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CARBON AND ANNEALING STEELS

Annealing steels are alloyed and unalloyed machine-building steels that are suitable for hardening, especially in terms of carbon content, and show high toughness at a certain tensile strength at the end of the annealing process. The annealing  process is described as a combination of first hardening and then tempering processes, in which high toughness will be given to the steel part. Due to the superior mechanical properties they gain at the end of the treatment process, annealing steels are mainly used in the manufacture of various machine and engine parts, forging parts, nuts, bolts and studs, crankshafts, axles, control and drive parts, piston rods, various shafts, gears and shafts. They form an important part of machine-manufacturing parts.

The selection of the appropriate annealing steel and the application of the correct breeding process is an event that requires a lot of attention and experience. The good results of the reclamation process (reaching the desired hardness and toughness values) are closely related to the internal structure cleaning of the steel used. Internal structure cleaning is related to the purification of liquid steel from impurities (such as hydrogen, oxygen, nitrogen) dissolved in its body and cleaning it from oxide and sulfur inclusions.

  • ANNEALING STEELS AND COMPOUNDS
  • ANNEALING STEELS MECHANICAL PROPERTIES
  • ANNEALING STEEL USAGE PLACES

 ANNEALING STEELS AND COMPOUNDS

Item Number
DIN SAE/ AISICSimaxMn PmaxSmaxCrMoNiV
1.0402C 2210200.18-0.250,400.30-0.600.0450.045----
1.0501C 3510350.32-0.390,400.50-0.800.0450.045----
1.0503C 4510450.42-0.500,400.50-0.800.0450.045----
1.0535C 5510550.52-0.600,400.60-0.900.0450.045----
1.0601C 6010600.57-0.650,400.60-0.900.0450.045----
1,1151Ck 221020/10230.18-0.250,400.30-0.600.0350.035----
1.1180Cm 3510350.32-0.490,400.50-0.800.0350.020-0.035----
1.1181Ck 3510350.32-0.390,400.50-0.800.0350.035----
1.1186Ck 4010400.37-0.440,400.50-0.800.0350.035----
1.1191Ck 4510450.42-0.500,400.50-0.800.0350.035----
1.1201Cm 4510450.42-0.500,400.50-0.800.0350.020-0.035----
1.1203Ck 5510550.52-0.600,400.60-0.900.0350.035----
1.1206Ck 5010500.45-0.550,400.60-0.900.0350.035----
1.1209Cm 5510550.52-0.600,400.60-0.900.0350.020-0.035----
1.1221Ck 6010600.57-0.650,400.60-0.900.0350.035----
1.1223Cm 60-0.57-0.650,400.60-0.900.0350.020-0.035----
1.503840 Mn 410390.36-0.440.25-0.500.80-1.100.0350.035----
1.506528 Mn 613300.25-0.320,401.30-1.650.0350.035----
1.651136 CrNiMo 498400.32-0.400,400.50-0800.0350.0350.90-1.200.15-0.300.90-1.20-
1.658030 CrNiMo 8-0.26-0.330,400.40-0700.0350.0351.40-1.700.30-0.501.80-2.20-
1.658234 CrNiMo 643400.30-0.380,400.30-0.600.0350.0351.80-2.200.15-0.301.40-1.70-
1.700338 Cr 2-0.34-0.410,400.50-0.800.0350.0350.40-0.60---
1.700646 Cr 250450.42-0.500,400.50-0.800.0350.0350.40-0.60---
1.703334 Cr 451320.30-0.370,400.60-0.900.0350.0350.90-1.20---
1.703437 Cr 451350.34-0.410,400.60-0.900.0350.0350.90-1.20---
1.703541 Cr 451400.38-0.450,400.60-0.900.0350.0350.90-1.20---
1.703734 CrS 4-0.30-0.370,400.60-0.900.0350.020-0.0350.90-1.20---
1.703837 CrS 4-0.34-0.410,400.60-0.900.0350.020-0.0350.90-1.20---
1.703941 CrS 4-0.38-0.450,400.50-0.800.0350.020-0.0350.90-1.20---
1.721825 CrMo 441300.22-0.290,400.50-0.800.0350.0350.90-1.200.15-0.30--
1.722034 CrMo 44135;41370.30-0.370,400.50-0.800.0350.0350.90-1.200.15-0.30--
1.722542 CrMo 441400.38-0.450,400.50-0.800.0350.0350.90-1.200.15-0.30--
1.722634 CrMoS 4-0.30-0.370,400.50-0.800.0350.020-0.0350.90-1.200.15-0.30--
