SS 1.4021 tshuaj muaj pes tsawg leeg
Tso lus
🔹 Cov khoom siv dab tsi yog 1.4021 qt?
1.4021 QT yog martensitic, hardenable stainless hlau (tseem hu ua X20Cr13 los yog AISI 420) muab nyob rau hauv ib tug quenched thiab tempered mob. Nws nta 13% chromium, muab zoo corrosion kuj nyob rau hauv ib puag ncig me me, siab tensile zog, thiab siab hardness (feem ntau nyob ib ncig ntawm 46 HRC). Nws yog feem ntau siv rau shafts, twj tso kua mis, thiab cov cuab yeej.
🔹 Cov khoom siv twg yog 1.4021 sib npaug?
1.4021 cov khoom sib npaug yog hais txog AISI 420 (los yog S42000 / S42010) hauv Teb Chaws Asmeskas, X20Cr13 hauv Tebchaws Europe, thiab SUS420J1 hauv Nyij Pooj, nrov hardenable martensitic stainless hlau nrog zoo hardness, lub zog, thiab nruab nrab corrosion kuj, siv rau cov hniav, twj tso kua mis, thiab lwm yam.
| DIN EN X20Cr13 (1.4021) Cov khoom sib npaug | |||||||||
| European Union | Teb Chaws Asmeskas | ISO | Tuam Tshoj | Nyiv | |||||
| Txuj | Lub npe hlau (khoom siv) | Txuj | Qib (UNS) | Txuj | Qib (ISO naj npawb) | Txuj | Qib | Txuj | Qib |
| EN 10088-2; EN 10088-3; TS EN 10088-1 |
X20Cr13 (1.4021) | AISI; ASTM A240 / A240M; ASTM A276 / A276M; ASTM A959 Txuj |
TIAB SA 420 (UNS S42000) |
TS EN ISO 15510 | X20Cr13 (4021-420-00-I) | GB/T 1220; GB/T 3280 |
2Cr13; 20Cr13 (Tshiab npe) | JIS G4303; JIS G4304 |
SUS 420J1 |
🔹 SS 1.4021 tshuaj muaj pes tsawg leeg (Tswj, %)
| Qib |
C | Cr | Mn | Si | P (max) | S (max) | Ni |
|---|---|---|---|---|---|---|---|
| 1.4021 (X20Cr13) | 0.16–0.25 | 12.0–14.0 | Tsawg dua los yog sib npaug li 1.5 | Tsawg dua los yog sib npaug rau 1.0 | Tsawg dua lossis sib npaug li 0.040 | Tsawg dua lossis sib npaug li 0.030 | Tsawg dua lossis sib npaug li 0.75 |
🔹1.4021 Mechanical Properties (Hom, Annealed & Hardened)
| Khoom | 1.4021 (X20Cr13) | 1.4028 (X30Cr13) |
|---|---|---|
| Qhov ceev (g / cm³) | 7.7 | 7.7 |
| Hardness (Annealed, HB) | Tsawg dua lossis sib npaug li 230 | Tsawg dua lossis sib npaug li 241 |
| Hardness (Hardened + Tempered, HRC) | 45–50 | 50–56 |
| Tensile zog (Rm, MPa, annealed) | 600–750 | 700–950 |
| Yield zog (Rp0.2, MPa, annealed) | Ntau dua lossis sib npaug li 350 | Ntau dua lossis sib npaug li 450 |
| Elongation (A5,%) | Ntau dua lossis sib npaug li 15 | Ntau tshaj los yog sib npaug rau 10 |
| Impact Toughness (ISO-V, J) | Siab dua | qis |
🔹 1.4021 Stainless Hlau Corrosion Resistance:
Lub martensitic stainless hlau 1.4021 (AISI 420, X20Cr13) muaj corrosion kuj zoo vim nws cov ntsiab lus chromium siab ntawm 12-14%. Qhov no siv tshwj xeeb rau cov uas tsis yog -Chlorine-muaj cov xov xwm xws li cov organic acids, xab npum lossis cov kuab tshuaj. Cov khoom yog resistant rau scaling mus txog 600 degree.
🔹1.4021 Stainless Hlau Thaum tshav kub kub kho:
1.4021 (AISI 420) stainless hlau yog lub hardenable martensitic stainless hlau, feem ntau hardened los ntawm cov roj los yog cua quenching ntawm qhov kub ntawm 950℃mus rau 1050 degree, ua raws li tempering kom ua tiav lub zog xav tau (xws li QT700 lossis QT800). Nws muaj cov hardness siab (txog 52 HRC) thiab zoo corrosion kuj, nrog rau qhov zoo tempering kub ntawm 600℃mus rau 750 degree.
