Filiz Steel, a trusted manufacturer and supplier in Istanbul, Turkey, offers high-quality Alloy Steel F21 Bars known for their strength, durability, and reliable performance. These bars are manufactured with precision to meet strict industrial standards, making them suitable for critical applications in demanding environments. Filiz Steel ensures each F21 Bar provides excellent toughness, wear resistance, and long-lasting service. Widely used in industries such as oil and gas, power generation, chemical processing, and heavy machinery, Alloy Steel F21 Bars are designed to withstand high temperatures, pressure, and mechanical stress, ensuring consistent and dependable performance.
Alloy Steel F21 Bars are made from chromium-molybdenum alloy steel with carbon, manganese, and other elements that enhance strength, toughness, and heat resistance. These bars offer high tensile and yield strength, allowing them to handle heavy loads and high-pressure conditions. They also provide excellent hardness, wear resistance, and good machinability. The combination of durability, flexibility, and toughness ensures Alloy Steel F21 Bars perform reliably in industrial and mechanical applications. Their properties make them suitable for critical equipment, piping systems, and high-stress components in challenging working environments.
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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 |
Filiz Steel is a top manufacturer and supplier of high-quality Alloy Steel F21 Bars products in Istanbul, Turkey. 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 are widely used in industries where strength, durability, and resistance to heat and stress are critical. They are commonly applied in oil and gas plants, power generation facilities, chemical processing units, and heavy machinery. These bars are used to manufacture valves, pressure vessels, shafts, and mechanical components that require high toughness and long service life. In high-temperature piping and industrial equipment, F21 Bars provide reliable performance, helping reduce maintenance and downtime. Their excellent mechanical properties make them a preferred choice for engineers and manufacturers seeking strong, long-lasting steel for demanding applications.





Filiz 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 Istanbul, Turkey.
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