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	C	Si	Mn	S	P	Cr
10	0.07-0.13	0.17-0.37	0.35-0.65	??0.035	??0.035
20	0.17-0.23	0.17-0.37	0.35-0.65	??0.035	??0.035
35	0.32-0.39	0.17-0.37	0.35-0.65	??0.035	??0.035
45	0.42-0.50	0.17-0.37	0.50-0.80	??0.035	??0.035
40Cr	0.37-0.44	0.17-0.37	0.50-0.80	??0.035	??0.035	0.08-1.10
25Mn	0.22-0.29	0.17-0.37	0.70-1.00	??0.035	??0.035	??0.25
37Mn5	0.30-0.39	0.15-0.30	1.20-1.50	??0.015	??0.020

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8*2	23*3	30*6	38*2.5	50*2	58*3	68*3	78*8
10*2.5	23*4	32*2	38*3	50*2.5	58*4	68*4	80*2
16*2	24*2	32*2.5	38*3.5	50*3	58*6	68*6	80*3
16*2.5	24*3	32*3	38*4	50*4	59*2	70*2	80*4
16*3	24*4	32*3.5	38*6	50*6	59*3	70*3	80*6
17*2	25*2	32*4	40*2	51*2	59*4	70*4	80*8
17*2.5	25*3	32*5	40*3	51*3	59*6	70*6	80*12
17*3	25*4	32*6	40*4	51*4	60*2	72*2	81*2
18*2	27*2	34*2	40*5	52*2	60*3	72*3	81*4
18*2.5	27*3	34*2.5	40*6	52*3	60*4	72*4	81*6
18*3	27*4	34*3	42*2	52*4	60*6	72*6	81*8
19*2	28*2	34*4	42*3	52*6	62*2	75*2	81*12
19*2.5	28*2.5	34*5	42*4	53*2	62*3	75*3	82*4

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