1.722742 CrMoS 4-0.38-0.450,400.50-0.800.0350.020-0.0350.90-1.200.15-0.30--
1.722850 CrMo 441500.46-0.510,400.50-0.800.0350.0350.90-1.200.15-0.30--
1.736132 CrMo12 4-0.28-0.350,400.40-0.700.0350.0352.80-3.300.30-0.500.30-
1.770730 CrMoV 9-0.26-0.340,400.40-0.700.0350.0352.30-2.70--0.10-0.20
1.815950 CrV 461500.47-0.550,400.70-1.100.0350.0350.90-1.20--0.10-0.20
ANNEALING  STEELS  MECHANICAL PROPERTIES
Item numberDIN SAE/ AISIYield point(Re) ≥ MpaTensile Strength (σuts)Elongation at Rupture(A)LO=5 DOReduction of Area(Z) >%
≤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
1.0402C 221020350300  550-700500-650  2022  4045  
1.0501C 351035430370320 630-780600-750550-700 171920 354045 
1.0503C 451045500430370 700-850650-800630-780 141617 303540 
1.0535C 551055550500430 800-950750-900700-850 121415 253035 
1.0601C 601060580520450 850-1000800-950750-900 111314 202530 
1,1151Ck 221020/1023350300  550-700500-650  2022  5050  
1.1180Cm 351035430370320 630-780600-750550-700 171920 404550 
1.1181Ck 351035430370320 630-780600-750550-700 171920 354045 
1.1191Ck 451045500430370 700-850650-800630-780 141617 354045 
1.1201Cm 451045500430370 700-850650-800630-780 141617 354045 
1.1203Ck 551055550500430 800-950750-900700-850 121415 303540 
1.1209Cm 551055550500430 800-950750-900700-850 121415 303540 
1.1221Ck 601060580520450 850-1000800-950750-900 111314 253035 
1.1223Cm 60-580520450 850-1000800-950750-900 111314 253035 
1.503840 Mn 41039635540440 880-1080780-930690-830 121415 404550 
1.506528 Mn 61330590490440 780-930690-840640-790 131516 404550 
1.651136 CrNiMo 498409008007006001100-13001100-1200900-1000800-9501011121345505560
1.658030 CrNiMo 8-105010509008001250-14501250-14501100-13001000-120099101140404550
1.658234 CrNiMo 6434010009008007001200-14001100-13001000-1200900-1100910111240455055
1.700338 Cr 2-550450350 800-950700-850600-750 141517 354045 
1.700646 Cr 25045650550400 900-1100800-950650-800 111415 354045 
1.703334 Cr 45132700590460 900-1100800-950700-850 111314 354045 
1.703437 Cr 45135750630510 950-1150850-1000750-900 111314 354045 
1.703541 Cr 45140800660560 1100-1200900-1100800-950 101214 303540 
1.703734 CrS 4-700590460 900-1100800-950700-850 111314 354045 
1.703837 CrS 4-750630510 950-1150850-1000750-900 111314 354045 
1.703941 CrS 4-800660560 1100-1200900-1100800-950 101214 303540 
1.721825 CrMo 44130700600450400900-1100850-950700-800650-8001214151650556060
1.722034 CrMo 44135;41378006505505001000-1200900-1000800-950750-9001112141545505555
1.722542 CrMo 441409007506505501100-13001100-1200900-1100800-9501011121340455050
1.722634 CrMoS 4-8006505505001100-1200900-1100800-950750-9001112141545505555
1.722742 CrMoS 4-9007506505501100-13001000-1200900-1100800-9501011121340455050
1.722850 CrMo 441509007807006501100-13001000-1300900-1100800-1000910121340455050
1.736132 CrMo12 4-103010308857851230-14201230-14201080-1270980-118099101135354045
1.770730 CrMoV 9-105010209008001250-14501200-14501100-13001000-120099101135354045
1.815950 CrV 461509008007006501100-13001000-1200900-1100850-1000910121340455050
ANNEALING  STEEL USAGE PLACES
Item NumberDIN SAE/ AISIUSAGE PLACES
1.0402C 221020Parts that have little difficulty in the construction of vehicles, machinery, engines and apparatus
1.0501C 351035Parts for slightly high stresses in machinery, apparatus and vehicle construction
1.0503C 451045High-forced parts such as driveline shaft and gear in vehicle, engine, machinery and apparatus construction
1.0535C 551055High-forced parts such as drive train shaft and gear in machinery, vehicle and engine construction
1.0601C 601060In the manufacture of machinery and vehicles, shafts, axles, pins and similar, highly stressed parts
