Premium Equal and Unequal Carbon Angle Steel for Construction

Feb 25, 2026

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Commodity: Equal Angle Steel / Unequal Angle Steel
Dimension range: 25x25mm - 200x200mm / 25x16mm - 200x125mm
Wall thickness: 3mm - 20mm
Length: 1-12meters (Normal length 6meters ,accept fixed length)
Standard: GB9787-88/GB9788-88, JISG3192-94, DIN17100-80, 535-88
Material: Q195 and Q235 Mild Steel ,Q345 Alloy steel,
ASTM A36, SS400, S235JRH
Chemical composition : C<0.22%,Mn:0.30-0.65%,P<0.060%,S<0.060%
Surface treatment: Black Anneal
Thickness tolerance: +/- 0.05mm
Wing Tolerance: +/- 0.05mm
Technique: Hot rolled
Quality: No delamination, scar, crack etc, must be straight.
Application: Structure steel, Machine steel, Steel products,Fence
,Road sign, warmhouse booth,etc
MOQ: 10MT
Package: to be packed in bundle, wrapped with steel strips.
Payment term: T/T or L/C at sight
Delivery time: within 15-20days after receiving the deposit
Remark: Special spec is available
Premium Equal and Unequal Carbon Angle Steel for Construction
Equal Angle Steel dimension:

Size
Leg Length × Leg Length × thickness
(mm)
GB
Weight(kg/m)
Available Length Size
Leg Length × Leg Length × thickness
(mm)
GB
Weight(kg/m)
Available Length
25 ×25×3 1.124 6-12m 90 ×90×8 10.946 6-12m
25 ×25×4 1.459 6-12m 90 ×90×9 12.219 6-12m
30 ×30×3 1.373 6-12m 90 ×90×10 13.476 6-12m
30 ×30×4 1.786 6-12m 90 ×90×12 15.94 6-12m
40 ×40×3 1.852 6-12m 100 ×100×6 9.366 6-12m
40 ×40×4 2.422 6-12m 100×100×7 10.83 6-12m
40 ×40×5 2.976 6-12m 100 ×100×8 12.276 6-12m
45 ×45×3 2.088 6-12m 100 ×100×10 15.12 6-12m
45 ×45×4 2.736 6-12m 100 ×100×12 17.898 6-12m
45 ×45×5 3.369 6-12m 100 ×100×14 20.611 6-12m
45 ×45×6 3.985 6-12m 100 ×100×16 23.257 6-12m
50 ×50×3 2.332 6-12m 110 ×110×7 11.928 6-12m
50 ×50×4 3.059 6-12m 110 ×110×8 13.532 6-12m
50 ×50×5 3.77 6-12m 110 ×110×10 16.69 6-12m
50 ×50×6 4.465 6-12m 110 ×110×12 19.782 6-12m
56 ×56×3 2.624 6-12m 110 ×110×14 22.809 6-12m
56 ×56×4 3.446 6-12m 120 ×120×10 18.2 6-12m
56 ×56×5 4.251 6-12m 120 ×120×12 21.6 6-12m
60 ×60×5 4.57 6-12m 125 ×125×8 15.504 6-12m
60 ×60×6 5.42 6-12m 125 ×125×10 19.133 6-12m
63 ×63×4 3.907 6-12m 125 ×125×12 22.696 6-12m
63 ×63×5 4.822 6-12m 125 ×125×14 26.193 6-12m
63 ×63×6 5.721 6-12m 140 ×140×10 21.488 6-12m
63 ×63×8 7.469 6-12m 140 ×140×12 25.522 6-12m
70 ×70×5 5.397 6-12m 140 ×140×14 29.49 6-12m
70 ×70×6 6.406 6-12m 140 ×140×16 33.393 6-12m
70 ×70×7 7.398 6-12m 160 ×160×10 24.729 6-12m
70 ×70×8 8.373 6-12m 160 ×160×12 29.391 6-12m
75 ×75×5 5.818 6-12m 160 ×160×14 33.987 6-12m
75 ×75×6 6.905 6-12m 160 ×160×16 38.518 6-12m
75 ×75×7 7.976 6-12m 180 ×180×12 33.159 6-12m
75 ×75×8 9.03 6-12m 180 ×180×14 38.383 6-12m
75 ×75×10 11.089 6-12m 180 ×180×16 43.542 6-12m
80 ×80×5 6.211 6-12m 180 ×180×18 48.634 6-12m
80 ×80×6 7.376 6-12m 200 ×200×14 42.894 6-12m
80 ×80×7 8.525 6-12m 200 ×200×16 48.68 6-12m
80 ×80×8 9.658 6-12m 200 ×200×18 54.401 6-12m
80 ×80×10 11.874 6-12m 200 ×200×20 60.056 6-12m
90 ×90×6 8.35 6-12m 200 ×200×24 71.168 6-12m
90 ×90×7 9.656 6-12m      

