Paper 9.1 - Steel Innovations Conference 2013 Christchurch-Ver4.pdf
Paper 9.1 - Steel Innovations Conference 2013 Christchurch-Ver4.pdf Paper 9.1 - Steel Innovations Conference 2013 Christchurch-Ver4.pdf
Toughness of Pre-strained Steel • Steel 310UC158 G300+ Specimens taken from 25mm thick column flanges • Steel pre-strained in uni – axial tension – 4.9%, 9.8% & 17.7% • Specimens prepared from pre-strained material for: Charpy V-Notch CVN, tensile and CTOD, testing at various temperatures. • Naturally Aged for at least 2 months C Mn Si S P Ni V Nb Ti Al N 0.17 1.47 0.10 0.014 0.017 0.007 0.001 0.001 0.001 0.025 0.0064 Table 1 Mill certificate chemical analysis of 300Plus 310UC158, wt-%
Charpy V – Notch Transition Curves - effect of plastic prestrain - transition temperature increases with increasing prestrain
- Page 2 and 3: The Performance and Remnant Life of
- Page 4 and 5: Eccentrically Braced Frame (EBF) K
- Page 6 and 7: Structural Steel • 153 years sinc
- Page 8 and 9: Lamellar Tearing - RBNZ 1974 Sulphu
- Page 10 and 11: Certificate of Analysis and Mechani
- Page 12 and 13: Hardness Technique Grade 300Mpa ste
- Page 14 and 15: EBF - Web Plastic Strain - testing
- Page 16 and 17: Hardness versus Normalised Beam Dep
- Page 18 and 19: - paint peeled off centre of web -
- Page 22 and 23: Conclusions • Need knowledge of S
- Page 26: Tensile Properties -at 10˚C - sign
Toughness of Pre-strained <strong>Steel</strong><br />
• <strong>Steel</strong> 310UC158 G300+<br />
Specimens taken from<br />
25mm thick column flanges<br />
• <strong>Steel</strong> pre-strained in<br />
uni – axial tension<br />
– 4.9%, 9.8% & 17.7%<br />
• Specimens prepared from<br />
pre-strained material for:<br />
Charpy V-Notch CVN,<br />
tensile and CTOD, testing at<br />
various temperatures.<br />
• Naturally Aged for at least<br />
2 months<br />
C Mn Si S P Ni V Nb Ti Al N<br />
0.17 1.47 0.10 0.014 0.017 0.007 0.001 0.001 0.001 0.025 0.0064<br />
Table 1 Mill certificate chemical analysis of 300Plus 310UC158, wt-%
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