• Technical Specifications
  • Physical Properties
  • Tolerance

Confirming to IS : 1161/1989

Nominal BoreOutside Diameter (OD)ClassThickness (T)Weight
mmmmmmkg/m
1521.3Light2.00.947
Medium2.61.21
Heavy3.21.44
2026.9Light2.31.38
Medium2.61.56
Heavy3.21.87
2533.7Light2.61.98
Medium3.22.41
Heavy4.02.93
3242.4Light2.62.54
Medium3.23.10
Heavy4.03.79
4048.3Light2.93.23
Medium3.23.56
Heavy4.04.37
5060.3Light2.64.08
Medium3.65.03
Heavy4.56.19
6576.1Light3.25.71
Medium3.66.42
Heavy4.57.93
8088.9Light3.26.72
Medium4.08.36
Heavy4.89.90
100114.3Light3.69.75
Medium4.512.2
Heavy5.414.5
125139.7Light4.515.0
Medium4.815.9
Heavy5.417.9
135152.4Light4.516.4
Medium4.817.5
Heavy5.419.6
150165.1Light4.517.8
Medium4818.9
Heavy5.421.3
150168.3Light4.518.2
Medium4.819.4
Heavy15.421.7
Heavy26.325.2
175193.7Light4.522.4
Medium4825.1
Heavy5.927.3
200219.1Light4.825.4
Medium5.629.5
Heavy15.931.0

Black Pipe Others (IS 1239, EN/10255)

Nominal Bore SeriesOutside Diameter (OD)Wall Thickness (T)Nominal mass of steel tubeSockets
MaxMinPlain EndScrewed & SocketedMin ODMin Length
mminchmmmmmmswgkg/mtrmrs/mtkg/mtrmtrs/mtmmmm
15L0.5021.421.02.0140.94710560.956104627.037.0
15M0.5021.821.02.6121.218261.2282027.037.0
15H0.5021.821.03.2101.446941.4569027.037.0
20L0.7526.926.42.3131.387251.3971932.539.0
20M0.7527.326.52.6121.566411.5763732.539.0
20H0.7527.326.53.2101.875351.8853232.539.0
25L1.0033.833.22.6121.985052.0050039.546.0
25M1.0034.233.33.2102.414152.4341239.546.0
25H1.0034.233.34.082.933412.9533939.546.0
32L1.2542.541.92.6122.543942.5738949.051.0
32M1.2542.942.03.2103.103233.1331949.051.0
32H1.2542.541.94.083.792643.8226249.051.0
40L1.5048.447.82.9113.233103.2730656.051.0
40M1.5048.847.93.2103.562813.6027856.051.0
40H1.5048.847.94.084.372294.4122756.051.0
50L2.0060.259.62.9114.082454.1524168.060.0
50M2.0060.859.73.695.031995.1019668.060.0
50H2.0060.859.74.576.191626.2616068.060.0
65L2.5076.075.23.2105.711755.8317284.069.0
65M2.5076.675.33.696.421566.5415384.069.0
65H2.5076.675.34.577.931268.0512484.069.0
80L3.0088.787.93.2106.721496.8914598.075.0
80M3.0089.588.04.088.361208.5311798.075.0
80H3.0089.588.04.869.9010110.109998.075.0
100L4.00113.9113.03.699.7510310.00100124.087.0
100M4.00115.0113.14.5712.208212.5080124.087.0
100H4.00115.0113.15.4514.506914.8068124.087.0
125M5.00140.8138.54.8615.906316.4061151.096.0
125H5.00140.8138.55.4517.905618.4054151.096.0
150M6.00166.5163.94.8618.905319.551178.096.0
150H6.00166.5163.95.4521.304721.9046178.096.0

Physical Properties

GradeTensile StrengthYield StressElongation
MpaMpaPercent
(Min)(Min)(Min)
Yst 21033021020
Yst 24041024017
Yst 31045031014

Tolerance on Thickness and Mass

Confirming to IS : 1161/1989

Outside Diameter
Up to & including 48.3mm+0.4mm-0.8mm
Over 48.3mm±1.0%
Thickness(for all sizes)
Welded tubes+not limited-10%
Weight
Single tube-Light+10%-8%
Single tube-Medium & Heavy±10%
10 tonne lots-Light±5%
10 tonne lots-Medium & Heavy±7.5%

Tolerance on Thickness and Mass

Black Pipe Others (IS 1239, EN/10255)

ClassThicknessWeightLength
Single TubePer Load of 10 MT MinUnless otherwise Specified
Light+Not Limited-8%+10%-8%+7.5 %-5%4 to 7 Mtrs.
Medium& Heavy+Not Limited-10%±10%±7.5%

MS Black Pipes


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