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Sementasyon Çelikleri


Sementasyon çelikleri, yüzeyde sert ve aşınmaya dayanıklı, çekirdekte ise yumuşak ve tok özelliklerin istendiği, değişken ve darbeli zorlamalara dayanıklı parçaların imalinde kullanılan, düşük karbonlu, alaşımsız veya alaşımlı çeliklerdir.

Parçaya bu özelliklerin kazandırılması, çelik yüzeyine karbon emdirilmesi suretiyle olur. Sementasyon çelikleri, dişliler, miller, piston pimleri, zincir baklaları, zincir dişlileri ve makaraları, diskler, kılavuz yatakları, merdaneler, bir kısım ölçü ve kontrol aletleri, orta zorlamalı veya zorlamalı parçalar, soğuk şişirilerek veya fışkırtılarak (ekstürüzyon) şekillendirilen parçalar, kesici takımlar gibi parçaların imalinde kullanılırlar.

KİMYASAL ANALİZLER
Kısa İşareti Malz. No KİMYASAL BİLEŞİM (% Ağırlık)
C Si max Mn P max S Cr Mo Ni B Pb Al
C 10 E 1.1121 0.07-0.13 0.40 0.30-0.60 0.035 0.035 max - - - - - -
C 10 R 1.1207 0.07-0.13 0.40 0.30-0.60 0.035 0.020-0.040 - - - - - 0.020-0.050
C 10 Pb - 0.07-0.13 0.40 0.30-0.60 0.035 0.020-0.040 - - - - 0.15- 0.30 -
C 15 E 1.1141 0.12-0.18 0.40 0.30-0.60 0.035 0.035 max - - - - - -
C 15 R 1.1140 0.12-0.18 0.40 0.30-0.60 0.035 0.020-0.040 - - - - - -
C 15 R Pb - 0.12-0.18 0.40 0.30-0.60 0.035 0.020-0.040 - - - - 0.15- 0.30 0.020- 0.050
C 16 E 1.1148 0.12-0.18 0.40 0.60-0.90 0.035 0.035 max - - - - - -
C 16 R 1.1208 0.12-0.18 0.40 0.60-0.90 0.035 0.020-0.040 - - - - - -
17 Cr 3 1.7016 0.14-0.20 0.40 0.60-0.90 0.035 0.035 max 0.70-1.00 - - - - -
17 CrS 3 1.7014 0.14-0.20 0.40 0.60-0.90 0.035 0.020-0.040 0.70-1.00 - - - - -
28 Cr 4 1.7030 0.24-0.31 0.40 0.60-0.90 0.035 0.035 max 0.90-1.20 - - - - -
28 CrS 4 1.7036 0.24-0.31 0.40 0.60-0.90 0.035 0.020-0.040 0.90-1.20 - - - - -
16 MnCr 5 1.7131 0.14-0.19 0.40 1.00-1.30 0.035 0.035 max 0.80-1.10 - - - - -
16 MnCrS 5 1.7139 0.14-0.19 0.40 1.00-1.30 0.035 0.020-0.040 0.80-1.10 - - - - -
16 MnCrS 5 Pb - 0.14-0.19 0.40 1.00-1.30 0.035 0.020-0.040 0.80-1.10 - - - 0.15- 0.30 0.020- 0.050
16 MnCrB 5 1.7160 0.14-0.19 0.40 1.00-1.30 0.035 0.035 max 0.80-1.10 - - 0.0008- 0.0050 - -
20 MnCr 5 1.7147 0.17-0.22 0.40 1.00-1.30 0.035 0.035 max 1.00-1.30 - - - - -
