无锡精密光亮管20#现货 黑色金属硬度及强度换算表
硬度
|
抗拉强度（公斤/毫米2）
|
洛氏
|
表面洛氏
|
维氏
|
布氏
|
碳钢
|
铬钢
|
铬钒钢
|
铬镍钢
|
铬钼钢
|
铬镍
钼钢
|
铬锰
硅钢
|
超高
强度钢
|
不锈钢
|
不分
钢种
|
HRC
|
HRA
|
HR15N
|
HR30N
|
HR45N
|
HV
|
HB30D2
|
(70.0)
|
86.6
|
|
|
|
1037
|
|
|
|
|
|
|
|
|
|
|
本栏适用
二换算
精度要求
不高的
一般钢种
|
(69.5)
|
86.3
|
|
|
|
1017
|
|
|
|
|
|
|
|
|
|
|
(69.0)
|
86.1
|
|
|
|
997
|
|
|
|
|
|
|
|
|
|
|
(68.5)
|
85.8
|
|
|
|
978
|
|
|
|
|
|
|
|
|
|
|
(68.0)
|
85.5
|
|
|
|
959
|
|
|
|
|
|
|
|
|
|
|
(67.5)
|
85.2
|
|
|
|
941
|
|
|
|
|
|
|
|
|
|
|
67.0
|
85.0
|
|
|
|
923
|
|
|
|
|
|
|
|
|
|
|
66.5
|
84.7
|
|
|
|
906
|
|
|
|
|
|
|
|
|
|
|
66.0
|
84.4
|
|
|
|
889
|
|
|
|
|
|
|
|
|
|
|
65.5
|
84.1
|
|
|
|
872
|
|
|
|
|
|
|
|
|
|
|
65.0
|
83.9
|
92.2
|
81.3
|
71.7
|
856
|
|
|
|
|
|
|
|
|
|
|
64.5
|
83.6
|
92.1
|
81.0
|
71.2
|
840
|
|
|
|
|
|
|
|
|
|
|
64.0
|
83.3
|
91.9
|
80.6
|
70.6
|
825
|
|
|
|
|
|
|
|
|
|
|
63.5
|
83.1
|
91.8
|
80.2
|
70.1
|
810
|
|
|
|
|
|
|
|
|
|
|
63.0
|
82.8
|
91.7
|
79.8
|
69.5
|
795
|
|
|
|
|
|
|
|
|
|
|
62.5
|
82.5
|
91.5
|
79.4
|
69.0
|
780
|
|
|
|
|
|
|
|
|
|
|
62.0
|
82.2
|
91.4
|
79.0
|
68.4
|
766
|
|
|
|
|
|
|
|
|
|
|
61.5
|
82.0
|
91.2
|
78.6
|
67.9
|
752
|
|
|
|
|
|
|
|
|
|
|
61.0
|
81.7
|
91.0
|
78.1
|
67.3
|
739
|
|
|
|
|
|
|
|
|
|
|
60.5
|
81.4
|
90.8
|
77.7
|
66.8
|
726
|
|
|
|
|
|
|
|
|
|
|
Φ54-57*3.5-4-6-7-8-10-14
Φ60-63*3.5-4-5-6-7-8-10-14
Φ68-70*4-6-8-10-12-14-20
Φ73-76*6-7-12-16-20
Φ80-83*4.5-6-8-10-12-14-20 |
