Uru nke ar ígwè?
Ihe eji egwuko nke Jindalai na-enweta nnukwu nchara na nnukwu olu na otutu ndi n'emeputa ya na ndi oru osisi na-ele anya na ndu oru nke ihe di nkpa ma belata ibu nke otu. Uru nke ị na-etinye akwa na ngwa na-eme ka ihe dị na ngwa metụtara mmetụta na / ma ọ bụ ịkpọtụrụ ndị a na-asụ asụ.
A na-adigide ufọdu elu nchara na-adịgide ma na-eyi na-eguzogide ọgwụ, ịgbachitere nke ọma megide scuffs na ọkọ. Typedị steel a na-arụ ọrụ nke ọma na ngwa siri ike, ma na-enyekwa ụfọdụ mmetụta. Yrili ga-enyere aka ịgbatị ndụ ngwa gị ma belata ụgwọ gị na ogologo oge.
Nkọwapụta nke ar steel
| Nkowa | AR400 / 400f | AR450 / 450F | AR450 / 500f |
| Ihe isi ike (bhn) | 400 (360 min.) | 450 (429 min) | 500 (450 min.) |
| Carbon (max) | 0.20 | 0.26 | 0.35 |
| Manganese (min) | 1.60 | 1.35 | 1.60 |
| Phosphorus (max) | 0.030 | 0.025 | 0.030 |
| Sọlfọ (max) | 0.030 | 0.005 | 0.030 |
| Silicon | 0.55 | 0.55 | 0.55 |
| Chromium | 0.40 | 0.55 | 0.80 |
| Nke ozo | Enwere ike ịgbakwunye ihe mgbakwunye gị maka ịkwalite Njirimara Nchọgharị. | Enwere ike ịgbakwunye ihe mgbakwunye gị maka ịkwalite Njirimara Nchọgharị. | Enwere ike ịgbakwunye ihe mgbakwunye gị maka ịkwalite Njirimara Nchọgharị. |
| Nha nha | 3/16 "- 3" (obosara 72 "- 96" - 120 ") | 3/16 "- 3" (obosara 72 "- 96" - 120 ") | 1/4 "- 2 1/2" (obosara 72 "na 96") |
Njirimara nke AR400 na mpempe akwụkwọ ar500
AR400 bụ "Tike-Hady", Aanion na-eguzogide, Alloy na-eyi efere. Akụkụ siri ike bụ 360/440 bhn nwere ike ịdị elu nke 400 bhn. Ije ozi bụ 400 Celsius F. Ebumnuche ngwaahịa a ezubere maka iji ngwa ebe ezigbo nguzozi nke Ejiji, a chọrọ ihe isi ike na nguzogide ala ala. A na-erekarị Steels na-eguzogide mmiri na-eresị ya na oke mkparị ma ọ bụghị mmịiko. Obere ọdịiche dị na kemịka dị ugbu a dabere na ụdị igwe na-emepụta ihe. Ngwa nwere ike ịgụnye iji na mingbụ, ọgụ, ihe eji eme ya, igwe igwe, na ụlọ ọrụ pulp & akwụkwọ. Ejiri ngwa ahịa dị iche iche mee ihe maka ngwa liner; Ezubere ha maka iji dị ka usoro na-akwado onwe gị ma ọ bụ ngwaọrụ na-ebuli elu.
A500 bụ "mkpa na-eguzogide, na-eyi plate. Ihe siri ike dị 470/540 Bhn nwere ike ịdị elu nke 500 bhn. Ebumnuche ngwaahịa a ezubere maka iji ngwa ebe ezi echiche, ihe isi ike na nguzogide ala ala na-achọ. A na-erekarị Steels na-eguzogide mmiri na-eresị ya na oke mkparị ma ọ bụghị mmịiko. Obere ọdịiche dị na kemịka dị ugbu a dabere na igwe emepụta. Ngwa nwere ike ịgụnye iji na mingbụ, ọgụ, ihe eji eme ya, igwe igwe, na ụlọ ọrụ pulp & akwụkwọ. Ejiri ngwa ahịa dị iche iche mee ihe maka ngwa liner; Ezubere ha maka iji dị ka usoro na-akwado onwe gị ma ọ bụ ngwaọrụ na-ebuli elu.
AR400 vs ar450 vs er500 + Ís
Ogwe dị iche iche nwere ike ịnwe "Ezi Ezi ntụziaka" maka ar steel, mana etinyere ihe na-ahụ maka nnwale siri ike - mara ule nke Brinell - iji kpebie ụdị nke ọ dara. Ule Brinell rụrụ na akụrụngwa a na-ezute ASTM E10 nkọwapụta maka ihe enyemaka ihe na-anwale.
Ọdịiche dị n'etiti ar400, AR450 na A500 bụ ọnụ ọgụgụ siri ike nke Brinell (bhn), nke na-egosi ọkwa nke ihe ike.
AR400: 360-40 Bhn na-abụkarị
AR450: 430-480 bhn na-abụkarị
AR500: 460-544 Bhn na-abụkarị
AR600: 570-625 BNNNAH (na-adịkarị, mana ọ dị)
