QUENCHED AND TEMPERED STEELS

Quenched and tempered steels are unalloyed and alloyed machine manufacture steels featuring high saturation at a certain tensile strength after quenching and tempering process, which are suitable for hardening in terms of their chemical composition, particularly carbon amount.



CHEMICAL COMPOSITION
Material No Symbol AISI-SAE C Si Mn Pmax Smax Cr Mo Ni V
1.0402 C 22 1020 0,18
0,25		 0,15
0,35		 0,30
0,60		 0,045 0,045        
1.0501 C 35 1035 0,32
0,39		 0,15
0,35		 0,50
0,80		 0,045 0,045        
1.0503 C 45 1045 0,42
0,50		 0,15
0,35		 0,50
0,80		 0,045 0,045        
1.0535 C 55 1050 0,52
0,60		 0,15
0,35		 0,60
0,90		 0,045 0,045        
1.0601 C 60 1060 0,57
0,65		 0,15
0,35		 0,60
0,90		 0,045 0,045        
1.5065 28Mn6 1330 0,25
0,32		 0,15
0,40		 1,30
1,65		 0,035 0,035        
1.7003 38Cr2   0,34
0,41		 0,15
0,40		 0,50
0,80		 0,035 0,035 0,40
0,60		      
1.7033 34Cr4 5132 0,30
0,37		 0,15
0,40		 0,60
0,90		 0,035 0,035 0,90
1,20		      
1.7035 41Cr4 5140 0,38
0,45		 0,15
0,40		 0,60
0,90		 0,035 0,035 0,90
1,20		      
1.7218 25CrMo4 4130 0,22
0,29		 0,15
0,40		 0,50
0,80		 0,035 0,035 0,90
1,20		 0,15
0,30		    
1.7220 34CrMo4 4135 0,30
0,37		 0,15
0,40		 0,50
0,80		 0,035 0,035 0,90
1,20		 0,15
0,30		    
1.7225 42CrMo4 4140 0,38
0,45		 0,15
0,40		 0,50
0,80		 0,035 0,035 0,90
1,20		 0,15
0,30		    
1.7228 50CrMo4 4150 0,46
0,51		 0,15
0,40		 0,50
0,80		 0,035 0,035 0,90
1,20		 0,15
0,30		    
1.7361 32CrMo12 4   0,28
0,35		 0,15
0,40		 0,40
0,70		 0,035 0,035 2,80
3,30		 0,30
0,50		 ≤ 0,30  
1.6511 36CrNiMo4 9840 0,30
0,38		 0,15
0,40		 0,40
0,70		 0,035 0,035 0,90
1,20		 0,15
0,30		 0,90
1,20		  
1.6582 34CrNiMo6 4340 0,30
0,38		 0,15
0,40		 0,40
0,70		 0,035 0,035 1,40
1,70		 0,15
0,30		 1,40
1,70		  
1.6580 30CrNiMo8   0,26
0,33		 0,15
0,40		 0,30
0,60		 0,035 0,035 1,80
2,20		 0,30
0,50		 1,80
2,20		  
1.8159 50CrV4 6150 0,47
0,55		 0,15
0,40		 0,70
1,10		 0,035 0,035 0,90
1,20		     0,10
0,20
1.7707 30CrMoV9   0,26
0,34		 0,15
0,40		 0,40
0,70		 0,035 0,035 2,30
2,70		 0,15
0,25		   0,10
0,20


Material No Symbol AISI-SAE FIELDS OF USE
1.0402 C 22 1020 Very light duty parts in making vehicles, machinery, engine and apparatuses
1.0501 C 35 1035 Making machinery, apparatus and vehicles
1.0503 C 45 1045 Medium duty parts in making vehicles, machinery, engine and apparatuses
1.0535 C 55 1050 Heavy duty parts in making vehicles, machinery, engine and apparatuses such as transmission component shaft, gear etc.
1.0601 C 60 1060 Very heavy duty parts such as shaft, axis, pin etc. in machinery and vehicle manufacture
1.5065 28Mn6 1330 In making general machinery and vehicles
1.7003 38Cr2   In making vehicles and engines
1.7033 34Cr4 5132 Crank shaft and other drive components, fore axis, axle housing parts in making vehicles and machines
1.7035 41Cr4 5140 Crank shaft, front axle, axle casing, steering shaft etc. parts in making vehicles and engines
1.7218 25CrMo4 4130 Axle shaft, axle casing, turbine parts and turbine blade etc. parts in making automobiles and vehicles
1.7220 34CrMo4 4135 Crank shaft, axle shaft and casing, spline shaft etc. parts with high ductility in making automobiles and planes
1.7225 42CrMo4 4140 gearwheel and bandage
1.7228 50CrMo4 4150 parts, transmission, steering and transmission component parts with high ductility in making automobiles and planes
1.7361 32CrMo12 4   Parts requiring endurance, ductility and high endurance in elasticity
1.6511 36CrNiMo4 9840 Very heavy duty parts such as axle casing, axle, crank shaft, axle bar etc. in making vehicles and engines
1.6582 34CrNiMo6 4340 Heavy duty parts such as crank shaft, camshaft in making automobiles and engines
1.6580 30CrNiMo8   Very heavy duty parts in which endurance, ductility and elasticity are prioritized in making automobiles and engines
1.8159 50CrV4 6150 Wearing parts such as gearwheel , shaft baffle part etc. in making automobiles and mechanisms
1.7707 30CrMoV9   Heavy duty crank shaft, stud bolt, bolt etc. parts at high ductility in automobiles and vehicles