20 MnCrS 5 1.7149 0.17-0.22 0.40 1.00-1.30 0.035 0.020-0.040 1.00-1.30 - - - - -
18 CrMo 4 1.7243 0.15-0.21 0.40 0.60-0.90 0.035 0.035 max 0.90-1.20 0.15-0.25 - - - -
18 CrMoS 4 1.7244 0.15-0.21 0.40 0.60-0.90 0.035 0.020-0.040 0.90-1.20 0.15-0.25 - - - -
22 CrMoS 3-5 1.7333 0.19-0.24 0.40 0.70-1.00 0.035 0.020-0.040 0.70-1.00 0.40-0.50 - - - -
20 MoCr 3 1.7320 0.17-0.23 0.40 0.60-0.90 0.035 0.035 max 0.40-0.70 0.30-0.40 - - - -
20 MoCrS 3 1.7319 0.17-0.23 0.40 0.60-0.90 0.035 0.020-0.040 0.40-0.70 0.30-0.40 - - - -
20 MoCr 4 1.7321 0.17-0.23 0.40 0.70-1.00 0.035 0.035 max 0.30-0.60 0.40-0.50 - - - -
20 MoCrS 4 1.7323 0.17-0.23 0.40 0.70-1.00 0.035 0.020-0.040 0.30-0.60 0.40-0.50 - - - -
16 NiCr 4 1.5714 0.13-0.19 0.40 0.70-1.00 0.035 0.035 max 0.60-1.00 - 0.80-1.10 - - -
16 NiCrS 4 1.5715 0.13-0.19 0.40 0.70-1.00 0.035 0.020-0.040 0.60-1.00 - 0.80-1.10 - - -
16 NiCrS 4 Pb - 0.13-0.19 0.40 0.70-1.00 0.035 0.020-0.040 0.60-1.00 - 0.80-1.10 - 0.15- 0.30 0.020- 0.050
10 NiCr 5-4 1.5805 0.07-0.12 0.40 0.60-0.90 0.035 0.035 max 0.90-1.20 - 1.20-1.50 - - -
18 NiCr 5-4 1.5810 0.16-0.21 0.40 0.60-0.90 0.035 0.035 max 0.90-1.20 - 1.20-1.50 - - -
17 CrNi 6-6 1.5918 0.14-0.20 0.40 0.50-0.90 0.035 0.035 max 1.40-1.70 - 1.40-1.70 - - -
15 NiCr 13 1.5752 0.14-0.20 0.40 0.40-0.70 0.035 0.035 max 0.60-0.90 - 3.00-3.50 - - -
20 NiCrMo 2-2 1.6523 0.17-0.23 0.40 0.65-0.95 0.035 0.035 max 0.35-0.70 0.15-0.25 0.40-0.70 - - -
20 NiCrMoS 2-2 1.6526 0.17-0.23 0.40 0.65-0.95 0.035 0.020-0.040 0.35-0.70 0.15-0.25 0.40-0.70 - - -
17 NiCrMo 6-4 1.6566 0.14-0.20 0.40 0.60-0.90 0.035 0.035 max 0.80-1.10 0.15-0.25 1.20-1.50 - - -
17 NiCrMoS 6-4 1.6569 0.14-0.20 0.40 0.60-0.90 0.035 0.020-0.040 0.80-1.10 0.15-0.25 1.20-1.50 - - -
17 NiCrMoS 6-4 Pb - 0.14-0.20 0.40 0.60-0.90 0.035 0.020-0.040 0.80-1.10 0.15-0.25 1.20-1.50 - 0.15- 0.30 0.020- 0.050
20 NiCrMoS 6-4 1.6571 0.16-0.23 0.40 0.50-0.90 0.035 0.020-0.040 0.60-0.90 0.25-0.35 1.40-1.70 - - -
18 CrNiMo 7-6 1.6587 0.15-0.21 0.40 0.50-0.90 0.035 0.035 max 1.50-1.80 0.25-0.35 1.40-1.70 - - -
14 NiCrMo 13-4 1.6657 0.11-0.17 0.40 0.30-0.60 0.035 0.035 max 0.80-1.10 0.10-0.25 3.00-3.50 - - -

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