Omenala Chrome Molybdenum 42CrMo4 alloy steelngwaahịa nkedo itinye egomaka mkpọchi nko ụgbọ ala naelectrophoresis elu ọgwụgwọ.
42CrMo4 (1.7225) sitere na nkọwapụta nke EN 10083-3, nke a na-ejikarị ọkụ QT (Queching + Tempering) na-agwọta, na-eji ya eme ihe nkedo itinye ego. ọ nwere ike dị elu, ịdị elu dị elu, ike siri ike dị mma, iwe ọkụ ọkụ, oke ike ọgwụgwụ, mmetụta dị mma na-eguzogide mgbe ọ kwụsịrị na iwe ọkụ, yana ezigbo mmetụta okpomọkụ dị ala. Ọkwa nke 42CrMo4 bụ 4140 (ASTM, USA) na 42CrMo (GB/T 3077, China)
| Ngwakọta kemịkalụ% | |||||||||
| Obodo (mpaghara) | Ọkọlọtọ | Aha igwe (nọmba igwe) | C | Si ≤ | Mn | P ≤ | S ≤ | Cr | Mo |
| European Union | EN 10083-3 | 42CrMo4 (1.7225) | 0.38-0.45 | 0.4 | 0.60-0.90 | 0.025 | 0,035 | 0.90-1.20 | 0.15-0.30 |
Ngwongwo nchara 42CrMo4 na ime ụlọ n'ime ọkụ na ọnọdụ ọkụ.
Ike mpụta:
≥900 N/mm2 (d≤16mm, t≤8mm)
≥750 N/mm2 (16 <d ≤ 40mm, 8 <t ≤ 20mm)
≥900 N/mm2 (40 <d ≤ 100mm, 20 <t ≤ 60mm)
≥900 N/mm2 (100 <d ≤ 160mm, 60 <t ≤ 100mm)
≥900 N/mm2 (160 <d ≤ 250mm, 100 <t ≤ 160mm)
Ike ọdụdọ:
1100-1300 N/mm2 (d≤16mm, t≤8mm)
1000-1200 N/mm2 (16 <d ≤ 40mm, 8 <t ≤ 20mm)
900-1100 N/mm2 (40 <d ≤ 100mm, 20 <t ≤ 60mm)
850-950 N/mm2 (100 <d ≤ 160mm, 60 <t ≤ 100mm)
750-900 N/mm2 (160 <d ≤ 250mm, 100 <t ≤ 160mm)
Mgbatị:≥ 10% (d≤16mm, t≤8mm)
Mmetụta ike ogologo oge ule Charpy-V-notch:
≥35J (16 <d ≤ 250mm, 8 <t ≤ 160mm)
≥11% (16 <d ≤ 40mm, 8 <t ≤ 20mm)
≥12% (40 <d ≤ 100mm, 20 <t ≤ 60mm)
≥13% (100 <d ≤ 160mm, 60 <t ≤ 100mm)
≥14% (160 <d ≤ 250mm, 100 <t ≤ 160mm)
42CrMo4+ QT siri ike na HRC: ≥53 (mgbe ire ọkụ ma ọ bụ induction hardening)
42CrMo4 siri ike na HBW: ≤255 (a na-emeso ya iji melite shearability); ≤241 (annealed dị nro)
CArbon ígwè, obere alloy ígwè, elu alloy ígwè na ngwá ọrụ nkedo na-eji na ọtụtụ ulo oru ngwa. Site n'ọtụtụ akara ule ha, ígwè na alloys ha nwere ike ịgwọ ọkụ iji meziwanye mkpụrụ ya na ike tensile na, gbanwee ike ike ma ọ bụ ductility maka mkpa ngwa injinia ma ọ bụ ihe eji arụ ọrụ chọrọ.
| Ngwakọta kemịkalụ ụfọdụ nke Chrome Molybdenum Cast Steel | ||||||
| Ọkwa ígwè | C (%) | Si (%) | nde (%) | Cr (%) | Mo (%) | P, S (%) |
| ZG20CrMo | 0.17-0.25 | 0.20-0.45 | 0.50-0.80 | 0.50-0.80 | 0.40-0.60 | ≤0.035 |
| ZG35CrMo | 0.30-0.37 | 0.30-0.50 | 0.50-0.80 | 0.80-1.20 | 0.20-0.30 | ≤0.035 |
| ZG40CrMo | 0.35-0.45 | 0.17-0.45 | 0.50-0.80 | 0.80-1.10 | 0.20-0.30 | ≤0.04 |
| ZG20Cr5Mo | 0.15-0.25 | ≤0.50 | ≤0.60 | 4.00-6.00 | 0.50-0.65 | ≤0.04 |
| ZG17CrMo | 0.15-0.20 | 0.30-0.60 | 0.50-0.80 | 1.20-1.50 | 0.45-0.55 | ≤0.04 |
Iji nkeusoro nkedo itinye ego, RMC nkedo Fondry nwere ike izute ihe nkọwapụta dị ka ASTM, SAE, AISI, ACI, DIN, EN, ISO, na GB ụkpụrụ. Anyị nwere ihe karịrị 100 dị iche iche ferrous na ndị na-abụghị ígwè alloys nke anyị ji atụdo akụkụ site na mgbagwoju imewe. A na-emepụta ihe nkedo itinye ego n'ụdị akụkụ yana mgbagwoju anya geometric ka ọ bụrụ ụgbụ, na-ebelata mkpa maka nrụpụta nke abụọ.
