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BS4 T45 1972

Carbon-manganese steel tube (700 N/mm) tube 12.5mm outside diameter and greater

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  • Specification - BS5 T100 with S600 conditions
  • Form - Tube

General Information

Carbon-manganese steel tube (700 N/mm sq) tube 12.5mm outside diameter and greater (weldable)

Mechanical Properties

Property Min Value Max Value
N/mmsq 0.2% Yield Strength 620 620
N/mmsq Ultimate Tensile Strength 700 900
% Elongation 0 0
% Reduction of Area 0 0
Hardness Rockwell B (HRB) 201 262
Hardness Rockwell C (HRC) 0 0
Hardness Brinell (BHN) 201 262
Hardness Vickers (HV) 210 275

Chemical Elements

% Carbon (C) 0.17 0.25
% Chromium (Cr) 0 0.25
% Manganese (Mn) 1.3 1.7
% Molybdenum (Mo) 0 0.1
% Nickel (Ni) 0 0.4
% Phosphorus (P) 0 0.04
% Sulphur (S) 0 0.04
% Silicon (Si) 0.1 0.35
% Iron (Fe) 96.87 98.43
% Copper 0 0
% Magnesium 0 0
% Zinc 0 0
% Titanium 0 0
% Aluminium 0 0
% Cobalt (Co) 0 0
% Zirconium (Zr) 0 0
% Boron (B) 0 0
% Lead (Pb) 0 0
% Bismuth (Bi) 0 0
% Selenium (Se) 0 0