序號 |
統一
數字
代號 |
牌號 |
化學成分.% | ||||||
C |
Si |
Mn |
Cr |
Ni |
Cu | ||||
不大于 | |||||||||
1 |
U20080 |
08F |
0.05-0.11 |
≤0.03 |
0.25-0.50 |
0.10 |
0.30 |
0.25 | |
2 |
U20100 |
10F |
0.07-0.13 |
≤0.07 |
0.25-0.50 |
0.15 |
0.30 |
0.25 | |
3 |
U20150 |
15F |
0.12-0.18 |
≤0.07 |
0.25-0.50 |
0.25 |
0.30 |
0.25 | |
4 |
U20082 |
08 |
0.05-0.11 |
0.17-0.37 |
0.35-0.65 |
0.10 |
0.30 |
0.25 | |
5 |
U20102 |
10 |
0.07-0.13 |
0.17-0.37 |
0.35-0.65 |
0.15 |
0.30 |
0.25 | |
6 |
U20152 |
15 |
0.12-0.18 |
0.17-0.37 |
0.35-0.65 |
0.25 |
0.30 |
0.25 | |
7 |
U20202 |
20 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
0.25 |
0.30 |
0.25 | |
8 |
U20252 |
25 |
0.22-0.29 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
9 |
U20302 |
30 |
0.27-0.34 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
10 |
U20352 |
35 |
0.32-0.39 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
11 |
U20402 |
40 |
0.37-0.44 |
0.17-0.37 |
0.50-0.80 |
0.Z5 |
0.30 |
0.25 | |
12 |
U20452 |
45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
13 |
U20502 |
50 |
0.47-0.55 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
14 |
U20552 |
55 |
0.52-0.60 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
15 |
U20602 |
60 |
0.57-0.65 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
16 |
U20652 |
65 |
0.62-0.70 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
17 |
U20702 |
70 |
0.67-0.75 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
18 |
U20752 |
75 |
0.72-0.80 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
19 |
U20802 |
80 |
0.77-0.85 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
20 |
U20852 |
85 |
0.82-0.90 |
0.17-0.37 |
0.50-0.80 |
0.25 |
0.30 |
0.25 | |
21 |
U21152 |
15Mn |
0.12-0.18 |
0.17-0.37 |
0.70-1.00 |
0.25 |
0.30 |
0.25 | |
22 |
U21202 |
20Mn |
0.17-0.23 |
0.17-0.37 |
0.70-I.00 |
0.25 |
0.30 |
0.25 | |
23 |
U21252 |
25Mn |
0.22-0.29 |
0.17-0.37 |
0.70-1.00 |
0.25 |
0.30 |
0.25 | |
24 |
U21302 |
30Mn |
0.27-0.34 |
0.17-0.37 |
0.70-1.00 |
0.25 |
0.30 |
0.25 | |
25 |
U21352 |
35M13 |
0.32-0.39 |
0.17-0.37 |
0.70-1.00 |
0.25 |
0.30 |
0.25 | |
26 |
U21402 |
40M13 |
0.37-0.44 |
0.17-0.37 |
0.70-1.00 |
0.25 |
0.30 |
0.25 | |
27 |
U21452 |
45Mn |
0.42-0.50 |
0.17-0.37 |
0.70-1.00 |
0.25 |
0.30 |
0.25 | |
28 |
U21502 |
50Mn |
0.48-0.56 |
0.17-0.37 |
0.70-1.00 |
0.25 |
0.30 |
0.25 | |
29 |
U21602 |
60Mn |
0.57-0,65 |
0.17-0,37 |
0.70-1.00 |
0.25 |
0.30 |
0.25 | |
30 |
U21652 |
65M13 |
0.62-0.70 |
0.17-0.37 |
0.90-1.20 |
0.25 |
0.30 |
0.25 | |
31 |
U21702 |
70M13 |
0.67-0.75 |
0.17-0.37 |
0.90-1.20 |
0.25 |
0.30 |
0.25 | |
注:表1所列牌號為優質鋼。如果是高級優質鋼,在牌號后面加“A”(統一數字代號最后一
位數字改為“3”);如果是特級優質鋼,在牌號后面加。E”(統一數字代號最后一位數字改為
“6”);對于沸騰鋼,牌號后面為“F”(統一數字代號最后一位數字為“0”);對于半鎮靜鋼,牌
號后面為“b”(統一數字代號最后-位數字為“1”) |