... , but slightly worse welding performance.• HXFD2 steel with high strength, certain plastic toughness, and good welding performance. ... gas shielded arc welding and submerged automatic arc welding) because of its high strength, certain toughness, good obdurability ... with higher cost performance• HXFD2 steel recommended. high-quality,high-strength and price-competitive bullet-proof steel plate HXFD1 ...