ASTM A572 GR.50/55/60/65 H Beam is the most commonly used beam in construction. Its low content of alloy elements such as columbium vanadium optimize the properties in strength and atmospheric corrosion.
ASTM A283 A/B/C H Beam is a carbon and low alloy steel. The distribution of cross-sectional area is more optimized, and the ratio of strength to weight is more reasonable. ASTM A283 A/B/C H Beam is an economical section efficient profile.