热轧环件(摘自YB/T 4068-1991)
工字钢、槽钢及环件分页导航
热轧环件(摘自YB/T 4068-1991)
热轧环件的尺寸规格
外径
|
高度
|
内径
|
壁厚
|
600~2000
|
70~220
|
≥500
|
50~160
|
热轧环件的牌号和化学成分
牌号
|
化学成分质量分数%
|
C
|
Si
|
Mn
|
Cr
|
Mo
|
P
|
S
|
10
|
0.07~0.14
|
0.17~0.37
|
0.35~0.65
|
-
|
-
|
≤0.035
|
≤0.035
|
15
|
0.12~0.19
|
0.17~0.37
|
0.35~0.65
|
-
|
-
|
≤0.035
|
≤0.035
|
20
|
0.17~0.24
|
0.17~0.37
|
0.35~0.65
|
-
|
-
|
≤0.035
|
≤0.035
|
25
|
0.22~0.30
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
≤0.035
|
≤0.035
|
30
|
0.27~0.35
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
≤0.035
|
≤0.035
|
35
|
0.32~0.40
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
≤0.035
|
≤0.035
|
40
|
0.37~0.45
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
≤0.035
|
≤0.035
|
45
|
0.42~0.50
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
≤0.035
|
≤0.035
|
50
|
0.47~0.55
|
0.17~0.37
|
0.50~0.80
|
-
|
-
|
≤0.035
|
≤0.035
|
16Mn
|
0.12~0.20
|
0.20~0.55
|
1.20~1.60
|
-
|
-
|
≤0.035
|
≤0.035
|
50Mn
|
0.48~0.56
|
0.17~0.37
|
0.70~1.00
|
-
|
-
|
≤0.035
|
≤0.035
|
40Cr
|
0.37~0.44
|
0.17~0.37
|
0.50~0.80
|
0.90~1.20
|
-
|
≤0.030
|
≤0.030
|
42CrMo
|
0.38~0.45
|
0.17~0.37
|
0.50~0.80
|
0.90~1.20
|
0.15~0.25
|
≤0.030
|
≤0.030
|
42CrMoA
|
0.38~0.45
|
0.17~0.37
|
0.50~0.80
|
0.90~1.20
|
0.15~0.25
|
≤0.025
|
≤0.025
|
50SiMn
|
0.45~0.56
|
0.80~1.10
|
0.80~1.10
|
-
|
-
|
≤0.030
|
≤0.030
|
35SiMn
|
0.32~0.40
|
1.10~1.40
|
1.10~1.40
|
-
|
-
|
≤0.030
|
≤0.030
|
35CrMo
|
0.32~0.40
|
0.17~0.37
|
0.40~O.70
|
0.80~1.10
|
0.15~0.25
|
≤0.030
|
≤0.030
|
50CrMoA
|
0.45~0.54
|
0.17~0.37
|
0.50~0.80
|
0.90~1.20
|
0.15~0.25
|
≤0.025
|
≤0.025
|
优质碳素结构钢环件的力学性能
牌号
|
交货状态
|
壁厚/mm
|
抗拉强度σb/MPa≥
|
伸长率δ5(%)≥
|
断面收缩率ψ≥
|
冲击吸收功Aku/J≥
|
布氏硬度HBS(10/3000)≥
|
15
|
正火
|
≤100
|
345
|
27
|
53
|
-
|
-
|
15
|
正火
|
>100
|
335
|
25
|
50
|
-
|
-
|
20
|
正火
|
≤100
|
390
|
24
|
53
|
-
|
-
|
20
|
正火
|
>100
|
370
|
23
|
50
|
-
|
-
|
25
|
正火
|
≤100
|
420
|
22
|
48
|
39
|
-
|
25
|
正火
|
>100
|
390
|
20
|
46
|
31
|
-
|
30
