Cov khoom siv twg yog 1.4112 sib npaug?
Tso lus
Cov khoom siv dab tsi yog en1.4112?
EN 1.4112 yog qhov siab -hardness, hnav- tiv taus, martensitic stainless hlau, tseem paub los ntawm nws tus lej UNS S44003, AISI 440B, thiab X90CrMoV18, muaj cov khoom ntxiv ntawm chromium, molybdenum, thiab vanadium rau cov ntug zoo heev ua rau nws lub tswv yim thiab polishing. siab -kev ua tau zoo bearings.
Cov khoom siv twg yog 1.4112 sib npaug?
1.4112 cov khoom siv yog siab -carbon martensitic stainless hlau sib npaug rau AISI 440B, paub los ntawm nws cov European tsim X90CrMoV18 thiab UNS S44003, muab siab tawv, hnav tsis kam, thiab zoo corrosion kuj, feem ntau siv rau cov cuab yeej txiav, cov cuab yeej phais, thiab pwm.
Cov tshuaj muaj pes tsawg leeg ntawm 1.4112 yog dab tsi?
1.4112 (tseem hu ua AISI 440B lossis X90CrMoV18) yog siab -carbon martensitic stainless hlau nrog cov ntsiab lus tseem ceeb ntawm Chromium (17-19%) thiab Carbon (0.85-0.95%), ntxiv rau Molybdenum thiab Vanadium rau kev txhim kho hardness.
| Qib | C | Mn | P | S | Si | Cr | Mo | V |
| 440B (1.4112) | %0.85-0.95 | % 1.0 max | % 0.040 max | % 0.03 max | % 1.00 max |
%17-19 |
%0.90-1.30 |
%0.07-0.12 |
X90CrMoV18 Stainless Hlau Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Tensile zog | 900-1100 MPa |
| Yield zog (0.2% offset) | Ntau dua lossis sib npaug li 650 MPa |
| Elongation | Ntau dua lossis sib npaug li 12% |
| Hardness | 56-60 HRC |
| Impact Toughness (Charpy V, 20 degree) | Ntau dua lossis sib npaug li 10 J |
TS EN 1.4112 (X90CrMoV18) Stainless Steel Lub cev muaj zog
| Khoom | Tus nqi |
|---|---|
| Qhov ntom | 7.70 g / cm³ |
| Elastic Modulus | 215 GPa |
| Thermal conductivity (20 degree) | 24 W/m·K |
| Tshwj xeeb kub muaj peev xwm | 460 J/kg · K |
| Hluav taws xob Resistivity | 0.60 µΩ·m |
| Coefficient ntawm Thermal Expansion (20-100 degree) | 10.5 × 10⁻⁶ /K |
| Melting Range | 1420 - 1460 degree |
Puas yog 1.4112 stainless hlau sib nqus?
Yog lawm, 1.4112 stainless hlau yog hlau nplaum vim nws yog martensitic chromium hlau. Martensitic qib ntawm stainless hlau, xws li 1.4112 (tseem hu ua AISI 440B), paub tias yog hlau nplaum vim lawv muaj pes tsawg leeg thiab siv lead ua qauv, tsis zoo li austenitic stainless hlau uas feem ntau tsis yog-magnetic.
Dab tsi yog qhov ntom ntawm 1.4112 stainless hlau?
Qhov ntom ntawm 1.4112 stainless hlau (tseem hu ua X90CrMoV18 lossis AISI 440B) feem ntau yog nyob ib puag ncig 7.7 txog 7.85 g / cm³, nrog rau feem ntau qhov chaw hais txog 7.7 g / cm³ lossis 7.7 kg / dm³ raws li tus qauv, txawm tias me ntsis kev hloov pauv tuaj yeem tshwm sim los ntawm kev kho cua sov.
Dab tsi yog qhov hardness ntawm 1.4112 stainless hlau?
Stainless hlau tig milling1.4112 stainless hlau (tseem hu ua AISI 440B los yog X90CrMoV18) yog ib tug hardenable martensitic hlau, muaj peev xwm ua tau siab hardness, feem ntau xws li ntawm 54 mus rau 60 HRC (Rockwell Hardness C Scale) tom qab kev kho cua sov, nrog rau kev ua hauj lwm siab tshaj plaws ntawm 5-8 lub xeev ntawm HRC3. 265 HB (Brinell).
Dab tsi yog qhov txawv ntawm 1.4112 thiab 1.4125 stainless hlau?
1.4112 (AISI 440B) thiab 1.4125 (AISI 440C) yog ob qho tib si siab -carbon martensitic stainless hlau siv rau kev txiav, tab sis 1.4125 muaj cov ntsiab lus carbon ntau dua, ua rau muaj zog dua thiab hnav tsis kam, thaum 1.4112 muaj ntxiv vanadium, muab kev sib npaug zoo dua.
Yog tias koj muaj qhov project xav tau rau 1.4112 stainless hlau bar, peb txais tos koj qhov kev txiav txim. GNEE muaj cov khoom muag loj ntawm cov khoom nrov rau koj xaiv. Peb ua cov khoom no rau hauv ntau hom khoom siv, nrog rau cov ntawv, coil, raj, bar, thiab hlau. Rau cov ncauj lus kom ntxaws tshuaj muaj pes tsawg leeg thiab kuaj dawb, thov hu rau peb lub Hoobkas hnub no. Peb muab cov nqi sib tw thiab kev pabcuam zoo heev.info@gneestainless.com
