... .5mm Material quality:Q195,Q215,Q235,Q345 Prime quality Galvanized Pipe 1)Outer Diamete: 1/2" to 10"2)Wall thickness ... )Applicationspetroleum, power,gas metallurgy, papermaking, chemical, medical equipment, aviation, boiler heat, exchanger, shipbuilding, construction, etc.GALVANIZED PIPEO.DO.D toleranceW.TThickness Tolerance20 ... (20,000KGS)4) Delivery period : 10 to 30 Days . Galvanized Pipe