S355JR steel phajyog siv dav siv tsis yog{0}} alloy structural steel ua raws li EN 10025-2 tus qauv. Raws li ib tug kws manufacturers thiab tsum,
GNEE Steel muab siab - zoo S355JR steel daim hlau nrog txhim khu kev qha tshuaj muaj pes tsawg leeg, txhua yam muaj zog, thiab kev ua tau zoo heev rau kev tsim kho thoob ntiaj teb, choj, tshuab, thiab kev tsim cov nkoj.
S355JR steel phaj
S355JR steel phaj tau paub txog nws qhov siab tensile thiab tawm los lub zog, weldability zoo heev, thiab cuam tshuam tsis kam, ua rau nws haum rau hnyav ib puag ncig thiab hnyav -load daim ntaub ntawv.
Txiav Kev Ua Haujlwm ntawm S355JR Steel Phaj
Nkag siab txog qhov kev ua tau zoo ntawm S355JR steel phaj yog qhov tseem ceeb rau kev ua kom zoo dua cov txheej txheem fabrication.
Cov txheej txheem ua: Drilling, milling, tig, laser txiav, thiab plasma txiav
Cov ntsiab lus tseem ceeb: txiav quab yuam, nto roughness, thiab kev ua haujlwm zoo
Cov txiaj ntsig: Txo cov cuab yeej hnav, txhim kho qhov chaw tiav, thiab ua kom cov khoom ua tau zoo
Tswv yim tswv yim: Kho tej ceev thiab pub tus nqi raws li thickness kom ua tau zoo tau.
Formability ntawm S355JR Steel Phaj
S355JR steel phaj formability txiav txim siab npaum li cas cov khoom tuaj yeem ua tau zoo li tsis muaj kev tawg lossis poob lub zog.
Txias dabtsi yog khoov & Kub dabtsi yog khoov: Smooth yas deformation, kwv yees kev nyuaj siab faib
Stretching: Haum rau shaping rau hauv nkhaus los yog cylindrical lug
Sheet Hlau Daim Ntawv Thov: Siab precision hauv cov qauv tsim
Qhov Zoo Tshaj Plaws: Cov yas zoo heev tso cai rau cov duab nyuaj yam tsis muaj kev cuam tshuam cov neeg kho tshuab kev ncaj ncees.
Welding Performance ntawm S355JR Steel Phaj
Vuam yog txheej txheem tseem ceeb rau cov qauv hlau. S355JR steel phaj muaj zoo weldability:
Tau tshaj lwm yam steels
Txhawb MIG, TIG, arc vuam txoj kev
Vuam cheeb tsam microstructure tseem tsis sib xws nrog cov tsis raug
Yam tsawg kawg nkaus ntawm kev tawg lossis brittleness ncej-weld
Tswv yim: Tsim nyog preheating thiab tswj cov cua sov input txhim kho toughness thiab tiv thaiv weld defects.
Microstructure thiab Mechanical Performance tom qab ua tiav
Kev ua haujlwm yuav cuam tshuam rau microstructure thiab kev ua haujlwm:
| Khoom | S355JR steel phaj | Chav tsev |
|---|---|---|
| Yield zog | 355 | MPa |
| Tensile zog | 470–630 | MPa |
| Elongation | Ntau dua lossis sib npaug 22 | % |
| Impact Zog | Ntau dua lossis sib npaug rau 27 (ntawm 20 degree) | J |
| Hardness | 140–180 | HB |
Corrosion thiab hnav tsis kam
Corrosion Resistance: Haum rau qhov chaw ntub dej thiab los nag
Wear Resistance: High deg hardness ua kom lub neej ntev kev pab cuam hauv kev lag luam
Durability: Zoo tagnrho rau cov txuas txuas, txuas txuas, nkoj, thiab tshuab
Cov Ntsiab Lus Tseem Ceeb - Qhov Zoo Tseem Ceeb ntawm S355JR Steel Phaj
High tensile thiab yield zog
Zoo heev cuam tshuam toughness
Kev ua haujlwm yooj yim: txiav, drilling, vuam, riveting
Zoo hnav thiab corrosion kuj
Haum rau hnyav ib puag ncig
Kev siv ntawm S355JR Steel Phaj
S355JR steel phaj yog dav siv thoob plaws ntau lub lag luam:
- Kev tsim kho: Cov kab teeb tsa, cov ncej, thiab thauj khoom-cov kabmob
- Choj & Infrastructure: Kev loj, railway, thiab cov neeg taug kev choj
- Machinery Manufacturing: Heavy- cov haujlwm ntas thiab cov khoom
- Shipbuilding & Offshore: Marine cov qauv raug kev nyuaj siab thiab av noo
S355JR steel phaj sib txuas cov khoom siv zoo heev, kev tiv thaiv corrosion, hnav tsis kam, thiab kev ua haujlwm zoo dua, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev tsim kho, choj engineering, machinery, thiab shipbuilding tej yaam num.
S355JR sib npaug li cas?
S355JR cov qhab nia sib npaug muaj cov tshuaj lom neeg zoo heev thiab cov khoom siv kho tshuab rau cov hlau S355JR. Ob qhov S355JR sib npaug qibQ345B, A572 Gr 50, ST52-3, SM490Bthiab S355JR steel yog cov khoom tseem ceeb ntawm Gnee steel.
Qhov txawv ntawm S275JR thiab S355JR yog dab tsi?
S275JR: Muaj qhov tsawg kawg nkaus tawm lub zog ntawm 275 MPa rau thicknesses txog 16 hli. Qhov no ua rau nws tsim nyog rau cov ntawv thov uas muaj zog txaus txaus. S355JR: Muab qhov siab tshaj qhov ua tau zoo ntawm 355 MPa rau thicknesses txog 16 hli, ua rau nws zoo tagnrho rau tej yaam num uas yuav tsum tau ntau dua load- bearing muaj peev xwm.
S355JR steel yog dab tsi?
355jr uaqib qis- carbon steel feem ntau siv rau hauv cov qauv siv. Nws yog ib feem ntawm 'S' tsev neeg hlau, uas suav nrog qib S235, S275, thiab S355. Qhov kev xaiv "JR" txhais tau hais tias cov khoom tau raug rau Charpy V- qhov ntsuas qhov cuam tshuam ntawm 208℃thiab muaj qhov cuam tshuam tsawg kawg ntawm 27 Joules.