Thaum tshav kub kub-resistant cam khwb cia hlau (GB / T9437-1988)
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Thaum tshav kub kub-resistant cam khwb cia hlau (GB / T9437-1988)
(1) Hom naj npawb thiab tshuaj muaj pes tsawg leeg.
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chav kawm |
lub npe khw |
Tshuaj muaj pes tsawg leeg (mass feem) (%) |
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|
C |
Si |
Mn |
P |
S |
Cr |
Al |
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Tsawg dua los yog sib npaug |
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tshav kub resisting cam khwb cia hlau |
RTCr |
3.0-3.8 |
1.5-2.5 |
1.0 |
0.20 |
0.12 |
0.50-1.00 |
- |
|
RTCr2 |
3.0-3.8 |
2.0-3.0 |
1.0 |
0.20 |
0.12 |
>1.00-2.00 |
- |
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RTCr16 |
1.6-2.4 |
1.5-2.2 |
1.0 |
0.10 |
0.05 |
15.00-18.00 |
- |
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RTSi 5 |
2.4-3.2 |
4.5-5.5 |
0.8 |
0.20 |
0.12 |
0.50-1.00 |
- |
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Thaum tshav kub kub resistant number case cam khwb cia hlau |
RTQSi 4 |
2.4-3.2 |
3.5-4.5 |
0.7 |
0.10 |
0.03 |
- |
- |
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RTQSi4Mo |
2.7-3.5 |
3.5-4.5 |
0.5 |
0.10 |
0.03 |
Mo:03-0.7 |
- |
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RTQSi 5 |
2.4-3.2 |
>4.5-5.5 |
0.7 |
0.10 |
0.03 |
- |
- |
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RTQAl4Si4 |
2.5-3.0 |
3.5-4.5 |
0.5 |
0.10 |
0.02 |
- |
4.0-5.0 |
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RTQAl5Si5 |
2.3-2.8 |
>4.5-5.2 |
0.5 |
0.10 |
0.02 |
- |
>5.0-5.8 |
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RTQAl22 |
1.6-2.2 |
1.0-2.0 |
0.7 |
0.10 |
0.03 |
- |
20.0-24.0 |
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Faj seeb: Hauv lub cim ntawm lub hom, "RT" txhais tau hais tias cov hlau cam khwb cia kub-resistant, "Q" txhais tau tias cov hlau ductile, cov ntawv seem yog cov cim cov cim alloy, tus lej qhia cov ntsiab lus nruab nrab (feem ntau) ntawm cov ntsiab lus alloy, coj mus rau hauv tus lej cim tus nqi integer.
(2) Mechanical zog
Chav-kub txhua yam khoom ntawm tshav kub-resistant hlau castings
|
lub npe khw |
Tensile zog ntawm б b / Mpa |
Hardness HBS |
lub npe khw |
Tensile zog ntawm б b / Mpa |
Hardness HBS |
|
RTCr |
200 |
189-288 |
RTQSi4Mo |
540 |
197-280 |
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RTCr2 |
150 |
207-288 |
RTQSi 5 |
370 |
228-302 |
|
RTCr16 |
340 |
400-450 |
RTQAl4Si4 |
250 |
285-341 |
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RTSi 5 |
140 |
160-270 |
RTQAl5Si5 |
200 |
302-363 |
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RTQSi 4 |
480 |
187-269 |
RTQAl22 |
300 |
241-364 |
Kub kub lub sij hawm luv luv tensile lub zog ntawm tshav kub resistant hlau cam khwb cia
|
lub npe khw |
Tensile lub zog ntawm б b / Mpa ntawm qhov kub thiab txias (degree) |
lub npe khw |
Tensile lub zog ntawm б b / Mpa ntawm qhov kub thiab txias (degree) |
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|
500 |
600 |
700 |
800 |
900 |
500 |
600 |
700 |
800 |
900 |
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RTCr |
225 |
144 |
- |
- |
- |
RTQSi4Mo |
- |
- |
101 |
46 |
- |
|
RTCr2 |
243 |
166 |
- |
- |
- |
RTQSi 5 |
- |
- |
67 |
30 |
- |
|
RTCr16 |
- |
- |
- |
144 |
88 |
RTQAl4Si4 |
- |
- |
- |
82 |
32 |
|
RTSi 5 |
- |
- |
41 |
27 |
- |
RTQAl5Si5 |
- |
- |
- |
167 |
75 |
|
RTQSi 4 |
- |
- |
75 |
35 |
- |
RTQAl22 |
- |
- |
- |
130 |
77 |
