Steel Pipes and Tubes

Steel Pipes Specifications » Steel Tubes for Structural Purposes


Steel Tubes for Structural Purposes Conforming to IS: 1161 / 1998


TOLERANCES:
A. Outside Diameter:
    i) Upto and including
       48.3 mm
± 0.4 mm
- 0.8 mm
    ii) Over 48.3 mm ± 1.0%
B. Thickness (For All Size):
     Welded tubes + Not Ltd.
- 10%
C. Weight
     Single tubes Light: + 10%
- 8%
     Med & Heavy
     10 Tons Lot Light:
     Med & Heavy
± 10%
± 5%
± 7.5%

D. Physical Properties
Grade Tensile Strength (Min). Yield Stress (Min.) Elongation on Gauge length 5.65 vS01 Min.
MPa MPa Percent
YSt 210 330 210 20
Yst 240 410 240 17


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