MECHANICAL PARTICULARITIES IN PROCUREMENT OF QUENCHED AND TEMPERED STEELS

      Peculiarities to be guaranteed in procurement of material
            diameter
mm		 Yielding point
(0,2 limit)		 Tensile
strength		 rupture
elongation
Lₒ =5dₒ
      Yt Bç Fp
Material No Symbol AISI-SAE Brinell Hardness BSD30(<)   MPa
(min)		 MPa
(min)		 % ( min )
1.0402 C 22 1020 156 123
174		 - 16
40		 235 410
520		 27
1.0501 C 35 1035 183 143
197		 - 160
100		 275 490
635		 21
1.0503 C 45 1045 207 163
217		 - 160
100		 330 590
735		 17
1.0535 C 55 1050 229 - 229 160
100		 360 660
830		 15
1.0601 C 60 1060 241 - 241 160
100		 385 685
880		 14
1.5065 28Mn6 1330 223 - 223        
1.7003 38Cr2   207 - 207        
1.7033 34Cr4 5132 217 - 223        
1.7035 41Cr4 5140 217 - 241        
1.7218 25CrMo4 4130 212 - 212        
1.7220 34CrMo4 4135 217 - 223        
1.7225 42CrMo4 4140 214 - 241        
1.7228 50CrMo4 4150 235 - 248        
1.7361 32CrMo12 4   248 - 248        
1.6511 36CrNiMo4 9840 217 - 241        
1.6582 34CrNiMo6 4340 235 - 241        
1.6580 30CrNiMo8   248 - 269        
1.8159 50CrV4 6150 235 - 248        
1.7707 30CrMoV9   248 - 248        

HEAT TREATMENT CONDITIONS AND PARTICULARITIES OF QUENCHED AND TEMPERED STEELS

      hot working temperature soft annealing temperature soft annealing hardness Normal annealing temperature Hardening medium and cooling temperature Tempering temperature
Material No Symbol AISI-SAE ᵒC ᵒC ≥ BSD 30 ᵒC water
ᵒC		 oil
ᵒC		 ᵒC
1.0402 C 22 1020 1100
900		 650
700		 156 880
910		 860
890		 870
900		 540
680
1.0501 C 35 1035 1100
850		 650
700		 183 860
890		 840
870		 850
880		 540
680
1.0503 C 45 1045 1100
850		 650
700		 207 840
870		 820
850		 830
860		 540
680
1.0535 C 55 1050 1100
850		 650
700		 229 830
860		 805
835		 815
845		 540
680
1.0601 C 60 1060 1100
850		 650
700		 241 820
850		 800
830		 810
840		 540
680
1.5065 28Mn6 1330 1100
850		 650
700		 223 850
880		 820
850		 830
860		 540
680
1.7003 38Cr2   1100
850		 680
720		 223 850
890		 830
860		 840
870		 540
680
1.7033 34Cr4 5132 1100
850		 680
720		 223 850
890		 830
860		 840
870		 540
680
1.7035 41Cr4 5140 1100
850		 680
720		 241 840
880		 820
850		 830
860		 540
680
1.7218 25CrMo4 4130 1100
850		 680
720		 212 860
890		 840
870		 850
880		 540
680
1.7220 34CrMo4 4135 1100
850		 680
720		 223 850
890		 830
860		 840
870		 540
680
1.7225 42CrMo4 4140 1100
850		 680
720		 241 840
880		 820
850		 830
860		 540
680
1.7228 50CrMo4 4150 1100
850		 680
720		 248 840
880		 820
850		 830
860		 540
680
1.7361 32CrMo12 4   1100
850		 680
720		 248 880
920		 - 860
900		 540
680
1.6511 36CrNiMo4 9840 1100
850		 680
720		 248 850
880		 820
850		 830
860		 540
680
1.6582 34CrNiMo6 4340 1100
850		 680
720		 248 850
880		 - 830
860		 540
680
1.6580 30CrNiMo8   1100
850		 680
720		 248 850
880		 - 830
860		 540
680
1.8159 50CrV4 6150 1100
850		 680
720		 248 840
880		 820
850		 830
860		 540
680
1.7707 30CrMoV9   1100
850		 680
720		 248 860
900		 840
870		 850
880		 540
680

