產品詳情
1.鍍（dù）鉻（gè）活塞杆詳情描述
|
尺（chǐ）寸（cùn）: |
外徑: 3-120MM |
|
長度: |
1M -9M |
|
材質: |
CK45/ ST52/ 20MNV6/ 42CRMO4/ 40CR/ 軸承鋼/ 不鏽鋼 |
|
尺寸（cùn）公（gōng）差 |
ISO F7 |
|
鍍鉻厚度: |
20~30微米 |
|
鍍鉻層硬度: |
800HV(MIN) |
|
粗糙度: |
RA 0.2MICRON (MAX) |
|
直線度: |
0.2/1000MM |
|
屈服強度 |
≥350 MPA |
|
拉伸強度 |
≥580 MPA |
|
伸長率 |
≥ 15% |
|
交（jiāo）貨狀（zhuàng）態: |
1.鍍鉻 |
|
2.感應淬火 |
|
|
3.淬（cuì）火加回（huí）火 |
|
|
4.感應淬火加回火 |
2. 化學材質
|
材質 |
C% |
MN% |
SI% |
S% |
P% |
V% |
CR% |
|
CK45 |
0.42-0.50 |
0.50-0.80 |
0.17-0.37 |
≤0.035 |
≤0.035 |
|
≤0.25 |
|
ST52 |
≤0.22 |
≤1.6 |
≤0.55 |
≤0.04 |
≤0.04 |
0.02-0.15 |
|
|
20MNV6 |
0.17-0.24 |
1.30-1.70 |
0.10-0.50 |
≤0.035 |
≤0.035 |
0.10-0.20 |
≤0.30 |
|
42CRMO4 |
0.38-0.45 |
0.50-0.80 |
0.17-0.37 |
≤0.035 |
≤0.035 |
0.07-0.12 |
0.90-1.20 |
|
40CR |
0.37-0.45 |
0.50-0.80 |
0.17-0.37 |
≤0.035 |
≤0.035 |
|
0.80-1.10 |
3.機械性能
|
材質 |
T.S N/MM2 |
Y.S N/MM2 |
E%(MIN) |
CHARPY |
交貨狀態 |
|
CK45 |
610 |
355 |
15 |
>41J |
NORMALIZE |
|
CK45 |
800 |
630 |
20 |
>41J |
Q + T |
|
ST52 |
500 |
355 |
22 |
|
NORMALIZE |
|
20MNV6 |
750 |
590 |
12 |
>40J |
NORMALIZE |
|
42CRMO4 |
980 |
850 |
14 |
>47J |
Q + T |
|
40CR |
1000 |
800 |
10 |
|
Q + T |
4. 用途:
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