1.4021 Stainless Hlau Bar Daim Ntawv Thov:
Machinery thiab Engineering: Cheebtsam yuav tsum muaj zog thiab nruab nrab corrosion kuj, nrog rau cov twj tso kua mis, piston rods, zog, thiab fasteners.
Cutlery thiab cuab yeej: Riam, txiab, thiab txiav cov cuab yeej, raws li nws tuav ib tug ntse ntug zoo.
Cov cuab yeej kho mob: cov cuab yeej phais xws li forceps thiab scalpels.
Automotive Kev Lag Luam: Crankshafts, gearbox Cheebtsam, thiab qag qhov chaw vim hnav tsis kam.
Valve thiab Hydraulic: Valve Cheebtsam, fittings, thiab hydraulic kheej kheej.
Kev Siv Hluav Taws Xob: Cov tshuab ntxhua khaub ncaws, agitators, thiab cov hniav siv.
🔹1.4021 Stainless Steel Supplier-GNEE
Yog tias koj muaj qhov yuav tsum tau ua rau 1.4021 stainless hlau, peb txais tos koj qhov kev txiav txim. GNEE muaj cov khoom muag loj ntawm cov khoom nrov rau koj xaiv. Nws tuaj yeem ua tiav rau hauv ntau yam khoom siv, nrog rau cov phaj, coils, raj, tuav, xov hlau, thiab lwm yam. Rau cov ncauj lus kom ntxaws txog cov tshuaj muaj pes tsawg leeg thiab cov qauv dawb, thov hu rau peb lub Hoobkas tam sim ntawd. Peb muab cov nqi sib tw thiab kev pabcuam zoo heev.
🔹 1.4021 Stainless Hlau Sheets & Phaj
| Qib | Yam khoom | Thickness | Dav | Ntev | Nto tiav | Qhov xwm txheej | Txuj | Kev Pabcuam |
|---|---|---|---|---|---|---|---|---|
| EN 1.4021 / AISI 420 | Daim Ntawv / Phaj | 0.5-100 hli | Txog li 2500 mm | Txog li 6000 mm | 2B, BA, No.1, Polished | Annealed, Q&T | EN 10088, ASTM A240 | Txiav, Polishing |
🔹 1.4021 Stainless Hlau Round Bars
| Qib | Yam khoom | Txoj kab uas hla | Ntev | Nto tiav | Qhov xwm txheej | Txuj | Kev Pabcuam |
|---|---|---|---|---|---|---|---|
| EN 1.4021 / AISI 420 | Round Bar | 6-500 hli | Tsau / Random | Dub, ci, tig | Annealed, Q&T | EN 10088, ASTM A276 | Txiav, tig |
🔹 1.4021 Stainless Hlau Flat Bars
| Qib | Yam khoom | Thickness | Dav | Ntev | Nto tiav | Qhov xwm txheej | Txuj | Kev Pabcuam |
|---|---|---|---|---|---|---|---|---|
| EN 1.4021 / AISI 420 | Pav ca Bar | 5-100 hli | 20-500 hli | Customized | Dub, Machined | Annealed, Kub Kho | EN 10058, ASTM A276 | Txiav, Milling |
🔹1.4021 Stainless Hlau Yeeb & Tubes
| Qib | Yam khoom | OD | Phab ntsa Thickness | Ntev | Nto tiav | Hom | Txuj | Kev Pabcuam |
|---|---|---|---|---|---|---|---|---|
| EN 1.4021 / AISI 420 | Tube / Tube | 6-630 hli | 0.8-30 hli | Customized | Pickled, Polished | Seamless / Welded | ASTM A268, EN 10216 thiab EN 10216 | Txiav, Xaus Xaus |
🔹1.4021 Stainless Hlau Hlau & Hlau Qws
| Qib | Yam khoom | Txoj kab uas hla | Daim ntawv | Nto tiav | Qhov xwm txheej | Txuj | Daim ntawv thov |
|---|---|---|---|---|---|---|---|
| EN 1.4021 / AISI 420 | Hlau / Hlau Qws | 0.5-12 hli | Coil / Ncaj | Bright, Pickled | Annealed, Txias Drawn | TS EN 10088 | Springs, Fasteners |
