• GB/T 33533-2017 温泉服务 基本术语.pdf
• BS EN 10025-5-2019 Hot rolled products of structural steels — Part 5 Technical.pdf
• BS EN 10025-3-2019 Hot rolled products of structural steels — Part 3 Technical.pdf
• BS EN 10025-2-2019 Hot rolled products of structural steels — Part 2 Technical.pdf
• BS EN 10025-1-2004 Hot rolled products of structural steels — Part 1 General te.pdf
• BS EN 10055-1996 Hot rolled steel equal flange tees with radiused root and toes. Dimensions and tolerances on shape and dimensions .pdf