Sementasyon Çelikleri, düşük karbonlu ve düşük alaşımlı çeliklerdir. Uygun ısıl işlemle, çeliğin çekirdeğinde tokluk ve yumuşaklık, yüzey de ise sertlik ve aşınma dayanımı özelliklerine kavuşabilirler.

Malzeme No.	SEMENTASYON ÇELİKLERİNİN KİMYASAL BİLEŞİMİ ve KULLANIM ALANLARI
	Kalite		Kimyasal Bileşim (%)
	DIN	SAE / AISI	C	Si	Mn	Pmax	Smax	Cr	Mo	Ni
1.0301	C 10	1010	0.07-0.13	0.15-0.35	0.30-0.60	0.045	0.045	-	-	-
1.0401	C 15	1015	0.12-0.18	0.15-0.35	0.30-0.60	0.045	0.045	-	-	-
1.1121	Ck 10	1010	0.07-0.13	0.15-0.35	0.30-0.60	0.035	0.035	-	-	-
1.1140	Cm 15	-	0.12-0.18	0.15-0.35	0.40-0.60	0.035	0.020-0.35	-	-	-
1.7015	Ck 15	1015	0.12-0.18	0.15-0.40	0.40-0.60	0.035	0.035	0.40-0.70	-	-
1.7131	16 MnCr 5	5115	0.14-0.19	0.15-0.40	1.00-1.30	0.035	0.035	0.80-1.10	-	-
1.7147	20 MnCr 5	5120	0.17-0.22	0.15-0.40	0.60-0.90	0.035	0.035	1.00-1.30	-	-
1.7321	20 MoCr 4	-	0.17-0.22	0.15-0.40	0.60-0.90	0.035	0.035	0.30-0.50	0.40-0.50	-
1.7325	25 MoCr 4	-	0.23-0.29	0.15-0.40	0.40-0.60	0.035	0.035	0.40-0.60	0.40-0.50	-
1.5919	15 CrNi 6	-	0.12-0.17	0.15-0.40	0.40-0.60	0.035	0.035	1.40-1.70	-	1.40-1.70
1.5920	18 CrNi 8	-	0.15-0.20	0.15-0.40	0.40-0.60	0.035	0.035	1.80-2.10	-	1.80-2.10
1.6587	17 CrNiMo 6	-	0.14-0.19	0.15-0.40	0.40-0.60	0.035	0.035	1.50-1.80	0.25-0.35	1.40-1.70
1.6523	21 CrNiMo 2	8620	0.18-0.23	0.20-0.35	0.70-0.90	0.040	0.040	0.40-0.60	0.15-0.25	0.40-0.70
1.7015	15 Cr 3	5015	0.12-0.18	0.15-0.40	0.40-0.60	0.035	0.035	0.40-0.70	-	-
1.7139	16 MnCrS 5	-	0.14-0.19	0.15-0.40	1.00-1.30	0.035	0.020-0.35	0.80-0.10	-	-
1.7149	20 MnCrS 5	-	0.17-0.22	0.15-0.40	1.10-1.40	0.035	0.020-0.35	1.00-1.30	-	-
1.7323	20 MoCrS 4	-	0.17-0.22	0.15-0.40	0.60-0.90	0.035	0.020-0.35	0.30-0.50	0.40-0.50	-
1.7326	25 MoCrS 4	-	0.23-0.29	0.15-0.40	0.60-0.90	0.035	0.020-0.35	0.40-0.60	0.40-0.50	-
1.5713	13 NiCr 6	3415	0.10-0.17	0.15-0.35	0.30-0.50	0.035	0.035	0.65-0.85	-	1.35-1.50
1.5752	14 NiCr15	3415/3310	0.10-0.18	0.15-0.40	0.40-0.70	0.035	0.035	0.60-0.90	-	3.00-3.50
1.7243	18 CrMo 4	-	0.15-0.21	0.15-0.40	0.60-0.90	0.035	0.035	0.90-1.20	0.15-0.25	-