Equal Angle Steel Bar
Equal angle steel bars, commonly known as angle iron, are long steel sections with two legs of equal length positioned perpendicular to each other, forming an L-shaped cross-section. Compared to unequal angle steel bar, equal angle steel offers a larger cross-sectional area and superior symmetry for the same weight, resulting in higher strength and greater stability. They are widely used in applications requiring resistance to bending moments and shear forces, such as building beams, power transmission towers, lifting equipment, bridges, and industrial facility frameworks.
Description
Equal angle steel bars, commonly known as angle iron, are long steel sections with two legs of equal length positioned perpendicular to each other, forming an L-shaped cross-section. Compared to unequal angle steel bar, equal angle steel offers a larger cross-sectional area and superior symmetry for the same weight, resulting in higher strength and greater stability. They are widely used in applications requiring resistance to bending moments and shear forces, such as building beams, power transmission towers, lifting equipment, bridges, and industrial facility frameworks.
Characteristics of Equal Angle Steel Bars:
The defining feature of equal angle steel bar is that its two legs are of equal length and meet at a 90-degree angle, creating an L-shaped cross-section; this configuration ensures more uniform load distribution and enhanced stability. Simply put, it resembles a steel bar bent at a right angle, with two “wings” of equal length.
1. Excellent Symmetry: With equal-length, perpendicular legs and an L-shaped cross-section, the bar offers superior stability under load. It is capable of withstanding significant bending moments and shear forces, providing greater strength and stability than unequal angle steel.
2. Good Workability: Equal angle steel bar exhibits good weldability, plastic deformability, and adequate mechanical strength, making it easy to cut, weld, and fabricate into various structural components.
3. Diverse Materials: Common materials include carbon structural steel (e.g., Q235B) and stainless steel (e.g., grades 201, 316). Stainless steel angle bars offer superior corrosion resistance, making them suitable for specialized environments.
Applications of Equal Angle Steel Bars:
1. Construction and Engineering Structures: Frequently used in industrial facility frameworks, building beams, bridges, warehouse shelving, and container racks to provide load-bearing or structural support.
2. Power and Telecommunications Infrastructure: A common material for constructing power transmission towers, substation frameworks, cable trench supports, and busbar supports.
3. Machinery and Manufacturing: Used in the structural assembly of equipment such as lifting and transport machinery, ships, industrial furnaces, reaction towers, and vehicle chassis.
4. New Energy and Specialized Applications: Used as uprights and crossbeams in photovoltaic mounting systems; due to its corrosion resistance, galvanized equal-leg angle steel is also frequently employed in high-humidity agricultural greenhouses and coastal environments.
5. Equal Angle Steel Bars are used for joint connections between various structural components, providing a foundational framework for metal structures and industrial facilities, and can be assembled into diverse load-bearing elements as required by the structural design.
Specifications of Angle Steel Bar:
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Equal Angle
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Specification(mm)
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Theoretical weight(kg/m)
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Specification(mm)
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Theoretical weight(kg/m)
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25*25*2.5
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0.98
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90*90*7
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9.59
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25*25*3
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1.12
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90*90*8
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10.90
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30*30*2.5
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1.17
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90*90*9
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9.59
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30*30*3
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1.36
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90*90*10
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13.30
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30*30*4
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1.78
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100*100*6
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9.22
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30*30*5
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2.16
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100*100*7
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10.70
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38*38*3
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1.72
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100*100*8
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12.1
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38*38*4
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2.26
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100*100*10
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14.90
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40*40*3
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1.83
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100*100*12
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17.90
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40*40*4
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2.41
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100*100*13
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19.10
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40*40*5
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2.92
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110*110*7
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11.92
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40*40*6
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3.50
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110*110*8
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13.47
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45*45*4
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2.74
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110*110*10
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16.69
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45*45*5
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3.38
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125*125*8
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15.51
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50*50*3
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2.33
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125*125*10
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19.14
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50*50*4
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3.06
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125*125*12
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22.70
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50*50*5
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3.77
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130*130*9
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17.90
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50*50*6
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4.43
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130*130*10
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19.70
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50*50*8
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5.82
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130*130*12
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23.40
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55*55*5
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4.17
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130*130*15
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28.80
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56*56*4
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3.493
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140*140*10
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21.49
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56*56*5
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4.326
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140*140*12
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25.52
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60*60*4
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3.68
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140*140*14
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29.49
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60*60*5
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4.55
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150*150*12
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27.30
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60*60*6
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5.41
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150*150*15
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33.60
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60*60*8
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7.09
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150*150*16
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35.80
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63*63*5
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4.81
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160*160*12
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29.39
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63*63*6
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5.72
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160*160*14
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33.99
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63*63*7
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6.54
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160*160*16
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38.52
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65*65*5
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5.00
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175*175*12
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31.80
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65*65*6
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5.91
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175*175*15
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39.40
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65*65*8
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7.66
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180*180*12
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33.16
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70*70*5
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5.76
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180*180*14
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38.38
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70*70*6
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6.38
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180*180*16
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43.54
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70*70*7
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7.35
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180*180*18
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48.63
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70*70*8
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8.37
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200*200*14
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42.90
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75*75*6
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6.85
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200*200*15
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45.30
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75*75*8
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8.92
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200*200*18
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54.40
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75*75*9
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9.96
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200*200*20
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59.70
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75*75*10
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11.02
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200*200*25
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73.60
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80*80*6
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7.32
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250*250*20
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76.18
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80*80*7
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8.48
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250*250*25
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93.77
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80*80*8
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9.55
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250*250*28
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104.00
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80*80*10
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11.87
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250*250*30
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111.32
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90*90*6
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8.28
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250*250*35
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128.00
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Standards and Classifications
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Product name
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steel angle
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Scope of sizes
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equal angles: 25*25mm-250*250mm
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unequal angles: 75*50-200*125mm
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Shape types
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Steel equal angle,Steel uneaqual angle,L shape anges
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Grades
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Q235B/Q355B/Q420B of GB standard
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S235JR/S355JR/S355JO/S355J2 of EN standard
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SS400/SS540 of JIS standard
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A36, A572 gr.50/60 of ASTM standard
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Gr. A, Gr. B, Gr. AH32, AH36 of ABS, CCS, VL, LR, BV, KR, RINA and NK standards
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Package
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Standard seaworthy packing(plastic&wooden) or according to customers’ requests
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Product Display
Packing & Delivery
Shipping By Sea
1. Standard packaging
2. Packaging according to customer requirements
