化學(xué) 符號 |
化學(xué) 元素 |
基本性質(zhì) |
對熔點(diǎn)的影響℃ |
對密度的影響/g·cm3 |
||||
相對原 子質(zhì)量 |
密度 /g·cm-3 |
熔點(diǎn) /℃ |
適用元素含量范圍(質(zhì)量分?jǐn)?shù),%) |
鋼中某元素質(zhì)量分?jǐn)?shù)增加1%時(shí),溫度降低值Δt |
適用元素含量范圍(質(zhì)量分?jǐn)?shù),%) |
鋼中某元素質(zhì)量分?jǐn)?shù)增加1%時(shí),密度變化量Δρ |
||
C |
碳 |
12.0 |
<1.0 1.0 2.0 2.5 3.0 3.5 4.0 |
65 70 75 80 85 91 100 |
<1.55 |
-0.040 |
||
Si |
硅 |
28.086 |
2.4 |
1414 |
0~3.0 |
8 |
<4.0 |
-0.073 |
Mn |
錳 |
54.93 |
7.3 |
1244 |
0~1.5 |
5 |
<1.5 |
-0.016 |
P |
磷 |
30.97 |
2.2 |
44 |
0~0.7 |
30 |
<1.1 |
-0.117 |
S |
硫 |
32.064 |
2.046 |
119 |
0~0.08 |
25 |
<0.2 |
-0.164 |
Al |
鋁 |
26.98 |
2.68 |
659 |
0~1.0 |
3.0 |
<2.0 |
-0.120 |
V |
釩 |
50.942 |
6.0 |
1720 |
0~1.0 |
2.0 |
||
Nb |
鈮 |
92.91 |
8.57 |
2000 |
||||
Ti |
鈦 |
47.9 |
4.5 |
1800 |
18 |
|||
Sn |
錫 |
118.69 |
7.28 |
232 |
0~0.03 |
10 |
||
Co |
鈷 |
58.93 |
8.5 |
1490 |
1.5 |
|||
Mo |
鉬 |
96.94 |
10.2 |
2622 |
0~0.03 |
2 |
||
B |
硼 |
10.81 |
2.3 |
2800 |
90 |
|||
Ni |
鎳 |
58.71 |
8.85 |
1455 |
0~9.0 |
4 |
<5.0 |
+0.004 |
Cr |
鉻 |
51.996 |
7.14 |
1820 |
0~18 |
1.5 |
<1.2 |
+0.001 |
Cu |
銅 |
63.546 |
8.7 |
1080 |
0~0.3 |
5 |
<1.0 |
+0.022 |
W |
鎢 |
183.85 |
19.32 |
3370 |
18W及0.66%C |
2.0 |
<1.5 |
+0.095 |
Pb |
鉛 |
207.20 |
11.35 |
327 |
||||
Te |
碲 |
127.60 |
6.25 |
453 |
||||
Bi |
鉍 |
208.98 |
9.74 |
271 |
||||
As |
砷 |
74.92 |
0.0709 |
-259.1 |
0~0.5 |
14 |
<0.15 |
+0.100 |
H2 |
氫 |
2.016(液) |
1.461 |
-218.4 |
0~0.3 |
1300 |
||
O2 |
氧 |
32.0 |
1.026 |
-209.86 |
0~0.3 |
80 |
||
N2 |
氮 |
28.016 |
0~0.3 |
90 |
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