(1)美国ASTM标准一般用途承压铸钢[ASTM A487/A487M-1998]
a.承压铸钢的型号与化学成分,见表5-177。
表5-177 承压铸钢的型号与化学成分 (质量分数)(%)
等级 |
型号(类型) |
C |
Si |
Mn |
P ≤ |
S ≤ |
Cr |
Ni |
Mo |
其他 |
Grade1 |
ClassA,B,C(V) |
≤0.30 |
≤0.80 |
≤1.00 |
0.04 |
0.045 |
— |
— |
— |
V0.04~0.12 |
Grade2 |
ClassA,B,C(Mn-Mo) |
≤0.30 |
≤0.80 |
1.00~1.40 |
0.04 |
0.045 |
— |
— |
0.10~0.30 |
— |
Grade4 |
ClassA,B,C,D,E(Ni-Cr-Mo) |
≤0.30 |
≤0.80 |
≤1.00 |
0.04 |
0.045 |
0.40~0.80 |
0.40~0.80 |
0.15~0.30 |
— |
Grade6 |
ClassA,B(Mn-Ni-Cr-Mo) |
0.05~0.38 |
≤0.80 |
1.30~1.70 |
0.04 |
0.045 |
0.40~0.80 |
0.40~0.80 |
0.30~0.40 |
— |
Grade7 |
ClassA(Ni-Cr-Mo-V) |
0.05~0.20 |
≤0.80 |
0.60~1.00 |
0.04 |
0.045 |
0.40~0.80 |
0.70~1.00 |
0.40~0.60 |
V0.03~0.10 B0.002~0.006 Cu0.15~0.50 |
Grade8 |
ClassA,B,C(Cr-Mo) |
0.05~0.20 |
≤0.80 |
0.50~0.90 |
0.04 |
0.045 |
2.00~2.75 |
— |
0.92~1.10 |
— |
Grade9 |
ClassA,B,C,D,E(Cr-Mo) |
0.05~0.33 |
≤0.80 |
0.60~1.00 |
0.04 |
0.045 |
0.75~1.10 |
— |
0.15~0.30 |
— |
Grade10 |
ClassA,B(Ni-Cr-Mo) |
≤0.30 |
≤0.80 |
0.60~1.00 |
0.04 |
0.045 |
0.55~0.90 |
1.40~2.00 |
0.20~0.40 |
— |
Grade11 |
ClassA,B(Ni-Cr-Mo) |
0.05~0.20 |
≤0.60 |
0.50~0.80 |
0.04 |
0.045 |
0.50~0.80 |
0.70~1.10 |
0.45~0.65 |
— |
Grade12 |
ClassA,B(Ni-Cr-Mo) |
0.05~0.20 |
≤0.60 |
0.40~0.70 |
0.04 |
0.045 |
0.50~0.90 |
0.60~1.00 |
0.90~1.20 |
— |
Grade13 |
ClassA,B(Ni-Mo) |
≤0.30 |
≤0.60 |
0.80~1.10 |
0.04 |
0.045 |
— |
1.40~1.75 |
0.20~0.30 |
— |
Grade14 |
ClassA(Cr-Mo) |
≤0.55 |
≤0.60 |
0.80~1.10 |
0.04 |
0.045 |
— |
1.40~1.75 |
0.20~0.30 |
— |
Grade16 |
ClassA(C-Mn-Ni) |
≤0.12 |
≤0.50 |
≤2.10 |
0.02 |
0.02 |
— |
1.00~1.40 |
— |
— |
CA15 |
ClassA,B,C,D(Cr马氏体型) |
≤0.15 |
≤1.50 |
≤1.00 |
0.040 |
0.040 |
11.5~14.0 |
≤1.00 |
≤0.50 |
— |
CA15M |
ClassA(Cr马氏体型) |
≤0.15 |
≤0.65 |
≤1.00 |
0.040 |
0.040 |
11.5~14.0 |
≤1.00 |
0.15~0.10 |
— |
CA6NM |
ClassA,B(Cr-Ni) |
≤0.06 |
≤1.00 |
≤1.00 |
0.04 |
0.03 |
11.5~14.0 |
3.5~4.5 |
0.40~1.00 |
— |
b.承压铸钢的残余元素含量,见表5-178。
等级 |
型号 |
Cu |
Cr |
Ni |
Mo |
W |
V |
其他 |
Grade1 |
