| 第三节 高锰铸钢和耐磨铸钢
(1)俄罗斯ГOCT标准高锰铸钢的钢号与化学成分[ГOCT 977--1988](表7-4-7)。
表7-4-7 高锰铸钢的钢号与化学成分(质量分数)(%)
| 钢号 |
C |
Si |
Mn |
P
≤ |
S
≤ |
Cr |
Ni |
Mo |
其他 |
| 110Г13Л |
0.90-1.50 |
0.30-1.00 |
11.5-15.0 |
0.120 |
0.050 |
≤1.00 |
≤1.00 |
— |
— |
| 110Г13X2БPЛ |
0.90-1.50 |
0.30-1.00 |
11.5-14.5 |
0.120 |
0.050 |
1.0-2.0 |
≤0.50 |
— |
Nb0.08-0.12 |
| |
|
|
|
|
|
|
|
|
B0.001-0.006 |
| 110Г13ЮTЛ |
0.90-1.30 |
0.40-0.90 |
11.5-14.5 |
0.120 |
0.050 |
— |
— |
0.10-0.30 |
Ti0.01-0.05 |
| 130Г14XМФAЛ |
1.20-1.40 |
≤0.60 |
12.5-15.0 |
0.07 |
0.050 |
1.00-1.50 |
≤1.00 |
0.08-0.12 |
N0.025-0.050 |
| 120Г10ФЛ |
0.90-1.40 |
0.20-0.90 |
850-12.0 |
0.120 |
0.050 |
≤1.00 |
≤1.00 |
0.03-0.12 |
Ti≤0.15 |
| |
|
|
|
|
|
|
|
|
Nb≤0.01
N≤0.03
Cu≤0.70 |
(2)俄罗斯ГOCT标准低温用耐磨铸钢[ГOCT 21357-1987]
a.低温用耐磨铸钢的钢号与化学成分,见表7-4-8。
表7-4-8 低温用耐磨铸钢的钢号与化学成分(质量分数)(%)
| 钢号 |
C |
Si |
Mn |
Cr |
Ni |
Mo |
V |
其他 |
| 08Г2ДHФЛ |
0.05-0.10 |
0.15-0.40 |
1.30-1.70 |
≤0.30 |
1.15-1.55 |
— |
0.02-0.08 |
Cu8.00-1.10 |
| 12XГФЛ |
0.10-0.16 |
0.30-0.50 |
0.90-1.40 |
0.20-0.30 |
≤0.30 |
— |
0.05-0.10 |
Cu≤0.30 |
| 14X2ГМPЛ |
0.10-0.17 |
0.20-0.42 |
0.90-1.20 |
1.40-1.70 |
≤0.30 |
0.45-0.55 |
— |
Cu≤0.30 |
| |
|
|
|
|
|
|
|
B-0.004 |
| 20ГЛ |
0.17-0.25 |
0.30-0.50 |
1.10-1.40 |
≤0.30 |
≤0.30 |
— |
— |
Cu≤0.30 |
| 20ФTЛ |
0.14-0.22 |
0.30-0.50 |
0.80-1.20 |
≤0.30 |
≤0.30 |
— |
0.01-0.06 |
Cu≤0.30 |
| |
|
|
|
|
|
|
|
Ti0.01-0.025 |
| 20XГCФЛ |
0.22-0.30 |
0.50-0.70 |
0.90-1.30 |
0.30-0.60 |
≤0.40 |
— |
0.07-0.13 |
Cu≤0.30 |
| 25X2HЛМЛ |
0.23-0.30 |
0.20-0.40 |
0.50-0.80 |
1.60-1.90 |
0.60-0.90 |
0.20-0.30 |
— |
Cu≤0.30 |
| 27XH2ЛМФЛ |
0.22-0.31 |
0.20-0.42 |
0.60-0.90 |
0.80-1.20 |
1.65-2.00 |
0.30-0.50 |
0.08-0.15 |
Cu≤0.30 |
| 27XГCHЛМДTЛ |
0.25-0.35 |
0.70-1.30 |
0.90-1.50 |
0.70-1.30 |
0.70-1.20 |
0.10-0.30 |
— |
Cu≤0.30-0.50 |
| |
|
|
|
|
|
|
|
Ti0.03-0.07 |
| 30ГЛ |
0.25-0.35 |
0.20-0.50 |
1.20-1.60 |
≤0.30 |
≤0.30 |
— |
— |
Cu≤0.30 |
| 30XГ2CTЛ |
0.25-0.35 |
0.40-0.80 |
1.50-1.80 |
0.60-1.00 |
≤0.30 |
— |
— |
Cu≤0.30 |
| |
|
|
|
|
|
|
|
Ti0.01-0.04 |
| 30XЛ |
0.25-0.35 |
0.20-0.50 |
0.50-0.90 |
0.50-0.80 |
≤0.30 |
— |
— |
Cu≤0.30 |
| 35XМФЛ |
0.30-0.40 |
