tailieunhanh - Steel Designer's Manual Part 15

Tham khảo tài liệu 'steel designer's manual part 15', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Steel Designers Manual - 6th Edition 2003 European standards for structural steels 1073 Table 2a Symbols used in EN 10025 S. Structural steel E. Engineering steel .235. Minimum yield strength R. in N mm2 @ 16mm .JR. Longitudinal Charpy V-notch impacts 27J @ 20 C .J0. Longitudinal Charpy V-notch impacts 27J @ 0 C .J2. Longitudinal Charpy V-notch impacts 27J @ -20 C .K2. Longitudinal Charpy V-notch impacts 40J @ -20 C .G1 Rimming steel FU .G2 Rimming steel not permitted FN .G3 FLAT products Supply condition N . normalized or normalized rolled. LONG products Supply condition at manufacturer s discretion .G4 ALL products Supply condition at manufacturer s discretion Examples S235JRG1 S355K2G4 This material is copyright - all rights reserved. Reproduced under licence from The Steel Construction Institute on 12 2 2007 To buy a hardcopy version of this document call 01344 872775 or go to http Table 2b Symbols used in EN 10155 S. Structural steel .235. Minimum yield strength R. in N mm2 @ 16 mm .J0. Longitudinal Charpy V-notch impacts 27J @ 0 C .J2. Longitudinal Charpy V-notch impacts 27J @ -20 C .K2. Longitudinal Charpy V-notch impacts 40J @ -20 C .G1 FLAT products Supply condition N . normalized or normalized rolled. LONG products Supply condition at manufacturer s discretion .G2 All products Supply condition at manufacturer s discretion .W Weather resistant steel .P High phosphorus grade Examples S235J0WP S355K2G2W Table 2c Symbols used in EN 10113 S. Structural steel .275. Minimum yield strength R. in N mm2 @ 16 mm .N. Normalized or normalized rolled .M. Thermomechanically rolled .L Charpy V-notch impacts down to -50 C Examples S275N S355ML Table 2d Symbols used in EN 10137 S. Structural steel .460. Minimum yield strength R. in N mm2 @ 16mm .Q. Quenched and tempered .L Charpy V-notch impacts down to -40 C .L1 Charpy V-notch impacts down to -60 C Examples S460QL S620QL1 This material is copyright - all rights reserved. Reproduced under licence .