ClassA,B,C |
0.50 |
0.35 |
0.50 |
0.25 |
— |
— |
1.00 |
Grade2 |
ClassA,B,C |
0.50 |
0.35 |
0.50 |
— |
0.10 |
0.03 |
1.00 |
Grade4 |
ClassA,B,C,D,E |
0.50 |
— |
— |
— |
0.10 |
0.03 |
0.60 |
Grade6 |
ClassA,B |
0.50 |
— |
— |
— |
0.10 |
0.03 |
0.60 |
Grade7 |
ClassA |
0.50 |
— |
— |
— |
0.10 |
— |
0.60 |
Grade8 |
ClassA,B,C |
0.50 |
— |
— |
— |
0.10 |
0.03 |
0.60 |
Grade9 |
ClassA,B,C,D,E |
0.50 |
— |
0.50 |
— |
0.10 |
0.03 |
1.00 |
Grade10 |
ClassA,B |
0.50 |
— |
— |
— |
0.10 |
0.03 |
0.60 |
Grade11 |
ClassA,B |
0.50 |
— |
— |
— |
0.10 |
0.03 |
0.50 |
Grade12 |
ClassA,B |
0.50 |
— |
— |
— |
0.10 |
0.03 |
0.50 |
Grade13 |
ClassA,B |
0.50 |
— |
0.40 |
— |
0.10 |
0.03 |
0.75 |
Grade14 |
ClassA |
0.50 |
0.40 |
— |
— |
0.10 |
0.03 |
0.75 |
Grade16 |
ClassA |
0.50 |
0.20 |
— |
0.10 |
0.10 |
0.02 |
0.50 |
CA15 |
ClassA,B,C,D |
0.50 |
— |
— |
0.10 |
0.10 |
0.05 |
0.50 |
CA15M |
ClassA |
0.50 |
— |
— |
0.10 |
0.10 |
0.50 |
0.50 |
CA6NM |
ClassA,B |
0.50 |
— |
— |
0.10 |
0.10 |
0.50 |
0.50 |
c.承压铸钢的力学性能,见表 5-179。
等 级 |
型 号 |
力学性能 |
硬度 HBS |
σb/MPa |
σ0.2/MPa |
δ (%) |
φ(%) |
Grade1 |
Class A B C |
585~760 620~795 ≥620 |
380 450 450 |
22 22 22 |
40 45 45 |
— — 22 |
Grade2 |
Class A B C |
585~760 620~795 ≥620 |
365 450 450 |
22 22 22 |
35 40 40 |
— — 22 |
Grade4 |
Class A B C D E |
620~795 725~895 ≥620 ≥690 ≥795 |
415 585 415 515 655 |
18 17 18 17 15 |
40 35 35 35 35 |
— — 22 22 —
|
Grade6 |
Class A B
|
≥795 ≥825 |
550 650 |
18 12 |
30 25 |
— — |
Grade7 |
Class A |
≥795 |
690 |
15 |
30 |
— |
Grade8 |
Class A B C |
585~760 ≥725 ≥690 |
380 585 515 |
20 17 17 |
35 30 35 |
— — 22 |
Grade9 |
Class A B C D E |
≥620 ≥725 ≥620 ≥690 ≥795 |
415 585 415 515 655 |
18 16 18 17 15 |
35 35 35 35 35 |
— — — 22 — |
Grade10 |
Class A B |
≥690 ≥860
|
485 690 |
15 15 |
35 35 |
— — |
Grade11 |
Class A B |
485~655 725~895 |
275 585 |
20 17 |
35 35 |
— — |
Grade12 |
Class A B |
485~655 725~895 |
275 585 |
20 17 |
35 35 |
— — |
Grade13 |
Class A B |
620~795 725~895 |
415 585 |
