Alloy Steel F21 Bars

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Sayed Steel, based in Safat, Kuwait, stands as a reliable name for industrial suppliers, providing quality materials you can count on. We are proud to offer Alloy Steel F21 Bars, a premium-grade material crafted for demanding environments. Understanding that your projects require durability and precision, we ensure our F21 bars meet the highest standards, providing a trusted solution for industries where failure is not an option. When you need consistent performance, our expertise and quality inventory make us the right partner.

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Alloy Steel F21 Round Bars

Alloy Steel F21 Bright Bars

Alloy Steel F21 Hex Bars

Table of Contents

What is Alloy Steel F21 Bars?

The composition of Alloy Steel F21 includes chromium, molybdenum, and vanadium, giving it a balanced mix for strength and resilience. In terms of mechanical properties, this alloy exhibits excellent tensile strength and good ductility, allowing it to handle significant stress without breaking. It also retains its toughness in high-temperature settings, making it mechanically reliable. These characteristics are consistently maintained in the bars we supply, ensuring they perform as expected under pressure.

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Alloy Steel F21 Bars Specification

type
Alloy Steel ASTM A182 F21 Round Bars
Type
rod, square bar, Round bar, hexagon bar, flat bar, channel bar, angle bar, threaded bar
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

Surface
bright round bar, pickled round bar, black round bar
Package Details
Standard seaworthy package(wooden boxes package,pvc package, or other package)
Technique
Forged/Hot Rolled/Cold Drawn/Peeled
Range

Range – 3.17mm to 350mm dia

Diameter
5mm-500mm (Customized size is acceptable)
Length
1m-9m or according to the customer’s requirement

Alloy Steel F21 Bars Chemical Composition

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

Alloy Steel F21 Bars Mechanical Properties

Tensile Strength (ksi) min Elongation (% in 50mm) min Yield Strength 0.2% Proof (ksi) min
570 23 295

Alloy Steel F21 Bars Equivalent Grades

STANDARD WERKSTOFF NR. UNS
ASTM A182 F21 1.7380 K21590

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weight chart of Alloy Steel F21 Bars

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

Top Manufacturer and Supplier of Alloy Steel F21 Bars in Safat, Kuwait​

Sayed Steel is a top manufacturer and supplier of high-quality Alloy Steel F21 Bars products in Safat, Kuwait. 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.

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Types of Alloy Steel F21 Bars

F21 Alloy Steel Forged Bars
Alloy Steel F21 Hollow Bars
Alloy Steel F21 Polished Bars
Alloy Steel F21 Rectangular Bar
F21 Alloy Steel Hex Bars
Alloy Steel F21 Square Bars

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Uses of Alloy Steel F21 Bars

In practical terms, Alloy Steel F21 Bars are commonly used for manufacturing high-strength components like fasteners, bolts, and studs in high-temperature and high-pressure environments. You will often find them in sectors like oil and gas, particularly in flange systems and valve applications, as well as in chemical processing equipment. Their ability to maintain integrity under stress makes them ideal for critical infrastructure. Essentially, anywhere a standard steel won’t suffice, F21 bars provide a dependable solution for long-lasting performance.

Industry We Serve

Food Industry

Oil and Gas Industry

petrochemical industry

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