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nkọwa
Ngwá ọrụ H13 bụ igwe na-arụ ọrụ chromium-molybdenum na-ekpo ọkụ nke a na-ejikarị arụ ọrụ na-ekpo ọkụ na ngwa ngwa ọrụ oyi.
Isi ike na-ekpo ọkụ (ike dị ọkụ) nke H13 na-egbochi ike ọgwụgwụ okpomọkụ nke na-eme n'ihi okpomọkụ cyclic na oyi na-ekpo ọkụ.
ngwa ngwa ọrụ na-ekpo ọkụ. N'ihi nchikota ya magburu onwe ya nke ịdị elu siri ike na iguzogide ike ọgwụgwụ okpomọkụ
(nke a makwaara dị ka ịlele okpomọkụ) A na-eji H13 eme ihe maka ngwa ngwa ọrụ na-ekpo ọkụ karịa ígwè ọrụ ọ bụla ọzọ.
Dịkwa ka ngwaahịa Electro-Slag-Remelted (ESR) na Vacuum-Arc-Remelted (VAR) yana ngwaahịa.
Usoro mgbazigharị ahụ na-enye ezigbo homogeneity kemịkalụ, nchacha nha carbide, yana nkwalite ndị metụtara ya.
n'ibu Njirimara na ike ọgwụgwụ Njirimara.
ngwa:
Ihe ntinye, cores, na oghere maka nkedo anwụ anwụ na-anwụ, anwụ nkedo ogbugba, anwụ anwụ na-ekpo ọkụ, extrusion anwụ, na oghere rọba na ihe ndị na-achọ ike siri ike na ezigbo mma.
Mejupụtara
| C | Mn | Si | Cr | Mo | V | C |
| 0.40 | 0.40 | 1.00 | 5.25 | 1.35 | 1.00 | 0.40 |
| Ọnụọgụ nke Mgbasa ọkụ (47-48 HRC) | |||
| Okpomọkụ︒F | na/na︒F×10-6 | Okpomọkụ︒C | mm/mm︒C × 10-6 |
| 80-200 | 5.8 | 21-93 | 10.4 |
| 80-400 | 6.3 | 21-204 | 11.3 |
| 80-800 | 6.9 | 21-316 | 12.4 |
| 80-1200 | 7.3 | 21-427 | 13.1 |
| 80-1500 | 7.5 | 21-538 | 13.5 |
nkọwa:
Na-ewe iwe:Iwe ozugbo emenyụchara. Ụdị okpomọkụ a na-ahụkarị bụ 1000-1150°F (538-621°C). Jide na okpomọkụ dị ọkụ maka 1 hour kwa inch (25.4mm) nke ọkpụrụkpụ, mana maka awa 2 opekempe, wee mee ka ikuku dị jụụ ruo okpomọkụ. Achọrọ iwe ọkụ ugboro abụọ. Iji mee ka ike sie ike na ịrụ ọrụ ngwá ọrụ, a na-ejikarị iwe nke atọ eme ihe dị ka ihe mgbakasị ahụ mgbe emechara machining, egweri, na ọrụ EDM na ngwá ọrụ ahụ.
NA-ANEALING
A ga-emerịrị mgbakasị ahụ mgbe arụchara ọrụ ọkụ na tupu ịmaliteghachi ike.
Kpoo ọkụ na ọnụego agaghị agafe 400°F kwa elekere (222°C kwa elekere) ruo 1575-1625°F (857-885°C), ma jide na okpomọkụ maka 1 hour kwa inch nke oke ọkpụrụkpụ; 2 awa kacha nta. Mgbe ahụ, jiri nwayọọ nwayọọ mee ka ọkụ ahụ dị jụụ na ọnụego agaghị agafe 50ºF kwa elekere (28°C kwa elekere) ruo 1000°F (538°C). Gaa n'ihu na-ajụkwa oyi ruo n'ọnọdụ okpomọkụ n'ime ọkụ ma ọ bụ n'ikuku. Isi ike ga-esi na ya pụta kwesịrị ịbụ kacha nke 235 HBS.
Ngwunye elu: Black, Rough Machined, Tụgharịa ma ọ bụ dịka achọrọ.
Ngwa ndị ọzọ
| ngwa | Na-akwalite okpomọkụ | HRC |
| Ịkụ ọkpọ oyi siri ike, mkpụcha ahịhịa | 1,870-1,885 ° F | 50-52 |
| (1,020-1,030 Celsius C) | ||
| Na-ekpo ọkụ 480°F (250°C) | ||
| Ịcha ọkụ | 1,870-1,885 ° F | |
| (1,020-1,030 Celsius C) | 50-52 | |
| Na-ekpo ọkụ 480°F (250°C) ma ọ bụ | ||
| 1,070-1,110 ° F | 45-50 | |
| (575-600 Celsius C) | ||
| Mgbanaka mgbanaka (dịka ọmụmaatụ maka carbide simented nwụrụ) | 1,870-1,885 ° F | 45-50 |
| (1,020-1,030 Celsius C) | ||
| Na-ekpo ọkụ 1,070-1,110°F | ||
| (575-600°C) | ||
| Akụkụ ndị na-eguzogide iyi | 1,870-1,885 ° F | Core |
| 50-52 | ||
| elu | ||
| ~ 1000HV1 |
NWAANYI AGBARA
Njupụta: 0.280 lb/in3 (7750 n'arọ/m3)
· Nnukwu ike ndọda: 7.75
· Machinability: 65-70% nke a 1% carbon ígwè
| item | Dimension (mm) | usoro | Ọnọdụ nnyefe |
Ogwe okirikiri | DIA1.0 - 30 | Oyi-ese / enweghị ebe egweri | Na-egbuke egbuke & Anneal |
| DIA20 - 80 | ekpepụsị | Na-egbuke egbuke & Anneal | |
| DIA 13-180 | Agbanyela Ọkụ | Black elu & Mgbakwunye | |
| DIA 70-400 | Agbanyela Ọkụ | Black elu & Mgbakwunye |