18 17 |
35 35 |
— — |
Grade14 |
Class A |
825~1000 |
655 |
14 |
30 |
— |
Grade16 |
Class A |
485~655 |
275 |
22 |
35 |
— |
CA15 |
Class A B C D |
965~1170 620~795 ≥620 ≥620 |
760~895 450 415 515 |
10 18 18 17 |
25 30 35 35 |
— — 22 22 |
CA15M |
Class A |
620~795
|
450 |
18 |
30
|
— |
CA6NM |
Class A B |
760~930 ≥690 |
515 520 |
15 17 |
35 35 |
— 23 |
d.承压铸钢的热处理与焊后热处理,见表5-180。
等 级 |
型 号 |
热处理工艺条件 |
最低预热 温度/℃ |
焊后热处理 温度/℃ |
奥氏体化 温度/℃ |
冷却介质 |
淬冷到以下 温度/℃ |
回火温度 /℃ |
Grade1 |
Class A B C |
870 870 870 |
A L A或L |
≤230 ≤260 ≤260 |
595 595 620 |
95 95 95 |
≤595 ≤595 ≤620 |
Grade2 |
Class A B C |
870 870 870 |
A L A或L |
≤230 ≤260 ≤260 |
595 595 620 |
95 95 95 |
≤595 ≤595 ≤620 |
Grade4 |
Class A B C D E |
870 870 870 870 870 |
A或L L A或L L L |
≤260 ≤260 ≤260 ≤260 ≤260
|
595 595 620 620 595 |
95 95 95 95 95 |
≤595 ≤595 ≤620 ≤620 ≤595
|
Grade6 |
Class A B
|
845 845 |
A L |
≤260 ≤260 |
595 595 |
150 150 |
≤595 ≤595 |
Grade7 |
Class A |
900 |
L |
≤315 |
595 |
150 |
≤595 |
Grade8 |
Class A B C |
955 955 955 |
L L L |
≤260 ≤260 ≤260 |
675 675 675 |
150 150 150 |
≤675 ≤675 ≤675 |
Grade9 |
Class A B C D E |
870 870 870 870 870 |
A或L L A或L L L |
≤260 ≤260 ≤260 ≤260 ≤260 |
595 595 620 620 595 |
150 150 150 150 150 |
≤595 ≤620 ≤620 ≤620 ≤595 |
Grade10 |
Class A B |
845 845 |
A L |
≤260 ≤260 |
595 595 |
150 150 |
≤595 ≤595 |
Grade11 |
Class A B |
900 900 |
A L |
≤315 ≤315 |
595 595 |
150 150 |
≤595 ≤595 |
Grade12 |
Class A B |
955 955 |
A L |
≤315 ≤205 |
595 595 |
150 150 |
≤595 ≤595 |
Grade13 |
Class A B |
845 845 |
A L |
≤260 ≤260 |
595 595 |
205 205 |
≤595 ≤595 |
Grade14 |
Class A |
845 |
L |
≤315 |
595
|
205 |
≤595 |
Grade16 |
Class A |
870 |
A |
≤205 |
595
|
10 |
≤595 |
CA15 |
Class A B C D |
955 955 955 955 |
A或L A或L A或L A或L |
≤205 ≤205 ≤205 ≤205 |
565~620 595 620 595 |
205 205 205 205 |
≤595 ≤595 ≤620 ≤620 |
CA15M |
Class A |
955
|
A或L |
≤205 |
595
|
205 |
≤595 |
CA6NM |
Class A B |
1010 1010 |
A或L A或L |
≤195 ≤195 |
565/620 565/620 |
10 10 |
|
