... : HOT-DIPPED GALVNISED AFTER WELDING HOT-DIPPED GALVNISED BEFORE WELDING ...... FOR FINISH,WE CAN SUPPLY THE FOLLOWING KINDS:HOT-DIPPED GALVNISED ... ×10.6MM 19,20,21,221/2''×1/2'' 12.7MM×12.7MM 16,17,18,19,20,21,22,23,245/8 ... ×16MM 18,19,20,213/4''×3/4'' 19MM×19MM 16,17,18,19,20,211''×1'' 25.4MM×25.4MM ... 14,15,16,17,18,19,201-1/2''×1-1/2'' 38MM×38MM 14,15,16,17,18,19......6''×6'' 150MM×150MM 12,14,16 ...