A na-eji ígwè nkedo chromium-molybdenum eme ihe n'ọtụtụ ebe n'ime ụlọ ọrụ mmepụta ihe nwere ihe eji arụ ọrụ dị elu. Mgbakwunye nke molybdenum na chromium ígwè nwere ike ime ka ike nke nkedo ígwè na-enweghị mmetụta dị ukwuu na mmetụta siri ike nke nkedo ígwè. Ọzọkwa, chromium-molybdenum nkedo ígwè nwere ezigbo ọrụ okpomọkụ dị elu yana nguzogide na-akpụ akpụ. Mgbe emenyụchara na iwe ọkụ ma ọ bụ na-emezi ọgwụgwọ okpomọkụ, chromium-molybdenum nkedo ígwè nwere ike nweta ezigbo ihe eji arụ ọrụ.
Molybdenum nwere ike imeziwanye ike nke igwe nkedo ma belata njiri ọkụ nke igwe nkedo. A na-eji ígwè nkedo Chromium-molybdenum mee ihe nkedo nnukwu akụkụ na nkedo nchara nke chọrọ ike siri ike.
| Data teknụzụ nkedo itinye ego na RMC Foundry | |
| R & D | Ngwa ngwa: Solidworks, CAD, Procast, Pro-e |
| Oge ndu maka mmepe na ihe nlele: 25 ruo 35 ụbọchị | |
| Ọla ọla | Ferritic igwe anaghị agba nchara, Martensitic igwe anaghị agba nchara, Austenitic igwe anaghị agba nchara, ọdịda mmiri ike igwe anaghị agba nchara,Duplex igwe anaghị agba nchara |
| Carbon ígwè, Alloy Steel, Ngwá Ọrụ ígwè, Okpomọkụ na-eguzogide ígwè, | |
| Alloy Nickle-base Alloy, Aluminom Alloy, Copper-base Alloy, Cobalt-base Alloy | |
| Ọkọlọtọ igwe | ISO, GB, ASTM, SAE, GOST EN, DIN, JIS, BS |
| Ihe eji arụ ụlọ Shell | Silica Sol (Silica nwere mmiri ozuzo) |
| Igwe mmiri (Sodium Silicate) | |
| Ngwakọta nke Silica Sol na Glass Water | |
| Nka nka | Iberibe ibu: gram 2 ruo 200 grams |
| Oke kachasị: 1,000 mm maka dayameta ma ọ bụ Ogologo | |
| Obere mgbidi: 1.5mm | |
| Ihe nkedo nkedo: Ra 3.2-6.4, Ịrụ arụrụ arụ: Ra 1.6 | |
| Nkwenye nke nkedo: VDG P690, D1/CT5-7 | |
| Nlegide nke igwe: ISO 2768-mk/IT6 | |
| Isi N'ime: Ceramic Core, Urea Core, Water Soluble Wax Core | |
| Ọgwụgwọ okpomọkụ | Normalizing, Iwe iwe, Nkwụsị, Mwepu, Ngwọta, Carburization. |
| Ọgwụgwọ elu | Nchacha, aja/mgba ọkụ, Mwepu Zinc, Plate nickel, Ọgwụgwọ Oxidition, Phosphate, Ntụ ntụ, Geormet, Anodizing |
| Nlele nha nha | CMM, Vernier Caliper, N'ime Caliper. Gage Omimi, Gage Height, Go/No go Gage, Ihe ndozi pụrụ iche |
| Nyocha kemịkalụ | Nyocha ihe mejupụtara kemịkalụ (ihe kemịkalụ 20), Nnyocha ịdị ọcha, Nnyocha redio X-ray, nyocha nke carbon-sulfur. |
| Nyocha anụ ahụ | Ntụle na-agbanwe agbanwe, Static Blancing, Mechanical Properties (Ike siri ike, Ike Mịpụta, Ike tensile), Mgbatị |
| Ike mmepụta | Ihe karịrị tọn 250 kwa ọnwa, ihe karịrị tọn 3,000 kwa afọ. |
Usoro nkedo itinye ego