(2)美国ASTM标准与UNS系统高温下承压零件用合金铸钢[ASTM A389/A389M-1998]
a.承压零件用合金铸钢的钢号与化学成分,见表5-181。
钢 号 |
C |
Si |
Mn |
P ≤ |
S ≤ |
Cr |
Mo |
V |
ASTM |
UNS |
C23 |
J12080 |
≤0.20 |
≤0.60 |
0.30~0.80 |
0.04 |
0.045 |
1.00~1.45 |
0.45~0.65 |
0.15~0.25 |
C24 |
J12092 |
≤0.20 |
≤0.60 |
0.20~0.80 |
0.04 |
0.045 |
0.80~1.25 |
0.90~1.20 |
0.15~0.25 |
b.承压零件用合金铸钢的力学性能与热处理,见表-182。
钢 号 |
力学性能(不小于) |
正火温度 /℃ |
回 火 |
最低预热 温度/℃ |
ASTM |
UNS |
σb/MPa |
σs/MPa |
δ (%) |
φ(%) |
温度 /℃
|
保温时间 /h |
C23 |
J12080 |
483 |
276 |
18.0 |
35.0 |
1010~1065 |
675~730 |
1 |
150 |
C24 |
J12092 |
552 |
345 |
15.0 |
35.0 |
1010~1065 |
675~730 |
12 |
150 |
(3)美国ASTM标准与UNS系统高温下压力容器部件用合金铸钢与不锈铸钢[ASTM A217/A217M-1999]
a.高温用合金铸钢与不锈铸钢的钢号与化学成分,见表5-183。
表5-183 高温用合金铸钢与不锈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 |
ASTM |
UNS |
WC1 |
J12524 |
≤0.25 |
≤0.60 |
0.50~0.80 |
0.04 |
0.045 |
|
|
0.45~0.65 |
|
WC4 |
J12082 |
0.05~0.20 |
≤0.60 |
0.50~0.80 |
0.04 |
0.045 |
0.50~0.80 |
0.70~1.10 |
0.45~0.65 |
|
WC5 |
J22000 |
0.05~0.20 |
≤0.60 |
0.40~0.70 |
0.04 |
0.045 |
0.50~0.90 |
0.60~1.00 |
0.90~1.20 |
|
WC6 |
J12072 |
0.05~0.20 |
≤0.60 |
0.50~0.80 |
0.04 |
0.045 |
1.00~1.50 |
|
0.45~0.65 |
|
WC9 |
J21890 |
0.05~0.18 |
≤0.60 |
0.40~0.70 |
0.04 |
0.045 |
2.00~2.75 |
|
0.90~1.20 |
≤0.01 |
WC11 |
J11872 |
0.15~0.21 |
0.30~0.60 |
0.50~0.80 |
0.020 |
0.015 |
1.00~1.50 |
|
0.45~0.65 |
|
C5 |
J42045 |
≤0.20 |
≤0.75 |
0.40~0.70 |
0.04 |
0.045 |
4.00~6.50 |
|
0.45~0.65 |
|
C12 |
J82090 |
≤0.20 |
≤1.00 |
0.35~0.65 |
0.04 |
0.045 |
8.00~10.00 |
|
0.90~1.20 |
|
C12A |
J84090 |
0.08~0.12 |
≤0.60 |
0.30~0.60 |
0.020 |
0.010 |
8.00~9.50 |
|
0.85~1.05 |
Nb0.06~0.10 N0.03~0.07 |
CA15 |
J91150 |
≤0.15 |
≤1.50 |
≤1.00 |
0.04 |
0.040 |
11.5~14.0 |
≤1.00 |
≤0.50 |
|
b.高温用合金铸钢与不锈铸钢的残余元素含量,见表5-184。
表5-184 高温用合金铸钢与不锈铸钢的残余元素含量(质量分数)(≤%)
钢 号 |
Cu |
Ni |
Cr |
W |
V |
残余元素 总 量 |
ASTM |
UNS |
WC1 |
J12524 |
0.50 |
0.50 |
0.35 |
0.10 |
— |
1.00 |
WC4 |
J12082 |
0.50 |
— |
— |
0.10 |
— |
0.60 |
WC5 |
J22000 |
0.50 |
— |
— |
0.10 |
