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Old 09-18-07, 04:58 AM
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blackjack51
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Originally Posted by asmallsol
I'm a materials enginEEring student (senior so I have a little credibility)........... Carbon itself is extremely stiff (modulus of elasticity is about 700 GPa compared to Reynolds 531 which is like AISI 4130 steel has a modulus of 205 GPa {when normalized to 870°C and air cooled.})

Hmmmm..... Where abouts are you studying?

Just reminding you that all structural steels have a modulus of elasticity of 205GPa regardless of whether it's normalised steel, annealed steel, quenched steel, Mild Steel, Carbon Steel, CrMo, Reynolds 531, Columbus Spirit etc etc
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