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Can I do quenching and tempering for increasing hardness?

Dear group, I have material with following analysis: %C=3.57 %Si=2.64 %Mn=0.489 %S=0.115 %P=0.02 %Cr=0.159 %Mo=0.008 %Ni=0.06 %Cu=0.07 Hardness of this material is 140HB. How can I have hardness 210HB with above mentioned analysis? Best Regards

Dear group, Is there any DIN standard for delivery condition of Nb-steel(plain carbon steel). Best Regards

Dear group, Is it possible to have impact energy 200J(Kv) for 1.2344 steel grade in quenched and tempered condition? Best Regards

S355 J2 G3~ ASTM A572 Gr. 50

1010-1020 is not HSLA. ASTM 1010~JIS S10C ASTM 1020~JIS S20C Regards

Dear group, What is equivalent steel (according to DIN or ASTM standard) for D25M6 steel grade? Best Regards

With mobile spectro

Dear group, For observation of retained austenite in 1.2345 steel grade, Please introduce suitable etchant. Best Regards

Dear group, I am going to buy final revision of Din standards(CD)(english edition). How can I buy these standards? Best Regards

Chemical composition is for 12Ch21N5T steel grade(GOST 5632).Unfortunately I have not GOST standard.

Dear group, I have steel grade with following composition: %c=0.13 %Mn=0.60 %Ni=4.9 %Ti=0.60 %Si=0.50 %Cr=21.0 %S=0.01 what is reason for adding Ti to this steel grade? Best Regards

Dear group, What is difference between DIN EN 10089 and BS EN 10089 standard? Best Regards

Dear group, In which ASTM standard I can find A350 LF6 steel grade? Besr Regards

Dear group, -Which stainless steels have delta ferrit phase during hot rolling? -what is effects of this phase on hot doctility? Best Regards

Dear Group I woulk like to know about melting process,hot rolling process and mechanical properties of 12Ch21N5T steel grade(GOST 5632). Best Regards

dear yates, I think,your idea is that mentioned properties made in quenched in oil and then tempering.

Dear Madam/Sirs EKABORE has been used for boronizing of parts. Waht is composion of EKABORE powder? Best Regards

Dear sirs Thank you for your answere,but Is it possible to have following mechanical properties for this steel grade when it cool in still air: Yield point:Min. 580N/mm^2 Tensile:850-1000N/mm^ Best Regards

Dear sirs Excuse me.The question was wrong. Question: As you know ,solution of fe in cu is difficult. How can I add fe to Al-boronz(17%Al)with 5% fe.(Cu-17Al-5%Fe). Best Regards