— |
0.60 |
WC6 |
J12072 |
0.50 |
0.50 |
— |
0.10 |
— |
1.00 |
WC9 |
J21890 |
0.50 |
0.50 |
— |
0.10 |
— |
1.00 |
WC11 |
J11872 |
0.35 |
0.50 |
— |
— |
0.03 |
1.00 |
C5 |
J42045 |
0.50 |
0.50 |
— |
0.10 |
— |
1.00 |
C12 |
J82090 |
0.50 |
0.50 |
— |
0.10 |
— |
1.00 |
C12A |
J84090 |
— |
0.40 |
— |
— |
0.18~0.25 |
1.00 |
CA15 |
J91150 |
|
|
(不规定) |
|
|
A10.040 |
c.高温用合金铸钢与不锈铸钢的力学性能,见表5-185。
钢 号 |
力学性能(不小于) |
最低预热 温度/℃ |
ASTM |
UNS |
σb/MPa |
σs/MPa |
δ (%) |
φ(%) |
WC1 |
J12524 |
450~620 |
240 |
24 |
35 |
10(厚度≤15.9mm时) 120(厚度>15.9mm时) |
WC4 |
J12082 |
485~655 |
275 |
20 |
35 |
150 |
WC5 |
J22000 |
485~655 |
275 |
20 |
35 |
150 |
WC6 |
J12072 |
485~655 |
275 |
20 |
35 |
150 |
WC9 |
J21890 |
485~655 |
275 |
20 |
35 |
200 |
WC11 |
J11872 |
550~725 |
345 |
18 |
45 |
150 |
C5 |
J42045 |
620~795 |
415 |
18 |
35 |
200 |
C12 |
J82090 |
620~795 |
415 |
18 |
35 |
200 |
C12A |
J84090 |
585~760 |
415 |
20 |
45 |
200 |
CA15 |
J91150 |
620~795 |
450 |
18 |
30 |
200 |
(4)美国ASTM标准与UNS系统低温下压力容器部件用合金铸钢与不锈铸钢[ASTM A352/A352M-1999]
a.低温用合金铸钢与不锈铸钢的力学性能,见表5-186。
钢 号 |
类型 |
C |
Si |
Mn |
P ≤ |
S ≤ |
Cr |
Ni |
Mo |
其他 |
ASTM |
UNS |
LCA |
J02504 |
C |
≤0.25 |
≤0.60 |
≤0.70 |
0.04 |
0.045 |
≤0.50 |
≤0.50 |
≤0.20 |
Cu≤0.30 V≤0.03 |
LCB |
J03003 |
C |
≤0.30 |
≤0.60 |
≤1.00 |
0.04 |
0.045 |
≤0.50 |
≤0.50 |
≤0.20 |
Cu≤0.30 V≤0.03 |
LCC |
J02505 |
C-Mn |
≤0.25 |
≤0.60 |
≤1.20 |
0.04 |
0.045 |
≤0.50 |
≤0.50 |
≤0.20 |
Cu≤0.30 V≤0.03 |
LC1 |
J12522 |
C-Mo |
≤0.25 |
≤0.60 |
0.50~0.80 |
0.04 |
0.045 |
— |
— |
0.45~0.65 |
— |
LC2 |
J22500 |
2.5Ni |
≤0.25 |
≤0.60 |
0.50~0.80 |
0.04 |
0.045 |
— |
2.00~3.00 |
— |
— |
LC2-1 |
J42215 |
Ni-Cr-Mo |
≤0.22 |
≤0.50 |
0.55~0.75 |
0.04 |
0.045 |
1.35~1.85 |
2.50~3.50 |
0.30~0.60 |
— |
LC3 |
J31550 |
3.5Ni |
≤0.15 |
≤0.60 |
0.50~0.80 |
0.04 |
0.045 |
— |
3.00~4.00 |
— |
— |
LC4 |
J41500 |
4.5Ni |
≤0.15 |
≤0.60 |
0.50~0.80 |
0.04 |
0.045 |
— |
4.00~5.00 |
— |
— |
LC9 |
J31300 |
9Ni |
≤0.13 |
≤0.45 |
≤0.90 |
0.04 |
0.045 |
≤0.50 |
8.50~10.0 |
