Iron sugu ya kutupwa joto (GB / T9437-1988)
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Iron sugu ya kutupwa joto (GB / T9437-1988)
(1) Nambari ya chapa na muundo wa kemikali.
|
darasa |
jina la duka |
Muundo wa kemikali (sehemu ya molekuli) (%) |
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|
C |
Si |
Mn |
P |
S |
Cr |
Al |
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Chini ya au sawa na |
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|
joto kupinga chuma cha kutupwa |
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 |
- |
|
|
Rtcr16 |
1.6-2.4 |
1.5-2.2 |
1.0 |
0.10 |
0.05 |
15.00-18.00 |
- |
|
|
RTSI5 |
2.4-3.2 |
4.5-5.5 |
0.8 |
0.20 |
0.12 |
0.50-1.00 |
- |
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Joto sugu la wino kutupwa chuma |
RTQSI4 |
2.4-3.2 |
3.5-4.5 |
0.7 |
0.10 |
0.03 |
- |
- |
|
Rtqsi4mo |
2.7-3.5 |
3.5-4.5 |
0.5 |
0.10 |
0.03 |
MO: 0.3-0.7 |
- |
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Rtqsi5 |
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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Kumbuka: Katika ishara ya chapa, "RT" inamaanisha chuma kisicho na joto, "Q" inamaanisha chuma cha ductile, herufi zilizobaki ni alama za sehemu ya alloy, nambari inaonyesha yaliyomo wastani (sehemu ya wingi) ya vitu vya alloy, chukua thamani ya nambari.
(2) Tabia za mitambo
Tabia ya mitambo ya joto ya chumba cha chuma-sugu ya chuma
|
jina la duka |
Nguvu tensile ya б B / MPA |
Ugumu HBS |
jina la duka |
Nguvu tensile ya б B / MPA |
Ugumu HBS |
|
Rtcr |
200 |
189-288 |
Rtqsi4mo |
540 |
197-280 |
|
Rtcr2 |
150 |
207-288 |
Rtqsi5 |
370 |
228-302 |
|
Rtcr16 |
340 |
400-450 |
Rtqal4si4 |
250 |
285-341 |
|
RTSI5 |
140 |
160-270 |
Rtqal5si5 |
200 |
302-363 |
|
RTQSI4 |
480 |
187-269 |
RTQAL22 |
300 |
241-364 |
Joto la juu wakati mfupi nguvu ya joto sugu ya chuma
|
jina la duka |
Nguvu tensile ya б B / MPA kwa joto lifuatalo (digrii) |
jina la duka |
Nguvu tensile ya б B / MPA kwa joto lifuatalo (digrii) |
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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 |
- |
- |
- |
Rtqsi5 |
- |
- |
67 |
30 |
- |
|
Rtcr16 |
- |
- |
- |
144 |
88 |
Rtqal4si4 |
- |
- |
- |
82 |
32 |
|
RTSI5 |
- |
- |
41 |
27 |
- |
Rtqal5si5 |
- |
- |
- |
167 |
75 |
|
RTQSI4 |
- |
- |
75 |
35 |
- |
RTQAL22 |
- |
- |
- |
130 |
77 |
