|
外徑／mm×壁厚／mm
|
理論質量／(kg／m)
|
外徑／mm×壁厚／mm
|
理論質量／(kg／m)
|
|
14×4
|
O.986
|
19×5
|
1.73
|
|
15×4
|
1.09
|
24×4.5
|
2.16
|
|
15×4.5
|
1.17
|
24×6
|
2.66
|
|
25×5
|
2.47
|
102×2l
|
41.95
|
|
25×6
|
2.8l
|
108×14
|
32.45
|
|
25×7
|
3.1l
|
127×14
|
39.0l
|
|
35×6
|
4.29
|
127×17
|
46.12
|
|
35×9
|
5.77
|
|
|
|
43×7
|
6.21
|
127×2l
|
54.89
|
|
43×lO
|
8.14
|
133×17
|
48.63
|
|
49×8
|
8.09
|
154×23
|
74.30
|
|
49×10
|
9.62
|
159×18
|
62.59
|
|
57×9
|
10.65
|
159×19
|
65.60
|
|
68×9
|
13.09
|
159×20
|
68.55
|
|
68×lO
|
14.30
|
159×28
|
90.45
|
|
68×13
|
17.63
|
168×28
|
96.67
|
|
70×lO
|
14.80
|
180×19
|
75.43
|
|
83×9
|
16.42
|
180×22
|
85.72
|
|
83×10
|
18.00
|
180×30
|
110.97
|
|
83×ll
|
19.53
|
219×35
|
158.81
|
|
83×15
|
25.15
|
273x18
|
113.19
|
|
102×11
|
24.68
|
273×20
|
124.78
|
|
102×14
|
30.38
|
273×34
|
200.39
|
|
102x17
|
35.64
|
273×40
|
229.83
|
|
牌 號
|
化學成分(質量分數)(％)
|
||||||
|
C
|
Si
|
Mn
|
S
|
P
|
Cr
|
Mo
|
|
|
lO
|
0.07～0.14
|
0.17～O.37
|
O.35～O.65
|
O.040
|
O.035
|
|
|
|
20G
|
0.17～0.24
|
O.17～0.37
|
O.35～O.65
|
0.035
|
0.035
|
|
|
|
16Mn
|
0.12～O.20
|
0.20～O.60
|
1.20～1.60
|
0.040
|
0.040
|
|
|
|
15MnV
|
O.12～O.18
|
O.20～O.60
|
1.20～1.60
|
0.040
|
0.040
|
V.O.04～0.12
|
|
|
10MoWVNb
|
O.07～O.13
|
0.50～O.80
|
0.50～0.80
|
0.030
|
0.040
|
V.O.30～O.50
|
O.60～O.90
|
|
12CrMo
|
O.08～0.15
|
O.17～0.37
|
O.40～O.70
|
0.040
|
0.035
|
O.40～0.70
|
O.40～0.55
|
|
15CrM0
|
0.12～O.18
|
0.17～O.37
|
O.40～0.70
|
0.040
|
O.035
|
0.80～1.10
|
O.40～0.55
|
|
1Cr5Mo
|
≤0.15
|
≤O.50
|
≤0.60
|
0.030
|
O.035
|
4.00～6.00
|
O.40～O.60
|
|
12Cr2M0
|
O.08～O.15
|
O.40～O.70
|
≤0.50
|
0.035
|
O.035
|
2.00～2.50
|
O.90～1.20
|
|
牌 號
|
力學性能
|
|||
|
抗拉強度ób／MPa
|
屈服點ós／MPa
|
伸長率δ5(％)
|
沖擊韌度／ak／(J／cm2)
|
|
|
≥
|
||||
|
10
|
335～490
|
205
|
24
|
|
|
20G
|
410～550
|
245
|
24
|
49
|
|
16Mn
|
490～670
|
320
|
21
|
59
|
|
15MnV
|
510～690
|
350
|
19
|
59
|
|
10MoWVNb
|
470～670
|
295
|
19
|
78
|
|
12CrMo
|
410～560
|
205
|
2l
|
69
|
|
15CrMo
|
440～640
|
235
|
2l
|
59
|
|
1Cr5Mo
|
390～590
|
195
|
22
|
118
|
|
12Cr2Mo
|
450～600
|
280
|
20
|
48(DVM樣)
|