|
正火
|
≤100
|
470
|
19
|
45
|
31
|
-
|
30
|
正火
|
>100
|
460
|
18
|
40
|
24
|
-
|
35
|
正火
|
≤100
|
510
|
18
|
43
|
31
|
-
|
35
|
正火
|
>100
|
490
|
18
|
40
|
24
|
-
|
40
|
正火
|
≤100
|
550
|
17
|
40
|
24
|
-
|
40
|
正火
|
>100
|
530
|
17
|
36
|
24
|
-
|
45
|
调质
|
≤100
|
590
|
15
|
32
|
31
|
≤241
|
45
|
调质
|
>100
|
570
|
15
|
30
|
27
|
≤241
|
50
|
调质
|
≤100
|
610
|
13
|
30
|
31
|
≤241
|
50
|
调质
|
>100
|
590
|
12
|
28
|
27
|
≤241
|
50Mn
|
调质
|
≤100
|
635
|
13
|
35
|
31
|
207~262
|
50Mn
|
调质
|
>100
|
610
|
12
|
33
|
27
|
207~262
|
合金结构钢环件的力学性能
牌号
|
交货状态
|
壁厚/mm
|
抗拉强度σb/MPa≥
|
伸长率δ5(%)≥
|
断面收缩率ψ≥
|
冲击吸收功Aku/J≥
|
布氏硬度HBS(10/3000)≥
|
40Cr
|
调质
|
≤60
|
785
|
9
|
35
|
31
|
207~206
|
40Cr
|
调质
|
61~80
|
735
|
9
|
30
|
27
|
207~206
|
40Cr
|
调质
|
81~140
|
685
|
9
|
30
|
24
|
207~206
|
35CrMo
|
调质
|
≤70
|
735
|
15
|
40
|
47
|
207~262
|
35CrMo
|
调质
|
71~140
|
685
|
15
|
40
|
39
|
207~262
|
42CrMo(42CrMoA)
|
调质
|
≤70
|
785
|
12
|
40
|
47
|
207~262
|
42CrMo(42CrMoA)
|
调质
|
71~140
|
735
|
10
|
35
|
39
|
207~262
|
35SiMn
|
调质
|
≤60
|
785
|
12
|
40
|
39
|
207~262
|
35SiMn
|
调质
|
61~80
|
735
|
12
|
35
|
35
|
207~262
|
35SiMn
|
调质
|
81~140
|
685
|
12
|
35
|
31
|
207~262
|
50SiMn
|
调质
|
≤60
|
835
|
10
|
35
|
31
|
207~262
|
50SiMn
|
调质
|
61~80
|
785
|
10
|
35
|
37
|
207~262
|
50SiMn
|
调质
|
81~140
|
735
|
10
|
35
|
24
|
207~262
|
50CrMoA
|
调质
|
≤140
|
835
|
8
|
-
|
39
|
255~311
|
法兰环件的力学性能
牌号
|
交货状态
|
壁厚/mm
|
抗拉强度σb/MPa≥
|
伸长率δ5(%)≥
|
断面收缩率ψ≥
|
冲击吸收功Aku/J≥
|
布氏硬度HBS(10/3000)≥
|
10
|
正火
|
≤100
|
335
|
205
|
31
|
-
|
-
|
10
|
正火
|
>100
|
315
|
185
|
30
|
-
|
-
|
15
|
正火
|
≤100
|
355
|
205
|
27
|
-
|
-
|
15
|
正火
|
>100
|
335
|
185
|
26
|
-
|
-
|
20
|
正火
|
≤100
|
370
|
215
|
24
|
43
|
109~156
|
20
|
正火
|
>100
|
370
|
195
|
23
|
39
|
109~156
|
25
|
正火
|
≤100
|
420
|
235
|
22
|
39
|
111~170
|
25
|
正火
|
>100
|
390
|
215
|
20
|
39
|
111~170
|
16Mn
|
正火或调质
|
≤100
|
490~640
|
295
|
20
|
47
|
120~180
|
16Mn
|
正火或调质
|
>100
|
470~620
|
275
|
19
|
47
|
120~180
|