Standards: 1) French standard NF E25-513 2) German standard DIN125A/B, 9021,126,440R etc. 3) American standard USS/SAE, F/W 4) British standard BS3410 4320 5) Australian standard AS 1237. Or non-standard made to customers requirement. Surface treatment: 1) Self-color 2) Zinc plated (blue, yellow or black), hot dip galvanizing and mechanical deposit 3) Black Material: mild carbon steel Packing: Bulk in cartons or gunny bags then banded on pallets; small boxes into cartons then banded on pallets