种类的记号
|
调质记号
|
冷轧、固溶化热处理或退火状态
|
析出硬化热处理状态
|
导电%
|
||||||
硬度HV
|
屈服强度N/mm
|
抗拉强度N/mm
|
伸长%
|
热处理记号
|
硬度HV
|
屈服强度N/mm
|
抗拉强度N/mm
|
|||
301-CSP
|
1/2H
|
340±30
|
≥510
|
≥930
|
≥10
|
-
|
-
|
-
|
-
|
2.3
|
3/4H
|
400±30
|
≥745
|
≥1130
|
≥5
|
-
|
-
|
-
|
-
|
2.3
|
|
H
|
460±30
|
≥1030
|
≥1320
|
-
|
-
|
-
|
-
|
-
|
2.3
|
|
EH
|
510±20
|
≥1275
|
≥1570
|
-
|
-
|
-
|
-
|
-
|
2.3
|
|
SEH
|
≥530
|
≥1450
|
≥1740
|
-
|
-
|
-
|
-
|
-
|
2.3
|
|
304-CSP
|
1/2H
|
280±30
|
≥470
|
≥780
|
≥6
|
-
|
-
|
-
|
-
|
2.3
|
3/4H
|
340±30
|
≥665
|
≥930
|
≥3
|
-
|
-
|
-
|
-
|
2.3
|
|
H
|
≥370
|
≥880
|
≥1130
|
-
|
-
|
-
|
-
|
-
|
2.3
|
|
631-CSP
|
0
|
≤200
|
-
|
≤1030
|
≥20
|
TH1050RH950
|
≥345≥392
|
≥960≥1030
|
≥1140≥1230
|
2.3
|
1/2H
|
375±25
|
-
|
≥1080
|
≥5
|
CH
|
≥380
|
≥880
|
≥1230
|
2.3
|
|
3/4H
|
425±25
|
-
|
≥1180
|
CH
|
≥450
|
≥1080
|
≥1420
|
2.3
|
||
H
|
≥450
|
-
|
≥1420
|
CH
|
≥530
|
≥1320
|
≥1720
|
2.3
|
2、化学成分
C≤0.08
Si≤1.00
Mn≤2.00
P≤0.035
S≤0.03
Ni:8.0-10.0
Cr:18.0-20.0
3、性质
拉强度(Mpa) 620 MIN
屈服强度(Mpa) 310 MIN
伸长率(%) 30 MIN
面积缩减(%) 40 MIN
密度 7.93 g/cm3
含铬量(%) 18--20


产品实拍:


