Liam Steel is a well-respected manufacturer and supplier located in Manila, Philippines, known for its top-notch Alloy Steel F21 Bars. The company prides itself on delivering precision-engineered products that adhere to global quality and performance standards. By employing cutting-edge production techniques and rigorous quality control measures, Liam Steel guarantees that each bar boasts outstanding strength, durability, and resistance to both corrosion and heat. Catering to a diverse array of industries—including oil and gas, power generation, petrochemical, and construction—the company has built a solid reputation for reliability, timely deliveries, and exceptional customer service in both local and international markets.
Alloy Steel F21 Bars are mainly made up of chromium and molybdenum, with carefully controlled amounts of carbon, silicon, and manganese to boost their mechanical and thermal properties. This alloy showcases impressive tensile and yield strength, typically around 585 MPa and 415 MPa respectively, along with remarkable hardness and toughness. Thanks to heat treatment processes like quenching and tempering, Alloy Steel F21 achieves outstanding resistance to high-temperature oxidation and corrosion. These characteristics make it perfect for challenging environments that demand both mechanical stability and thermal endurance.
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type |
Alloy Steel ASTM A182 F21 Round Bars |
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|
Type |
rod, square bar, Round bar, hexagon bar, flat bar, channel bar, angle bar, threaded bar |
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Standards |
Alloy Steel ASTM A182 F22 , A479, A314, GB4226-84, GB/T1220-2007, JISG4311-91, JIS G4318-98, EN 10095-99, GB4226-84, EN10088-3-2005, JIS G3033-2005, etc |
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Surface |
bright round bar, pickled round bar, black round bar |
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Package Details |
Standard seaworthy package(wooden boxes package,pvc package, or other package) |
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Technique |
Forged/Hot Rolled/Cold Drawn/Peeled |
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|
Range |
Range – 3.17mm to 350mm dia |
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Diameter |
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Length |
1m-9m or according to the customer’s requirement |
| Grade | C | Mn | Si | Mo | P | Cr |
| ASTM A182 F21 | 0.05 – 0.15 | 0.30 – 0.60 | 0.50 max | 0.87 – 1.13 | 0.040 | 2.00 – 2.50 |
| Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min |
| 570 | 23 | 295 |
| STANDARD | WERKSTOFF NR. | UNS |
| ASTM A182 F21 | 1.7380 | K21590 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
|
SIZE IN INCHES |
ROUND |
SQUARE |
OCTAGON |
HEXAGON |
SIZE IN INCHES |
ROUND |
SQUARE |
OCTAGON |
HEXAGON |
|
1/16 |
.010 |
.013 |
.011 |
.012 |
11/16 |
1.262 |
1.607 |
1.333 |
1.392 |
|
5/64 |
.017 |
.022 |
.018 |
.019 |
45/64 |
1.320 |
1.681 |
1.394 |
1.456 |
|
3/32 |
.023 |
.029 |
.024 |
.025 |
23/32 |
1.380 |
1.756 |
1.487 |
1.521 |
|
7/64 |
.031 |
.039 |
.033 |
.034 |
47/64 |
1.440 |
1.834 |
1.521 |
1.588 |
|
1/8 |
.042 |
.053 |
.044 |
.046 |
3/4 |
1.502 |
1.913 |
1.586 |
1.656 |
|
9/64 |
.053 |
.067 |
.056 |
.058 |
25/32 |
1.630 |
2.075 |
1.721 |
1.797 |
|
5/32 |
.065 |
.083 |
.069 |
.072 |
13/16 |
1.763 |
2.245 |
1.862 |
1.944 |
|
11/64 |
.079 |
.100 |
.083 |
.087 |
27/32 |
