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Alloy Steel Seamless Pipes Tubes & Application

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Product Range

Alloy steel is steel that is alloyed with a variety of elements in total amounts between 1.0% and 50% by weight to improve its mechanical properties. Alloy steels are broken down into two groups: low-alloy steel and high-alloy steels. Product

Product Range Alloy Steel Seamless Pipes & Tubes
OD 21.3 MM to 355.6 MM or (½" to 14").
Thickness 2.77 MM to 35.71 MM.
Specification ASTM A 335, P-11/P-22/P-5/P-9/P-91 ASTM A 213, T-11/T-22/T-5/T-9/T-91

ASTM SCHEDULED SIZES

DIMENSIONS AND WEIGHT
Nominal
Pipe Size
(mm/inch) 		OD (mm) Schedule Wall Thickness (mm) / Weight (kg/m)
Sch. Sch. Sch Sch STD Sch. XS Sch. Sch Sch Sch Sch Sch XXS
5 10 20 30 40 60 80 100 120 140 160
6 10.3 - 1.24 - 1.45 1.73 1.73 2.41 - 2.41 - - - - -
1/8   - 0.28 - 0.32 0.37 0.37 0.47 - 0.47 - - - - -
8 13.7 - 1.65 - 1.85 2.24 2.24 3.02 - 3.02 - - - - -
1/4   - 0.49 - 0.54 0.63 0.63 0.80 - 0.80 - - - - -
10 17.1 - 1.65 - 1.85 2.31 2.31 3.20 - 3.20 - - - - -
3/8   - 0.63 - 0.70 0.84 0.84 1.10 - 1.10 - - - - -
15 21.3 1.65 2.11 - 2.41 2.77 2.77 3.73 - 3.73 - - - 4.78 7.47
1/2   0.80 1.00 - 1.12 1.27 1.27 1.62 - 1.62 - - - 1.95 2.55
20 26.7 1.65 2.11 - 2.41 2.87 2.87 3.91 - 3.91 - - - 5.56 7.82
3/4   1.03 1.28 - 1.44 1.69 1.69 2.20 - 2.20 - - - 2.90 3.64
25 33.4 1.65 2.77 - 2.90 3.38 3.38 4.55 - 4.55 - - - 6.35 9.09
1   1.29 2.09 - 2.18 2.50 2.50 3.24 - 3.24 - - - 4.24 5.45
32 42.2 1.65 2.77 - 2.97 3.56 3.56 4.85 - 4.85 - - - 6.35 9.70
1 1/4   1.65 2.69 - 2.87 3.39 3.39 4.47 - 4.47 - - - 5.61 7.77
40 48.3 1.65 2.77 - 3.18 3.68 3.68 5.08 - 5.08 - - - 7.14 10.15
1 1/2 1.90 3.11 - 3.53 4.05 4.05 5.41 - 5.41 - - - 7.25 9.55
50 60.3 1.65 2.77 - 3.18 3.91 3.91 5.54 - 5.54 - - - 8.74 11.07
2   2.39 3.93 - 4.48 5.44 5.44 7.48 - 7.48 - - - 11.11 13.44
65 73.0 2.11 3.05 - 4.78 5.16 5.16 7.01 - 7.01 - - - 9.53 14.02
2 1/2   3.69 5.26 - 8.04 8.63 8.63 11.41 - 11.41 - - - 14.92 20.39
80 88.9 2.11 3.05 - 4.78 5.49 5.49 7.62 - 7.62 - - - 11.13 15.24
3   4.52 6.46 - 9.92 11.29 11.29 15.27 - 15.27 - - - 21.35 27.68
90 101.6 2.11 3.05 - 4.78 5.74 5.74 8.08 - 8.08 - - - - -
3 1/2   5.18 7.41 - 11.41 13.57 13.57 18.64 - 18.64 - - - - -
100 114.3 2.11 3.05 - 4.78 6.02 6.02 8.56 - 8.56 - 11.13 - 13.49 17.12
4   5.84 8.37 - 12.91 16.08 16.08 22.32 - 22.32 - 28.32 - 33.54 41.03
125 141.3 2.77 3.40 - - 6.55 6.55 9.53 - 9.53 - 12.70 - 15.88 19.05
5   9.46 11.56 - - 21.77 21.77 30.97 - 30.97 - 40.28 - 49.12 57.43
150 168.30 2.77 3.40 - - 7.11 7.11 10.97 - 10.97 - 14.27 - 18.26 21.95
6   11.31 13.83 - - 28.26 28.26 42.56 - 42.56 - 54.21 - 67.57 79.22
200 219.10 2.77 3.76 6.35 7.04 8.18 8.18 12.70 10.31 12.70 15.09 18.26 20.62 23.01 22.23
8   14.78 19.97 33.32 36.82 42.55 42.55 64.64 53.09 64.64 75.92 90.44 100.93 111.27 107.93
250 273.00 3.40 4.19 6.35 7.80 9.27 9.27 12.70 12.70 15.09 18.26 21.44 25.40 28.58 25.40
10   22.61 27.78 41.76 51.01 60.29 60.29 81.53 81.53 95.98 114.71 133.01 155.10 172.27 155.10
300 323.80 3.96 4.57 6.35 8.38 9.53 10.31 12.70 14.27 17.48 21.44 25.40 28.58 33.32 25.40
12   31.24 35.98 49.71 65.19 73.86 79.71 97.44 108.93 132.05 159.87 186.92 208.08 238.69 186.92
350 355.60 3.96 6.35 7.92 9.53 9.53 11.13 12.70 15.09 19.05 23.83 27.79 31.75 35.71 -
14   34.34 54.69 67.91 81.33 81.33 94.55 107.40 126.72 158.11 194.98 224.66 253.58 281.72 -