SHINESTAR Steel
Email:info@steelgaslines.com
 
BS 1139 Scaffolding Tube Technical Data

Determination of chemical composition of steel by ladle analysis

Carbon ≤0.20
Silicon ≤0.30
Phosphorus ≤0.05
Sulphur ≤0.05
Nitrogen ≤0.009

Mechanical Property

Tensile strength Rm N/mm² ≥340; <480
Yield stress ReH N/mm² ≥235
Elongation A   ≥24%
(on Lo = 5.65√So)ª

Nominal dimensions, mass and tolerances for tubes

Tube Nominal values "Type 4.0" Tolerances
Wall thickness 4.0mm -10.0%
Outside diameter(including ovality) 48.3mm ±0.5mm
Inside diameter 40.3mm -2.6mm
Mass, single tube 4.37kg/m +12.0%; -8.0%
Mass, batches of tubes(10 tonnes or more) 4.37kg/m ±7.5%
 

Latest Project

Products

Contact Now

Address : 22nd Floor, Royal Wing Tower, Long Champ International Building, No.9 Xiangfu Road, Changsha, Hunan, China.
PC: 410116
Tel : +86-731-8867 8548
Fax : +86-731-8867 8548
Email : info@steelgaslines.com
Skype : shinestarsteel