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牌号 |
交货状态 | ||||||||
BK |
BKW |
BKS |
NBK | ||||||
抗拉强度(MPa) |
伸长率(%) |
抗拉强度(MPa) |
伸长率(%) |
抗拉强度(MPa) |
伸长率(%) |
抗拉强度(MPa) |
伸长率(%) |
屈服强度(MPa) | |
≥ | |||||||||
10 |
410 |
6 |
375 |
10 |
335 |
12 |
335 |
24 |
|
20 |
510 |
5 |
450 |
8 |
430 |
10 |
410 |
20 |
|
35 |
590 |
4 |
550 |
6 |
520 |
8 |
530 |
17 |
|
45 |
645 |
4 |
630 |
5 |
610 |
7 |
600 |
14 |
|
40Cr |
≥784 |
≥12 |
|
|
|
|
|
|
|
37Mn5 |
≥784 |
≥12 |
|
|
|
|
|
|
|
牌号 |
化学成分% | |||||
C |
Si |
Mn |
S |
P |
Cr | |
10 |
0.07-0.13 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
20 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
35 |
0.32-0.39 |
0.17-0.37 |
0.35-0.65 |
≤0.035 |
≤0.035 |
|
45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
|
40Cr |
0.37-0.44 |
0.17-0.37 |
0.50-0.80 |
≤0.035 |
≤0.035 |
0.08-1.10 |
25Mn |
0.22-0.29 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
37Mn5 |
0.30-0.39 |
0.15-0.30 |
1.20-1.50 |
≤0.015 |
≤0.020 |
|
40*6 |
52*3 |
60*4 |
72*4 |
81*6 |
42*2 |
52*4 |
60*6 |
72*6 |
81*8 |
42*3 |
52*6 |
62*2 |
75*2 |
81*12 |
42*4 |
53*2 |
62*3 |
75*3 |
82*4 |
42*6 |
53*3 |
62*4 |
75*4 |
82*6 |
45*2 |
53*4 |
62*6 |
75*6 |
82*8 |
45*3 |
53*6 |
64*2 |
75*8 |
82*12 |
45*4 |
55*2 |
64*3 |
76*2 |
83*4 |
45*6 |
55*3 |
64*4 |
76*3 |
83*6 |
46*2 |
55*4 |
64*6 |
76*4 |
83*8 |
46*3 |
55*6 |
65*2 |
76*6 |
83*12 |
46*4 |
57*2 |
65*3 |
76*8 |
85*4 |
48*2 |
57*3 |
65*4 |
78*2 |
85*6 |
48*3 |
57*4 |
65*6 |
78*3 |
85*8 |
48*4 |
57*6 |
68*2 |
78*4 |
85*12 |