1,1151Ck 221020/ 1023Parts to be made of low-strength, high-purity steel in the construction of vehicles, machinery, engines and apparatus
1.1180Cm 351035Parts that are too hard to be shaped by machining in machine, vehicle, engine and apparatus construction
1.1181Ck 351035Parts to be made of steel, which are very difficult and require high purity in machine vehicle and engine construction
1.1186Ck 401040Parts to be made of medium-stress and high-purity steel in vehicle, machine, engine and apparatus construction
1.1191Ck 451045Parts to be made of medium-stress and high-purity steel in vehicle, machine, engine and apparatus construction
1.1201Cm 451045Medium-stressed and machining parts in machine, vehicle, engine and apparatus construction
1.1203Ck 551055Machine, vehicle, engine and apparatus in the construction of heavy-duty machining parts
1.1206Ck 501050Machine, vehicle, engine and apparatus in the construction of heavy-duty machining parts
1.1209Cm 551055Machining parts that are very difficult in machine vehicle and engine construction
1.1221Ck 601060Parts to be made of steel, which are very difficult and require high purity in machine vehicle and engine construction
1.1223Cm 60-Machining parts that are very difficult in machine vehicle and engine construction
1.503840 Mn 41039Mn alloy tempered steel parts in general machinery and vehicle construction
1.506528 Mn 61330Mn alloy tempered steel parts in general machinery and vehicle construction
1.651136 CrNiMo 49840In vehicle and engine construction, parts such as axles, axle sleeves, crankshafts, axles are under heavy stress.
1.658030 CrNiMo 8-Very difficult parts in automobile and engine construction where strength, ductility and elasticity are at the forefront.
1.658234 CrNiMo 64340In automobile and engine construction, very difficult parts such as crankshaft and other drive parts, front axle, axle sleeve
1.700338 Cr 2-Parts in vehicle and engine construction in general
1.700646 Cr 25045Parts in vehicle and engine construction in general
1.703334 Cr 45132Parts such as crankshaft and other drive parts, front axles, axle sleeves in vehicle and machinery construction
1.703437 Cr 45135Transmission parts, piston rod, crankshaft and gear wheels to be hardened in a cyanide bath
1.703541 Cr 45140Crankshaft, front axle, axle sleeve, steering shaft and similar parts in vehicle and engine construction
1.703734 CrS 4-Reconditioning steel parts to be machined, such as gearbox parts, shaft, piston rod
1.703837 CrS 4-Parts to be hardened in a cyanide bath, such as 1.7037
1.703941 CrS 4-Parts to be hardened in a cyanide bath, such as 1.7037
1.721825 CrMo 44130Parts such as axle shaft, axle sleeve, turbine parts and turbine blades in automobile and vehicle construction
1.722034 CrMo 44135;4137Crankshaft, axle shaft and sleeve, splined shaft and high ductility parts in automobile and aircraft construction
1.722542 CrMo 44140Like 1.7220, also cogwheel 
1.722634 CrMoS 4-Like 1.7220 (better machinable property.)
1.722742 CrMoS 4-Like 1.7220 (better machinable property.)
1.722850 CrMo 44150High ductility parts, transmission, steering parts in automobile and aircraft construction. driveline parts
1.736132 CrMo12 4-Parts with high demands on strength, ductility and elasticity
1.770730 CrMoV 9-High ductility, over-stressed crankshaft, stud, bolt, etc. in automobiles and vehicles. parts
1.815950 CrV 46150In the construction of automobiles and various mechanisms, such as gear wheels, shafts, steering parts, which are forced to wear. parts.

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