MECHANICAL PARTICULARITIES OF QUENCHED AND TEMPERED STEELS DEPENDING ON SECTION AND QUENCHING AND TEMPERING PROCESS

      MECHANICAL PARTICULARITIES AT QUENCHED AND TEMPERED STATE
      Yielding point (Re) Tensile strength (Rm) Rupture elongation (A) Constriction (Z) Notch impact (DVM)
      ≤16
mm		 >16
≤40
mm		 >40
≤100
mm		 >100
≤160
mm		 ≤16
mm		 >16
≤40
mm		 >40
≤100
mm		 >100
≤160
mm		 ≤16
mm		 >16
≤40
mm		 >40
≤100
mm		 >100
≤160
mm		 ≤16
mm		 >16
≤40
mm		 >40
≤100
mm		 >100
≤160
mm		 ≤16
mm		 >16
≤40
mm		 >40
≤100
mm		 >100
≤160
mm
Material No Symbol AISI-SAE ≥ Mpa Mpa > % > % >J
1.0402 C 22 1020 350 300 - - 550
700		 500
650		 - - 20 22 - - 40 45 - - - - - -
1.0501 C 35 1035 430 370 320 - 630
780		 600
750		 550
700		 - 17 19 20 - 35 40 45 - - - - -
1.0503 C 45 1045 500 430 370 - 700
850		 650
800		 630
780		 - 14 16 17 - 30 35 40 - - - - -
1.0535 C 55 1050 550 500 430 - 800
950		 750
900		 700
850		 - 12 14 15 - 25 30 35 - - - - -
1.0601 C 60 1060 580 520 450 - 850
1000		 800
950		 750
900		 - 11 13 14 - 20 25 30 - - - - -
1.5065 28Mn6 1330 590 490 440 - 780
930		 690
840		 640
790		 - 13 15 16 - 40 45 50 - 40 45 45 -
1.7003 38Cr2   550 450 350 - 800
950		 700
850		 600
750		 - 14 15 17 - 35 40 45 - 40 40 40 -
1.7033 34Cr4 5132 700 590 460 - 900
1100		 800
950		 700
850		 - 11 13 14 - 35 40 45 - 35 40 40 -
1.7035 41Cr4 5140 800 660 560 - 1100
1200		 900
1100		 800
950		 - 10 12 14 - 30 35 40 - 35 40 40 -
1.7218 25CrMo4 4130 700 600 450 400 900
1100		 800
950		 700
800		 650
800		 12 14 15 16 50 55 60 60 50 55 55 50
1.7220 34CrMo4 4135 800 650 550 500 1000
1200		 900
1000		 800
950		 750
900		 11 12 14 15 45 50 55 55 40 45 50 50
1.7225 42CrMo4 4140 900 750 650 550 1100
1300		 1000
1200		 900
1100		 800
950		 10 11 12 13 40 45 50 50 35 40 40 40
1.7228 50CrMo4 4150 900 780 700 650 1100
1300		 1000
1300		 900
1100		 850
1000		 9 10 12 13 40 45 50 50 35 35 35 35
1.7361 32CrMo12 4   1030 1030 885 785 1230
1420		 1230
1420		 1080
1270		 980
1180		 9 9 10 11 35 35 40 45 34 34 41 48
1.6511 36CrNiMo4 9840 900 800 700 600 1100
1300		 1100
1200		 900
1100		 800
950		 10 11 12 13 45 50 55 60 40 45 50 50
1.6582 34CrNiMo6 4340 1000 900 800 700 1200
1400		 1100
1300		 1000
1200		 900
1100		 9 10 11 12 40 45 50 55 40 50 50 50
1.6580 30CrNiMo8   1050 1050 900 800 1250
1450		 1250
1450		 1100
1300		 1000
1200		 9 9 10 11 40 40 45 50 35 35 40 50
1.8159 50CrV4 6150 900 800 700 650 1100
1300		 1000
1200		 900
1100		 850
1000		 9 10 12 13 40 45 50 50 35 35 35 35
1.7707 30CrMoV9   1050 1020 900 800 1250
1450		 1200
1450		 1100
1300		 1000
1200		 9 9 10 11 35 35 40 45 25 30 35 40


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