0.20-0.40 |
0.40-0.60 |
0.80-1.10 |
≤0.30 |
0.08-0.15 |
0.06-0.12 |
Cu≤0.30 |
| 35XМЛ |
0.30-0.40 |
0.20-0.40 |
0.40-0.90 |
0.90-1.10 |
≤0.30 |
0.20-0.30 |
— |
Cu≤0.30 |
| 110Г13Л |
0.90-1.20 |
0.40-0.90 |
11.5-14.5 |
≤0.30 |
≤0.30 |
— |
— |
Cu≤0.30 |
| 110Г13XЪPЛ |
0.90-1.30 |
0.30-0.90 |
11.5-14.5 |
0.80-1.50 |
≤0.30 |
— |
— |
Cu≤0.30 |
| |
|
|
|
|
|
|
|
Ni0.06-0.10
B0.002-0.005 |
b.低温用耐磨铸钢的力学性能,见表7-4-9。
表7-4-9 低温用耐磨铸钢的力学性能
| 牌号 |
推荐热处理规范∕℃ |
力学性能(不小于) |
冲击韧度/(kJ/m2) |
硬度HBS |
| σS①/MPa |
σb/MPa |
δ(%) |
Ψ
(%) |
Kcv-60 |
Kcu-60 |
| 08Г2ДHФЛ |
正火:930-970
正火:920-950,回火:590-630 |
400 |
500 |
20 |
45 |
2.5 |
4.0 |
— |
| 12XГФЛ |
正火:930-950: |
340 |
470 |
20 |
35 |
2.0 |
3.0 |
— |
| 14X2ГМPЛ |
淬火:920-930水冷,回火:630-650 |
600 |
700 |
14 |
25 |
3.0 |
5.0 |
— |
| 20ГЛ |
正火:620-940
淬火:920-940水冷,回火:600-620 |
300
400 |
500
550 |
20
15 |
35
30 |
2.0
2.0 |
3.0
3.0 |
— |
| 20ФTЛ |
正火:940-960
淬火:930-950水冷,回火:600-650 |
320
450 |
520
570 |
20
15 |
35
30 |
2.0
2.0 |
3.0
3.0 |
— |
| 20XГCФЛ |
正火:900-920,回火:630-650
淬火:900-920水冷,回火:650-670 |
320
450 |
500
600 |
18
14 |
30
25 |
2.0
2.0 |
3.0
3.0 |
— |
| 25X2HЛМЛ |
淬火:860-880水冷,回火:580-600 |
700 |
800 |
12 |
25 |
2.5 |
3.0 |
— |
| 27XH2ЛМФЛ |
淬火:880-920水冷,回火:570-590 |
800 |
1000 |
10 |
22 |
2.0 |
3.0 |
265 |
| 27XГCHЛМДTЛ |
正火:910-930,回火:590-610
淬火:910-930水冷,回火:640-660
淬火:910-930水冷,回火:200-220 |
650
700
1150 |
800
850
1400 |
12
12
8 |
20
25
12 |
3.0
3.5
2.5 |
5.0
5.0
4.0 |
—
—
390 |
| 30ГЛ |
淬火:920-950水冷,回火:600-650 |
490 |
660 |
10 |
20 |
2.0 |
3.0 |
— |
| 30XГ2CTЛ |
正火:890-910,回火:640-660
淬火:870-890,回火:640-660
淬火:870-890水冷,回火:200-220 |
600
650
1300 |
700
750
1600 |
12
15
4 |
40
40
15 |
2.5
2.5
2.0 |
3.5
3.5
3.0 |
—
—
400 |
| 30XЛ |
淬火:920-950水冷,回火:600-650 |
550 |
660 |
10 |
20 |
2.0 |
3.0 |
— |
| 35XМФЛ |
正火:900-920,回火:640-670
淬火:890-910水冷,回火:650-670 |
420
550 |
630
700 |
12
12 |
20
25 |
1.8
2.0 |
2.5
3.0 |
—
— |
| 35XМЛ |
淬火:890-910油冷,回火:620-640 |
600 |
700 |
10 |
18 |
2.0 |
3.0 |
|
| 110Г13Л |
淬火:1050-1100水冷 |
400 |
800 |
25 |
35 |
7.0 |
— |
190 |
| 110Г13XЪPЛ |
淬火:1050-1100水冷 |
480 |
750 |
20 |
30 |
5.0 |
— |
190 |
①屈服点或屈服强度。
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