Galvanized Scaffolding Steel Tube

Product Description 

Dimensions,mass and tolerances according to EN39 / BS1139:
Dimensions
The specified outside diameter is 48.3MM and the specified wall thickness is 3.2MM for type 3 and 4.0MM for type 4;

Tolerances on dimensions
The tolerance on specified outside diameter is +/-0.5MM;
The tolerance on out of roundness is included in the diameter tolerance;
The tolerance on wall thickness is -10%;
The inside diameter of tubes shall allow insertion of agauge of diameter 37.7mm for aminimu length of 200mm;

Mass
The nominal mass per unit length of type 3 tube is 3.56kg/m and for type 4 tube 4.37kg/m

Tolerance on Mass
The mass deviation on a single tube shall notexceed -7.5% of the specified mass;