1.901 |
2.421 |
2.008 |
2.096 |
|
3/16 |
.094 |
.120 |
.099 |
.104 |
7/8 |
2.045 |
2.603 |
2.159 |
2.254 |
|
13/64 |
.110 |
.140 |
.116 |
.121 |
29/32 |
2.193 |
2.792 |
2.316 |
2.418 |
|
7/32 |
.128 |
.163 |
.135 |
.141 |
15/16 |
2.347 |
2.988 |
2.479 |
2.588 |
|
15/64 |
.147 |
.187 |
.155 |
.162 |
31/32 |
2.506 |
3.191 |
2.646 |
2.763 |
|
1/4 |
.167 |
.213 |
.176 |
.184 |
1 |
2.670 |
3.400 |
2.820 |
2.945 |
|
17/64 |
.188 |
.240 |
.199 |
.207 |
1-1/16 |
3.015 |
3.838 |
3.183 |
3.324 |
|
9/32 |
.211 |
.269 |
.223 |
.233 |
1-1/8 |
3.380 |
4.303 |
3.569 |
3.727 |
|
19/64 |
.235 |
.300 |
.248 |
.259 |
1-3/16 |
3.766 |
4.795 |
3.977 |
4.152 |
|
5/16 |
.261 |
.332 |
.275 |
.288 |
1-1/4 |
4.172 |
5.313 |
4.407 |
4.601 |
|
21/64 |
.288 |
.360 |
.304 |
.318 |
1-5/16 |
4.600 |
5.857 |
4.858 |
5.072 |
|
11/32 |
.316 |
.402 |
.334 |
.348 |
1-3/8 |
5.049 |
6.428 |
5.332 |
5.567 |
|
23/64 |
.345 |
.439 |
.364 |
.381 |
1-7/16 |
5.518 |
7.026 |
5.827 |
6.085 |
|
3/8 |
.376 |
.478 |
.397 |
.414 |
1-1/2 |
6.008 |
7.650 |
6.345 |
6.625 |
|
25/64 |
.408 |
.519 |
.431 |
.450 |
1-9/16 |
6.519 |
8.301 |
6.885 |
7.189 |
|
13/32 |
.441 |
.561 |
.466 |
.486 |
1-5/8 |
7.051 |
8.978 |
7.446 |
7.775 |
|
27/64 |
.475 |
.605 |
.502 |
.524 |
1-11/16 |
7.604 |
9.682 |
8.030 |
8.385 |
|
7/16 |
.511 |
.651 |
.540 |
.564 |
1-3/4 |
8.178 |
10.41 |
8.634 |
9.018 |
|
29/64 |
.548 |
.698 |
.579 |
.604 |
1-13/16 |
8.773 |
11.17 |
9.265 |
9.673 |
|
15/32 |
.587 |
.747 |
.620 |
.647 |
1-7/8 |
9.388 |
11.95 |
9.911 |
10.35 |
|
31/64 |
.627 |
.798 |
.662 |
.692 |
1-15/16 |
10.02 |
12.76 |
10.58 |
11.05 |
|
1/2 |
.668 |
.850 |
.705 |
.736 |
2 |
10.68 |
13.60 |
11.28 |
11.78 |
|
33/64 |
.710 |
.904 |
.750 |
.783 |
2-1/16 |
11.36 |
14.46 |
11.99 |
12.53 |
|
17/32 |
.754 |
.960 |
.796 |
.831 |
2-1/8 |
12.06 |
15.35 |
12.73 |
13.30 |
|
35/64 |
.799 |
1.017 |
.844 |
.881 |
2-3/16 |
12.78 |
16.27 |
13.49 |
14.09 |
|
9/16 |
.845 |
1.076 |
.892 |
.932 |
2-1/4 |
13.52 |
17.21 |
14.27 |
14.91 |
|
37/64 |
.893 |
1.136 |
.943 |
.985 |
2-5/16 |
14.28 |
18.18 |
15.08 |
15.75 |
|
19/32 |
.941 |
1.199 |
.994 |
1.038 |
2-3/8 |
15.06 |
19.18 |
15.91 |
16.61 |
|
39/64 |
.992 |
1.263 |
1.048 |
1.094 |
2-7/16 |
15.87 |
20.20 |
16.75 |
17.49 |
|
5/8 |
1.043 |
1.328 |
1.102 |
1.150 |
2-1/2 |
16.69 |
21.25 |
17.62 |
18.40 |
|
41/64 |
1.096 |
1.395 |
1.207 |
1.209 |
2-9/16 |
17.53 |
22.33 |
18.52 |
19.34 |
|
21/32 |
1.150 |
1.464 |
1.214 |
1.268 |
2-5/8 |
18.40 |
23.43 |
19.43 |
20.29 |
|
43/64 |
1.205 |
1.535 |
1.272 |
1.329 |
2-11/16 |
19.29 |
24.56 |
20.37 |
21.27 |
Liam Steel is a top manufacturer and supplier of high-quality Alloy Steel F21 Bars products in Manila, Philippines. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
Alloy Steel F21 Bars find extensive use in high-pressure and high-temperature industrial applications. They’re often employed in the construction of pressure vessels, boilers, heat exchangers, and piping systems in power plants, refineries, and chemical industries. The alloy’s exceptional strength and resistance to thermal stress make it ideal for critical components that face fluctuating temperatures and corrosive conditions. Moreover, these bars are also utilized in the manufacturing of shafts, valves, and fittings, where reliability, precision, and a long service life are crucial for maintaining efficiency and safety in industrial operations.
Liam Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Manila, Philippines.
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