≤0.20 |
— |
CA6NM |
J91540 |
12.5Cr-4Ni +Mo |
≤0.06 |
≤1.00 |
≤1.00 |
0.04 |
0.030 |
11.5~14.0 |
3.50~4.50 |
0.40~1.00 |
— |
b.低温用合金铸钢与不锈铸钢的力学性能,见表5-187。
钢 号 |
力学性能(不小于) |
夏比冲击吸引功,≥/J |
ASTM |
UNS |
σb/MPa |
σs/MPa |
δ (%) |
φ(%) |
平均值 |
单个值 |
实验温度/℃ |
LCA |
J02504 |
415~585 |
205 |
24 |
35 |
18 |
14 |
-32 |
LCB |
J03003 |
450~620 |
240 |
24 |
35 |
18 |
14 |
-46 |
LCC |
J02505 |
485~655 |
275 |
22 |
35 |
20 |
16 |
-46 |
LC1 |
J12522 |
450~620 |
240 |
24 |
35 |
18 |
14 |
-59 |
LC2 |
J22500 |
485~655 |
275 |
24 |
35 |
20 |
16 |
-73 |
LC2-1 |
J42215 |
725~895 |
550 |
18 |
30 |
41 |
34 |
-73 |
LC3 |
J31550 |
485~655 |
275 |
24 |
35 |
20 |
16 |
-101 |
LC4 |
J41500 |
485~655 |
275 |
24 |
35 |
20 |
16 |
-115 |
LC9 |
J31300 |
585 |
515 |
20 |
30 |
27 |
20 |
-196 |
CA6NM |
J91540 |
760~930 |
550 |
15 |
35 |
27 |
20 |
-73 |
(5)美国ASTM标准与UNS系统低温下承压部件极其他用途的铁素体和马氏体铸钢与不锈钢[ASTM A757/A757M—1996]
a.低温下用铁素体和马氏体铸钢的钢号与化学成分,见表5-188。
表5-188 低温下用铁素体和马氏体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 |
ASTM |
UNS |
A1Q |
|
≤0.30 |
≤0.30 |
≤1.00 |
0.025 |
0.025 |
— |
— |
— |
① |
A2Q |
J02503 |
≤0.26 |
≤0.26 |
≤1.20 |
0.025 |
0.025 |
— |
— |
— |
① |
B2N,B2Q |
J22501 |
≤0.25 |
≤0.25 |
0.50~0.80 |
0.025 |
0.025 |
— |
2.0~3.0 |
— |
① |
B3N,B3Q |
J31500 |
≤0.15 |
≤0.15 |
0.50~0.80 |
0.025 |
0.025 |
— |
3.0~4.0 |
— |
① |
B4N,B4Q |
J41501 |
≤0.15 |
≤0.15 |
0.50~0.80 |
0.025 |
0.025 |
— |
4.0~5.0 |
— |
① |
C1Q |
J12582 |
≤0.25 |
≤0.25 |
≤1.20 |
0.025 |
0.025 |
— |
1.5~2.0 |
— |
① |
D1N1,D1Q1 |
J22092 |
≤0.20 |
≤0.20 |
0.40~0.80 |
0.025 |
0.025 |
2.0~2.75 |
— |
0.15~0.30 |
① |
D1N2,D1Q3 |
J22092 |
≤0.20 |
≤0.20 |
0.40~0.80 |
0.025 |
0.025 |
2.0~2.75 |
— |
0.90~1.20 |
① |
D1N3,D1Q3 |
J22092 |
≤0.20 |
≤0.20 |
0.40~0.80 |
0.025 |
0.025 |
2.0~2.75 |
— |
0.90~1.20 |
① |
E1Q |
J42220 |
≤0.22 |
≤0.22 |
0.50~0.80 |
0.025 |
0.025 |
1.35~1.85 |
2.5~3.5 |
0.90~1.20 |
① |
E2N,E2Q |
J42065 |
≤0.20 |
≤0.60 |
0.40~0.70 |
0.020 |
0.020 |
1.5~2.0 |
2.75~3.90 |
0.40~0.60 |
① |
E3N |
