Kloeckner Metals proudly stocks A572-50 beams, A572-50 angles, and A572-50 channels.
| Format | Size range |
|---|---|
| S beams | 3" x 5.7# - 24" x 121# |
| W beams | 4" x 13# - 44" - 335" |
| Structural channels | 3" x 3.5# - 15" x 50.0# |
| MC channels | 3" x 7.1# - 18" x 58.0# |
| Bar angles | 3/4" x 3/4" x 1/8" - 2-1/2" x 2-1/2" x 1/2" |
A572 is one of the highest value structural steel grades. Why? Because it provides an ideal combination of high strength, high notch toughness, good ductility, and good weldability.
It is a high-strength low alloy (HSLA) structural steel with five different grades. A572 grade 50 shows a yield strength of 50,000 psi and an ultimate tensile strength of over 65,000 psi. It is used across industries but is frequently seen in general building construction, the transportation industry, and the architecture industry.
A572-50 beams provide improved strength when compared to their weight. As a result, this product grade is quickly replacing other hot rolled structural steel product grades as the de facto steel beam. Both S and W A572-50 beams can be black, galvanized, or primed.
A572-50 channels are also widely seen in general building construction for the same reason—they provide greater strengths at less weight than other structural steel channel product grades. Both Structural Channels and MC channels will have a minimum depth of 3”.
A572-50 bar angles, which can also be referred to as angle irons, steel angles, L-brackets, steel sections, or angle sections, are a hot rolled HSLA product. Malleability is one of the key features of bar angles, as they are often applied for reinforcement and building fixtures to fortify corners and general reinforcement for things like bridges and archways. All bar angles have an L-shaped cross section, and while a 90° angle is most common, they can be designed to customer specification with equal or unequal leg lengths.
This HSLA structural steel product grade delivers several key advantages. Stellar strength-per-weight which allows buildings, trucks, and bridge ways to tolerate more weight with less material. This is a huge advancement over comparable steels like a36, as lowering overall weight in something like a truck trailer can directly influence cost savings down the line, in say, gas. Notch toughness, ductility, and good weldability also indicate a high value structural steel product. Since A572-50 beams, A572-50 channels, and A572-50 angles each provide unique support, another advantage to consider is that this high strength grade is available across different types of sections.
A572 is not easily formed. This is a result of its alloying elements columbium and vanadium. Consequently, pre-testing the material and post-welding heat treatments are recommended.
A572-50 beams, channels, and angles can be found in the construction industry. A572-50 channels and A572-50 beams and A572-50 angles are widely seen in the transportation industry. A572-50 angles are also used in the architecture industry.
Beams and channels in this HSLA structural steel product grade is commonly seen in buildings, transmission towers, bridges, construction equipment, and truck frames. Bar angles are more commonly used in masonry, architectural fixtures, and support. When this product grade undergoes protective processing, it better tolerates harsh weather exposure and corrosive environments.
This structural steel product grade has good machinability with average cutting speeds. It can in some cases be more difficult to form.
A572-50 has good weldability. Post-weld heat treatments are recommended to further ensure quality welds.
Post-welding heat treatments for A572-50 are recommended.
This HSLA structural steel product grade delivers several key advantages. Stellar strength-per-weight which allows buildings, trucks, and bridge ways to tolerate more weight with less material. This is a huge advancement over comparable steels like a36, as lowering overall weight in something like a truck trailer can directly influence cost savings down the line, in say, gas. Notch toughness, ductility, and good weldability also indicate a high value structural steel product. Since A572-50 beams, A572-50 channels, and A572-50 angles each provide unique support, another advantage to consider is that this high strength grade is available across different types of sections.
A572 is not easily formed. This is a result of its alloying elements columbium and vanadium. Consequently, pre-testing the material and post-welding heat treatments are recommended.
A572-50 beams, channels, and angles can be found in the construction industry. A572-50 channels and A572-50 beams and A572-50 angles are widely seen in the transportation industry. A572-50 angles are also used in the architecture industry.
Beams and channels in this HSLA structural steel product grade is commonly seen in buildings, transmission towers, bridges, construction equipment, and truck frames. Bar angles are more commonly used in masonry, architectural fixtures, and support. When this product grade undergoes protective processing, it better tolerates harsh weather exposure and corrosive environments.
This structural steel product grade has good machinability with average cutting speeds. It can in some cases be more difficult to form.
A572-50 has good weldability. Post-weld heat treatments are recommended to further ensure quality welds.
Post-welding heat treatments for A572-50 are recommended.
| Fe | C | Mn | P | Si | S |
|---|---|---|---|---|---|
| 98.0% | 0.23 - 0.290% | 1.35% | 0.040% | 0.40% | 0.050% |
| Mechanical Properties | ||
|---|---|---|
| Metric | Imperial | |
| Tensile Strength, Ultimate | 450 MPa | 65,300 psi |
| Tensile Strength, Yield | 345 MPa | 50,000 psi |
| Elongation at Break (in 200 mm) | 18.0% | 18.0% |
| Elongation at Break (in 50 mm) | 21.0% | 21.0% |
| Brinell Hardness | 135 | 135 |
| Rockwell Hardness | 74 | 74 |
| Modulus of Elasticity | 200 GPa | 29 KSI |
| Shear Modulus | 80 GPa | 11.6 ksi |
ANSWER:
ASTM A992 contains small additions of vanadium or columbium, copper, nickel, chrome, and molybdenum. These alloying elements lead better material definition. A992 can be used to fabricate a range of structural steel products including I-beams, W-beams, channels, plates, angles, and other structural shapes. A992 can also be dual certified to A572 grade 50. This means it meets the standard mechanical requirements for both A992 and A572. When dual certified it exhibits improved weight-to-strength and achieves higher strength levels.