Unequal Angle Steel dimension:

SIZE(L*W*T)mm WEIGHT(kg/m) SIZE(L*W*T)mm WEIGHT(kg/m)
25*16*3 0.91 100*63*6 7.55
25*16*4 1.18 100*63*7 8.72
32*20*3 1.17 100*63*8 9.88
32*20*4 1.52 100*63*10 12.1
40*25*3 1.48 100*80*6 8.35
40*25*4 1.94 100*80*7 9.66
45*28*4 1.69 100*80*8 10.9
45*28*5 2.2 100*80*10 13.5
50*32*3 1.91 110*70*6 8.35
50*32*4 2.49 110*70*7 9.66
56*36*3 2.15 110*70*8 10.9
56*36*4 2.82 110*70*10 13.5
56*36*5 3.47 125*80*7 11.1
63*40*4 3.19 125*80*8 12.6
63*40*5 3.92 125*80*10 15.5
63*40*6 4.64 125*80*12 18.3
63*40*7 10 140*90*8 14.2
70*45*4 3.57 140*90*10 17.5
70*45*5 4.4 140*90*12 20.7
70*45*6 5.22 140*90*14 23.9
70*45*7 6.01 160*100*10 19.9
75*50*5 4.81 160*100*12 23.6
75*50*6 5.7 160*100*14 27.2
75*50*8 7.43 160*100*16 30.8
75*50*10 9.1 180*110*10 22.3
80*50*5 5 180*110*12 26.5
80*50*6 5.93 180*110*14 30.6
80*50*7 6.85 180*110*16 34.6
80*50*8 7.75 200*125*12 29.8
90*56*5 5.66 200*125*14 34.4
90*56*6 6.72 200*125*16 39
90*56*7 7.76 200*125*18 43.6
90*56*8 8.78    


1.What is angle steel?

Angle steel, also known as L-profile or angle profile, is a common structural material used in construction, mechanical engineering and other industrial applications. It is shaped like an L, with the two sides meeting at right angles.

 

2.What are four types of steel?

The four major steel types are carbon steel, stainless steel, tool steel and alloy steel. All steels are made of iron and carbon. Specialized steels include small amounts of chromium, magnesium, zinc or other metals.

 

3.What are the disadvantages of using angle steel?

Angle steel often faces surface-related issues such as burrs, scales, rust, and other contaminants. These problems not only detract from the steel's appearance but also shorten its service life by promoting corrosion and weakening the material over time.

 

4.How strong is steel angle iron?

With a single, 90° bend, angle iron is one of the strongest structural support elements. That's because it evenly distributes stress along its entire length and resists bending. With only two sides, there's less of a chance for pressure surrounding a piece to compromise its shape or integrity.

 

5.Is angle bar steel?

Angle bars, also known as an "L-bracket" or an "angle iron, are commonly manufactured by hot-rolled carbon steel or high strength low alloy steel. An angle bar has L-cross shaped section with two legs - equal or unequal and the angle would be 90 degree.