GB/T 4171 Q310GNH Weather steel plate

GB/T 4171 Q310GNH Weather steel plate is better than those of other structural steels in many applications. GB/T 4171 Q310GNH Weather steel plate is self-protecting:the rust layer on the surface becomes a tight oxide layer that slows down the progress of corrosion.

GB/T 4171 Q310GNH Weather steel plate is an economical, long-lasting and fully recyclable material. Q310GNH Weather steel plate is widely used in building construction,architecture,vehicles components,shipping,high pressure container,boiler,large structure steel etc.

GB/T 4171 Q310GNH Weather steel plate Specification

Thickness: 5-300mm

Width: 1500-3700mm

Length: 4000-18000mm

Heat Treatment: As rolled/Normalised

Q310GNH steel additional condition 

UT (Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered), Z Direction Test(Z15, Z25, Z35), Charpy V-Notch Impact Test, HIC test, NDT, PWHT( Simulated Post Weld Heat Treatment), NACE0175, The Third Party Test (Such as SGS Test), Coated or Shot Blasting and Painting.