel Tube

T15538

5 X 5 X 3/8 wall
A500 Square Steel Tube

23.12 lb

Select a Size 0.00

Weight: 23.12 lb/ft

Add To Cart

T15512 5 X 5 X 1/2 wall
A500 Square Steel Tube

T15512

5 X 5 X 1/2 wall
A500 Square Steel Tube

28.43 lb

Select a Size 0.00

Weight: 28.43 lb/ft

Add To Cart

T16611 6 X 6 X 11ga (1/8") wall
A500 Square Steel Tube

T16611

6 X 6 X 11ga (1/8") wall
A500 Square Steel Tube

9.85 lb

Select a Size 0.00

Weight: 9.85 lb/ft

Add To Cart

T166316 6 X 6 X 3/16 wall
A500 Square Steel Tube

T166316

6 X 6 X 3/16 wall
A500 Square Steel Tube

14.65 lb

Select a Size 0.00

Weight: 14.65 lb/ft

Add To Cart

T16614 6 X 6 X 1/4 wall
A500 Square Steel Tube

T16614

6 X 6 X 1/4 wall
A500 Square Steel Tube

19.02 lb

Select a Size 0.00

Weight: 19.02 lb/ft

Add To Cart

T16638 6 X 6 X 3/8 wall
A500 Square Steel Tube

T16638

6 X 6 X 3/8 wall
A500 Square Steel Tube

27.48 lb

Select a Size 0.00

Weight: 27.48 lb/ft

Add To Cart

T16612 6 X 6 X 1/2 wall
A500 Square Steel Tube

T16612

6 X 6 X 1/2 wall
A500 Square Steel Tube

35.24 lb

Select a Size 0.00

Weight: 35.24 lb/ft

Add To Cart

T17714 7 x 7 x 1/4 wall
A500 Square Steel Tube

T17714

7 x 7 x 1/4 wall
A500 Square Steel Tube

22.42 lb

Select a Size 0.00

Weight: 22.42 lb/ft

Add To Cart

T17738 7 X 7 X 3/8 wall
A500 Square Steel Tube

T17738

7 X 7 X 3/8 wall
A500 Square Steel Tube

32.58 lb

Select a Size 0.00

Weight: 32.58 lb/ft

Add To Cart

T17712 7 X 7 X 1/2 wall
A500 Square Steel Tube

T17712

7 X 7 X 1/2 wall
A500 Square Steel Tube

42.05 lb

Select a Size 0.00

Weight: 42.05 lb/ft

Add To Cart

T188316 8 X 8 X 3/16 wall
A500 Square Steel Tube

T188316

8 X 8 X 3/16 wall
A500 Square Steel Tube

19.63 lb

Select a Size 0.00

Weight: 19.63 lb/ft

Add To Cart

T18814 8 x 8 x 1/4 wall
A500 Square Steel Tube

T18814

8 x 8 x 1/4 wall
A500 Square Steel Tube

26.00 lb

Select a Size 0.00

Weight: 26.00 lb/ft

Add To Cart

T18838 8 x 8 x 3/8 wall
A500 Square Steel Tube

T18838

8 x 8 x 3/8 wall
A500 Square Steel Tube

37.70 lb

Select a Size 0.00

Weight: 37.70 lb/ft

Add To Cart

T18812 8 x 8 x 1/2 wall
A500 Square Steel Tube

T18812

8 x 8 x 1/2 wall
A500 Square Steel Tube

49.00 lb

Select a Size 0.00

Weight: 49.00 lb/ft

Add To Cart

T18858 8 X 8 X 5/8 wall
A500 Square Steel Tube

T18858

8 X 8 X 5/8 wall
A500 Square Steel Tube

59.32 lb

Select a Size 0.00

Weight: 59.32 lb/ft

Add To Cart

T110316 10 X 10 X 3/16 wall
A500 Square Steel Tube

T110316

10 X 10 X 3/16 wall
A500 Square Steel Tube

24.73 lb

Select a Size 0.00

Weight: 24.73 lb/ft

Add To Cart

T11014 10 x 10 x 1/4 wall
A500 Square Steel Tube

T11014

10 x 10 x 1/4 wall
A500 Square Steel Tube

32.63 lb

Select a Size 0.00

Weight: 32.63 lb/ft

Add To Cart

T11038 10 X 10 X 3/8 wall
A500 Square Steel Tube

T11038

10 X 10 X 3/8 wall
A500 Square Steel Tube

47.90 lb

Select a Size 0.00

Weight: 47.90 lb/ft

Add To Cart

T11012 10 X 10 X 1/2 wall
A500 Square Steel Tube

T11012

10 X 10 X 1/2 wall
A500 Square Steel Tube

62.46 lb

Select a Size 0.00

Weight: 62.46 lb/ft

Add To Cart

T11214 12 x 12 x 1/4 wall
A500 Square Steel Tube

T11214

12 x 12 x 1/4 wall
A500 Square Steel Tube

39.45 lb

Select a Size 0.00

Weight: 39.45 lb/ft

Add To Cart

T11238 12 X 12 X 3/8 wall
A500 Square Steel Tube

T11238

12 X 12 X 3/8 wall
A500 Square Steel Tube

58.10 lb

Select a Size 0.00

Weight: 58.10 lb/ft

Add To Cart

T11212 12 X 12 X 1/2 wall
A500 Square Steel Tube

T11212

12 X 12 X 1/2 wall
A500 Square Steel Tube

76.07 lb

Select a Size 0.00

Weight: 76.07 lb/ft

Add To Cart

Subtotal: $0.00

Square Steel Tube

SPECIFICATIONS:

FINISH:

CHARACTERISTICS:

MECHANICAL PROPERTIES:

AVAILABLE STOCK SIZES:

HOW TO MEASURE:

About

SPECIFICATIONS:

FINISH:

CHARACTERISTICS:

MECHANICAL PROPERTIES:

AVAILABLE STOCK SIZES:

HOW TO MEASURE: