18CrNiMo7-6 hot rolled steel round bars

18CrNiMo7-6 is a case hardening steel with high toughness. There are a number of variants with high cleanliness requirements. All variants possess tighter composition ranges compared to the standard. produced with the quality class IQ (isotropic quality). This ensures a very low number of elongated sulphide inclusions which will give more isotropic properties. The high oxidic cleanliness will enable the steel to meet the same high cleanliness demands as for re-melted qualities
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Q235A steel plate

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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Q235C steel plate

Q235C mild steel plate is mainly used for building steel structurals.The best equivalent steel grade is S235J0 under steel specification EN 10025-2.Q235C shall be done low temperature impacting test under zero centigrade.
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20# hot rolled steel sheet

No. 20 round steel belongs to high-quality low-carbon carbon steel, cold-extruded, carburized and hardened steel.
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Q235D steel plate

GB/T700 Q235D shall be done low temperature impacting test under minus 20 centigrade.Normally As-rolled and Control-rolled is ok for rolling Q235D,normalized is suggested when the steel plates are heavy thickness.
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