Ɔhyew{0}}aduru a wɔde yɛ dade a ɛyɛ den (GB / T9437-1988) .
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Ɔhyew{0}}aduru a wɔde yɛ dade a ɛyɛ den (GB / T9437-1988) .
(1) brand nɔma ne nnuru a ɛwɔ mu.
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klaase |
Sotɔɔ bi din . |
Nnuru a ɛwɔ mu (mass fraction)(%) . |
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|
C |
SI . |
Mn . |
P |
S |
CR . |
AL . |
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nea ennu anaasɛ ɛne no yɛ pɛ . |
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Ɔhyew a ɛko tia dade a wɔde gu . |
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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Ink a wɔde yɛ ɔhyew a ɛko tia ɔhyew . |
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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NHYƐ NO NSO: Wɔ ahyɛnsodeɛ a ɛwɔ ahyɛnsodeɛ no mu, "RT" kyerɛ ɔhyeɛ-ɛko tia dadeɛ a wɔde ayɛ adwuma, "Q" kyerɛ ductile dadeɛ, nkyerɛwdeɛ a aka no yɛ alloy element symbols, dodoɔ no kyerɛ sɛ average content (mass fraction) a ɛwɔ alloy elements mu no, fa integer value no.
(2) Mfiridwuma mu nneɛma .
Pia-Ɔhyew mu nneɛma a ɛwɔ ɔhyew mu-a ɛwɔ dade a ɛko tia mu .
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Sotɔɔ bi din . |
Tensile ahoɔden a ɛyɛ б B / MPa . |
Hardness HBS . |
Sotɔɔ bi din . |
Tensile ahoɔden a ɛyɛ б B / MPa . |
Hardness HBS . |
|
RTCR . |
200 |
189-288 |
rtqsi4mo . |
540 |
197-280 |
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RTCR2. |
150 |
207-288 |
rtqsi5. |
370 |
228-302 |
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RTCR16. |
340 |
400-450 |
rtqal4si4. |
250 |
285-341 |
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RTSI5. |
140 |
160-270 |
rtqal5si5. |
200 |
302-363 |
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rtqsi4. |
480 |
187-269 |
rtqal22. |
300 |
241-364 |
Ɔhyew a ɛkorɔn bere tiaa mu tensile ahoɔden a ɔhyew a ɛko tia dade cast .
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Sotɔɔ bi din . |
Tensile ahoɔden a ɛyɛ б B / MPa wɔ ɔhyew a edidi so yi mu (degree ) . |
Sotɔɔ bi din . |
Tensile ahoɔden a ɛyɛ б B / MPa wɔ ɔhyew a edidi so yi mu (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 |
- |
- |
- |
rtqsi5. |
- |
- |
67 |
30 |
- |
|
RTCR16. |
- |
- |
- |
144 |
88 |
rtqal4si4. |
- |
- |
- |
82 |
32 |
|
RTSI5. |
- |
- |
41 |
27 |
- |
rtqal5si5. |
- |
- |
- |
167 |
75 |
|
rtqsi4. |
- |
- |
75 |
35 |
- |
rtqal22. |
- |
- |
- |
130 |
77 |
