油缸用珩磨管
所屬分類：
關(guān)鍵詞：
油缸用珩磨管
液壓油缸用珩磨管
執(zhí)行標(biāo)準(zhǔn): ASTM A519, DIN2391, EN10204-1
材質(zhì): 1020, C45, ST52, ST52.3, 27SiMn, 25Mn
工藝: 冷拉，冷軋，航模，鏜滾壓
用途：建筑機(jī)械，冶金機(jī)械，塑料機(jī)械，采礦機(jī)械，筑路機(jī)械，液壓和氣動(dòng)油缸。
尺寸
|
生茶工序 |
內(nèi)孔直徑 |
長(zhǎng)度 |
直線度 |
內(nèi)孔精度 |
外徑精度 |
內(nèi)孔粗糙度 |
|
honing |
Φ40-800mm |
≤13m |
0.2-0.3mm |
H8~H9 |
±8% |
<=0.8 um |
化學(xué)成分
|
材質(zhì) |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
V |
Al |
|
1020 |
0.17-0.23 |
0.17-0.37 |
0.35-0.65 |
<=0.035 |
<=0.035 |
<=0.25 |
<=0.30 |
<=0.25 |
- |
- |
|
C45 |
0.42-0.50 |
0.17-0.37 |
0.50-0.80 |
<=0.035 |
<=0.035 |
<=0.25 |
<=0.30 |
<=0.25 |
- |
- |
|
16Mn |
0.13-0.19 |
0.20-0.60 |
1.20-1.60 |
<=0.030 |
<=0.030 |
<=0.030 |
<=0.30 |
<=0.25 |
- |
- |
|
27SiMn |
0.24-0.32 |
1.10-1.40 |
1.10-1.40 |
<=0.035 |
<=0.035 |
<=0.30 |
<=0.30 |
<=0.20 |
- |
- |
|
ST52 |
<=0.20 |
<=0.50 |
<=1.70 |
<=0.035 |
<=0.035 |
<=0.30 |
<=0.50 |
<=0.30 |
<=0.15 |
- |
|
ST52.3 |
<=0.18 |
<=0.50 |
<=1.70 |
<=0.030 |
<=0.25 |
<=0.30 |
<=0.50 |
<=0.30 |
<=0.15 |
≥0.015 |
機(jī)械性能
|
材質(zhì) |
冷硬交貨(hard) (BK) |
冷硬退火 (hard) (BK+S) |
硬度 |
沖擊功 (-20°C) J |
|||
|
T.S bN/mm2 |
Elongation 85% |
T.S bN/mm2 |
Y.S SN/mm2 |
Elongation 85% |
|||
|
1020 |
≥550 |
≥8 |
≥520 |
≥400 |
≥15 |
170 |
-- |
|
C45 |
≥680 |
≥5 |
≥630 |
≥520 |
≥12 |
190 |
-- |
|
16Mn |
≥640 |
≥5 |
≥600 |
≥520 |
≥14 |
160 |
-- |
|
27SiMn |
≥780 |
≥5 |
≥700 |
≥580 |
≥10 |
220 |
-- |
|
ST52 |
≥660 |
≥8 |
≥620 |
≥520 |
≥15 |
190 |
-- |
|
ST52.3 |
≥660 |
≥8 |
≥620 |
≥520 |
≥15 |
190 |
≥27 |
尺寸公差(mm)
|
內(nèi)徑 |
內(nèi)徑公差 |
壁厚精度 |
||||
|
H7 |
H8 |
H9 |
H10 |
H11 |
||
|
30 |
+0.0210 |
+0.0330 |
+0.0520 |
+0.0840 |
+0.1300 |
|
|
>30-50 |
+0.0250 |
+0.0390 |
+0.0620 |
+0.1000 |
+0.1600 |
|
|
>50-80 |
+0.0300 |
+0.0460 |
+0.0740 |
+0.1200 |
+0.1900 |
|
|
>80-120 |
+0.0350 |
+0.0540 |
+0.0870 |
+0.1400 |
+0.2200 |
|
|
>120-180 |
+0.0400 |
+0.0630 |
+0.1000 |
+0.1600 |
+0.2500 |
|
|
>180-250 |
+0.0460 |
+0.072 |
+0.1150 |
+0.1850 |
+0.2900 |
|
|
>250-315 |
+0.0520 |
+0.0810 |
+0.1300 |
+0.2100 |
+0.3200 |
|
|
>315-800 |
+0.0570 |
+0.0890 |
+0.1400 |
+0.2300 |
+0.3600 |
|
|
外徑 |
公差 |
外徑 |
公差 |
|
≤Φ40 |
±0.15 |
Φ160~200 |
±0.80 |
|
Φ40~60 |
±0.25 |
Φ200~240 |
±1.00 |
|
Φ60~80 |
±0.30 |
Φ240~340 |
±1.50 |
|
Φ80~100 |
±0.40 |
Φ340~440 |
±2.00 |
|
Φ100~160 |
±0.50 |
Φ440~520 |
±2.50 |
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