ANSWER:
Each of these three structural steel shapes have different cross sections. Beams have a flat bottom called the web and two legs like side railings on both sides. Both S and W beams have an I-shaped cross section, but have different legs and dimensions. W-beams can run over 300-feet in length.
Channels have the same flat bottom as beams, however the legs run along only one side of the web to form a C-shaped cross section. It ends up looking like a ramp with railings. Channels tend to be shorter than beams.
Angles have an L-shaped cross section. This forms a corner shape. 90° angles are most common. Angles can also have two different sized legs, which you would not see in either beams or channels.
These different geometric design qualities result in different uses and mechanical properties and should not be applied interchangeably across industries and applications.
ANSWER:
There are a few main differences between W beams and S beams. If you were to take a look at these beams side by side there are few physical differences you would note right away.
First, the S beam is narrower than the W beam, whose name indicates a signature feature: width. While W beams are wide, S beams are available in the smallest size ranges available within the structural steel beam category.
You might notice their different legs next. Where the W beam has parallel legs with blocky angles where the legs meet the web, S beams are rounded. This is a signature geometric design feature of S beams, as they always have these rounded/tapered legs. The slope on the inner flanges for S beams is approximately 16.67%.
What about their relative thicknesses? One advantage of W beams is that they have legs that are thicker than their web.
What about the number of standard sections? Another advantage of W beams is that they have many more standard sections to choose from, and are available in a greater size range.
ANSWER:
Size and slope of the flanges make up the two main differences between structural channels and MC channels, which are also commonly referred to as miscellaneous channels or junior channels. While both C channels and MC channels have dimensions greater than 3”, MC channels have legs that are usually of equal thicknesses and C channels have legs that taper.
ANSWER:
A572 is a high strength low alloy steel (HSLA). HSLA steels are made to meet certain mechanical properties. Of HSLA steels, A572-50 is a popular choice in particular due to the outstanding strengths, at 50 ksi for yield strength, and 65 ksi for tensile strength. For roads and bridges, and other applications for which structural steels are common, the ability to bear high loads is essential. A572’s high strength capability combined with the corrosion resistance, high notch toughness, ductility, and weldability lead to a thinner and more resistant building material.
ANSWER:
ASTM A992 contains small additions of vanadium or columbium, copper, nickel, chrome, and molybdenum. These alloying elements lead better material definition. A992 can be used to fabricate a range of structural steel products including I-beams, W-beams, channels, plates, angles, and other structural shapes. A992 can also be dual certified to A572 grade 50. This means it meets the standard mechanical requirements for both A992 and A572. When dual certified it exhibits improved weight-to-strength and achieves higher strength levels.
ANSWER:
Each of these three structural steel shapes have different cross sections. Beams have a flat bottom called the web and two legs like side railings on both sides. Both S and W beams have an I-shaped cross section, but have different legs and dimensions. W-beams can run over 300-feet in length.
Channels have the same flat bottom as beams, however the legs run along only one side of the web to form a C-shaped cross section. It ends up looking like a ramp with railings. Channels tend to be shorter than beams.
Angles have an L-shaped cross section. This forms a corner shape. 90° angles are most common. Angles can also have two different sized legs, which you would not see in either beams or channels.
These different geometric design qualities result in different uses and mechanical properties and should not be applied interchangeably across industries and applications.
ANSWER:
There are a few main differences between W beams and S beams. If you were to take a look at these beams side by side there are few physical differences you would note right away.
First, the S beam is narrower than the W beam, whose name indicates a signature feature: width. While W beams are wide, S beams are available in the smallest size ranges available within the structural steel beam category.
You might notice their different legs next. Where the W beam has parallel legs with blocky angles where the legs meet the web, S beams are rounded. This is a signature geometric design feature of S beams, as they always have these rounded/tapered legs. The slope on the inner flanges for S beams is approximately 16.67%.
What about their relative thicknesses? One advantage of W beams is that they have legs that are thicker than their web.
What about the number of standard sections? Another advantage of W beams is that they have many more standard sections to choose from, and are available in a greater size range.
ANSWER:
Size and slope of the flanges make up the two main differences between structural channels and MC channels, which are also commonly referred to as miscellaneous channels or junior channels. While both C channels and MC channels have dimensions greater than 3”, MC channels have legs that are usually of equal thicknesses and C channels have legs that taper.
ANSWER:
A572 is a high strength low alloy steel (HSLA). HSLA steels are made to meet certain mechanical properties. Of HSLA steels, A572-50 is a popular choice in particular due to the outstanding strengths, at 50 ksi for yield strength, and 65 ksi for tensile strength. For roads and bridges, and other applications for which structural steels are common, the ability to bear high loads is essential. A572’s high strength capability combined with the corrosion resistance, high notch toughness, ductility, and weldability lead to a thinner and more resistant building material.
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