Last updated: China GB/T 8732-2014 Steels of Blade for Steam Turbine

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Last updated: China GB/T 8732-2014 Steels of Blade for Steam Turbine.
New Garde	Old Grades	Chemical composition (mass fraction) / %
New Garde	Old Grades	C	Si	Mn	V	S	Ni	Cr	Mo	W	V	Cu	Al	Ti	N	Nb+Tab
12Cr13*	1Cr13	0.10-0.15	≤0.60	≤0.60	≤0.030	≤0.020	≤0.60	11.50-13.50	-		-	≤0.30	-	-	-	-
20Cr13*	2Cr13	0.16-0.24	≤0.60	≤0.60	≤0.030	≤0.020	≤0.60	12.00~14.00	-		-	≤0.30	-	-	-	-
12Cr12Mo*	1Cr12Mo	0.10-0.15	≤0.50	0.30-0.60	≤0.030	≤0.020	0.30-0.60	11.50-13.00	0.30-0.60	-	-	≤0.30	-	-	-	-
14Cr11MoV*	1Cr11MoV	0.11-0.18	≤0.50	≤0.60	≤0.030	≤0.020	≤0.60	10.00-11.50	0.50-0.70	-	0.25-0.40	≤0.30	-	-	-	-
15Cr12WMoV*	1Cr12W1MoV	0.12-0.18	≤0.50	0.50-0.90	≤0.030	≤0.020	0.40-0.80	11.00-13.00	0.50-0.70	0.70-1.10	0.15-0.30	≤0.30		-	-	-
21Cr12MoV*	2Cr12MoV	0.18-0.24	0.10-0.50	0.30-0.80	≤0.030	≤0.020	0.30-0.80	11.00-12.50	0.80-1.20		0.25-0.35	≤0.30	-	-	-	-
18Cr11NiMoNbVN	2Cr11NiMoNbVN	0.15-0.20	≤0.50	0.50-0.80	≤0.020	<0.015	0.30-0.60	10.00-12.00	0.60-0.90	-	0.20-0.30	≤0.10	≤0.03	-	0.040-0.090	Nb:0.20-0.60
22Cr12NiWMoV*	2Cr12NiMo1W1V	0.20-0.25	≤0.50	0.50-1.00	≤0.030	≤0.020	0.50-1.00	11.00-12.50	0.90-1.25	0.90-1.25	0.20-0.30	≤0.30	-	-	~	-
05Cr17Ni4Cu4Nb,	0Cr17Ni4Cu4Nb	≤0.055	≤1.00	≤0.50	≤0.030	≤0.020	3.80-4.50	15.00-16.00	-	-	-	3.00-3.70	≤0.050	≤0.050	≤0.050	0.15-0.35
14Cr12Ni2WMoV	1Cr12Ni2WIMo1V	0.11-0.16	0.10-0.35	0.40-0.80	≤0.025	≤0.020	2.20-2.50	10.50-12.50	1.00-1.40	1.00-1.40	0.15-0.35	-	≤0.05		-	-
14Cr12Ni3Mo2VN	1Cr12Ni3Mo2VN	0.10-0,17	≤0.30	0.50-0.90	≤0.020	≤0.015	2.00-3.00	11.00-12.75	1.50-2.00	-	0.25-0.40	≤0.15	≤0.04	≤0.02	0.010-0.050	-
14CrUW2MoNiVNbN	1Cr11MoNiW2VNbN	0.12-0.16	≤0.15	0.30-0.70	≤0.01S	≤0.015	0.35-0.6i5	10.00-11.00	0.35-0.50	1.50-1.90	0.14-0.20	≤0.10	-	-	0.040-0.080	0.05-0.11