Chemical composition % of the ladle analysis of grade Q235 C Si Mn P S Cr Ni Mo V Max 0.17 Max 0.30 0.35-0.80 0.035 0.03 W N Cu Co Pb B Nb Al Other Ti Ta Mechanical properties of grade Q235 Annealing hardness HBS Cold pull hardness HBS Preheatin g temperat ure C Quenching temperature C Holding time min Hardening medium Temper te mperature , best s960ql steel h beam
Post free buying requirement for product Q235A (GB ) Chemical composition and properties of european equivalents (EN) for Q235A (China, GB ): S235JR (1.0038(dubl)) , Q235A (China, GB ) - European (EU, EN) and wordwide Steel equivalent grades. These comparison table is only intended as an indication of the closest khown equivalent grades.
Q235 carbon steel contains four different grades as Q235A,Q235B,Q235C and Q235D.The big difference among these four carbon steel grades is the impacting temperature.
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Q235A Included in 3 standards (China) Standards. GB/T 3091 Welded steel pipe for low pressure liquid delively GB/T 3524 Hot-rolled cardon and low alloy structural steel strips GB/T 700 Carbon Structural Steels. Chemical composition. C < 0.22 Si < 0.35 Mn < 1.4 P < 0.045. S < 0.05 Cr < 0.3 Ni < 0.3 Cu < 0.3.
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