J91500 |
≤0.06 |
≤1.00 |
≤1.00 |
0.030 |
0.030 |
11.5~14.0 |
3.54.5 |
0.40~1.00 |
① |
① 碳含量上限没降低w(C)0.01%,则允许锰含量上限增加w(Mn)0.04%。即钢号A2Q的锰含量上限可达w(Mn)1.04%。
b.低温下用铁素体和马氏体铸钢的残余元素含量,见表5-189。
表5-189 低温下用铁素体和马氏体铸钢的残余元素含量(质量分数)(%)
钢号 |
Cu |
Ni |
Cr |
Mo |
W |
V |
残余元素 |
ASTM |
UNS |
A1Q |
|
0.50 |
0.50 |
0.40 |
0.25 |
— |
0.03 |
1.00 |
A2Q |
J02503 |
0.50 |
0.50 |
0.40 |
0.25 |
— |
0.03 |
1.00 |
B2N,B2Q |
J22501 |
0.50 |
— |
0.40 |
0.25 |
— |
0.03 |
1.00 |
B3N,B3Q |
J31500 |
0.50 |
— |
0.40 |
0.25 |
— |
0.03 |
1.00 |
B4N,B4Q |
J41501 |
0.50 |
— |
0.40 |
0.25 |
— |
0.03 |
1.00 |
C1Q |
J12582 |
0.50 |
— |
0.40 |
— |
— |
0.03 |
1.00 |
D1N1,D1Q1 |
J22092 |
0.50 |
0.50 |
— |
— |
0.10 |
0.03 |
1.00 |
D1N2,D1Q3 |
J22092 |
0.50 |
0.50 |
— |
— |
0.10 |
0.03 |
1.00 |
D1N3,D1Q3 |
J22092 |
0.50 |
0.50 |
— |
— |
0.10 |
0.03 |
1.00 |
E1Q |
J42220 |
0.50 |
— |
— |
— |
— |
0.03 |
0.70 |
E2N,E2Q |
J42065 |
0.50 |
— |
— |
— |
0.10 |
0.03 |
0.70 |
E3N |
J91500 |
0.50 |
— |
— |
— |
0.10 |
— |
0.70 |
c.低温下用铁素体和马氏体铸钢的力学性能,见表5-190。
表5-190 低温下用铁素体和马氏体铸钢的力学性能
钢号 |
热处理状态 |
力学性能(不小于) |
夏比冲击吸收功/J |
σ b/MPa |
σ 0.2 / Mpa |
δ(%) |
ψ(%) |
平均值 |
单个值 |
A1Q |
淬火和回火 |
450 |
240 |
24 |
35 |
17 |
14 |
A2Q |
淬火和回火 |
485 |
275 |
22 |
35 |
20 |
16 |
B2N,B2Q |
正火和回火 或淬火和回火 |
485 |
275 |
24 |
35 |
20 |
16 |
B3N,B3Q |
正火和回火 或淬火和回火 |
485 |
275 |
24 |
35 |
20 |
16 |
B4N,B4Q |
正火和回火 或淬火和回火 |
485 |
275 |
24 |
35 |
20 |
16 |
C1Q |
正火和回火 或淬火和回火 |
515 |
380 |
22 |
35 |
20 |
16 |
D1N1,D1Q1 |
正火和回火 或淬火和回火 |
585 795 |
380 |
20 |
35 |
(由供需双方协议) (同上) |
D1N2,D1Q3 |
正火和回火 或淬火和回火 |
655 860 |
515 |
18 |
35 |
(由供需双方协议) (同上) |
D1N3,D1Q3 |
正火和回火 或淬火和回火 |
725 930 |
585 |
15 |
30 |
(由供需双方协议) (同上) |
E1Q |
正火和回火 或淬火和回火 |
620 |
450 |
22 |
40 |
41 |
34 |
E2N1,E2Q1 |
正火和回火 或淬火和回火 |
620 825 |
485 |
18 |
35 |
41 41 |
34 34 |
E2N2,E2Q2 |
正火和回火 或淬火和回火 |
725 930 |
585 |
15 |
30 |
27 27 |
20 20 |
E2N3,E2Q3 |
正火和回火 或淬火和回火 |
795 1000 |
690 |
13 |
30 |
20 20 |
16 16 |
E3N |
正火和回火 或淬火和回火 |
760 |
550 |
15 |
35 |
27 |
20 | |