1. Low alloy high strength structural steel Q235B and High Frequency Welded Light Gauge H sections 2. Size: ... contruction 1.standardGB/T 1591, GB/T700, ASTM, EN, DIN2. Steel gradeST37, A36, SS400, ST52, SM490, SM5703. Length6METER, 9 METERS, ... 12METERS or customized.4. packingBlack painting and in bundles5. shippingBy bulk cargo or container6. payment100% irrevocable L ...