p355gh vs p355nh ua
Tshuaj muaj pes tsawg leeg
| Element | P355GH(EN 10028-2) | P355 NHTS EN 10028-3 | Qhov txawv tseem ceeb |
|---|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.18% | Tsawg dua lossis sib npaug li 0.18% | Tib yam siab tshaj carbon txwv, kom ntseeg tau qhov zoo sib xws weldability thiab lub hauv paus lub zog muaj peev xwm. |
| Silicon (Si) | Tsawg dua lossis sib npaug li 0.60% | Tsawg dua lossis sib npaug li 0.50% | P355GH tso cai me ntsis siab dua silicon rautxhim kho deoxidation thiab siab -kub scaling kuj. |
| Manganese (Mn) | 1.10–1.70% | 1.10–1.70% | Tib yam manganese ntau yam, muab cov hardenability zoo sib xws thiab qib zog. |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.025% | Tsawg dua lossis sib npaug li 0.020% | P355NH muajstricter phosphorus txwvrau kev txhim kho toughness, tshwj xeeb tshaj yog nyob rau hauv qis kub. |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.010% | Tsawg dua lossis sib npaug li 0.008% | P355NH muajtxawm tias qis sulfurkom huv si zoo dua thiab txo kev pheej hmoo ntawm kub tawg. |
| Alloying Elements | Tej zaum yuav muaj kab mob Mo, Nb, V rau siab -temp lub zog | Tej zaum yuav muaj tswj tau Nb, V, Ti, Brau zoo - cov qauv nplej thiab txhim kho toughness | P355NH feem ntau sivmicroalloying rau kev txhim kho qis -kub toughness; P355GH tsom rau kev ua haujlwm siab - kub. |
| Boron (B) | Tsis feem ntau ntxiv | Tej zaum yuav muab ntxiv rau hauv cov lej | Boron hauv P355NHtxhim kho hardenability thiab qis -kub los cuam tshuam toughness. |
Mechanical Properties
| Khoom | P355GH(EN 10028-2) | P355 NHTS EN 10028-3 | Qhov txawv tseem ceeb |
|---|---|---|---|
| Yield zog (ReH) | Ntau dua lossis sib npaug li 355 MPa (thickness Tsawg dua lossis sib npaug li 16 hli) | Ntau dua lossis sib npaug li 355 MPa (thickness Tsawg dua lossis sib npaug li 16 hli) | Zoo tib yam yield zog yuav tsum. |
| Tensile zog (Rm) | 490-630 MPa | 490-630 MPa | Tib lub zog tensile ntau yam. |
| Elongation (A5) | Ntau dua lossis sib npaug li 20% (thickness Tsawg dua lossis sib npaug li 16mm) | Ntau dua lossis sib npaug li 20% (thickness Tsawg dua lossis sib npaug li 16mm) | Cov kev xav tau elongation zoo ib yam. |
| Impact Toughness | Ntau dua lossis sib npaug rau 27 J ntawm 0 degree | Ntau dua lossis sib npaug rau 27 J ntawm-20 degree | P355NH muaj qhov zoo tshaj qhov qis-kub toughness, kuaj ntawm -20℃vs . 0℃rau P355GH. |
Daim ntawv thov tseem ceeb -Cov khoom muaj feem xyuam
| Khoom / Daim Ntawv Thov | P355GH | P355 NH | Qhov txawv tseem ceeb |
|---|---|---|---|
| Kev kho cua sov | Feem ntau normalized (N) los yog quenched & tempered | Feem ntaunormalized (N) lossis normalized thiab tempered (N + T) | Ob leeg xav tau kev kho cua sov, tab sis P355NH yuav raug mobntxiv tempering rau txhim kho toughness. |
| Npaj siv | Siab- cov hlab ntsha siab, boilers, thiab nruab nrab- cov kav dej kub | Tsawg-kub siab cov hlab ntsha, cryogenic systems, thiab hnyav ib puag ncig | ** P355NH yog tsim los rauLow-kub thiab siab- kev siv siab ncaj ncees; P355GH yog rau nruab nrab -kub siab tshuab. |
| Weldability | Zoo, tab sis tej zaum yuav xav tau preheating rau tuab seem | Zoo heev, nrog zoo - cov qauv nplej txhim kho weldability | P355NH's microalloying thiab qis impuritiestxhim kho weld zoo thiab txo qhov kev pheej hmoo tawg. |
| High -Tsub Kev Ua Haujlwm | Haum rau kub txog li ~ 400 degree | Txwv siab -kub muaj peev xwm; optimized rau qis-kub toughness | P355GH khaws lub zog zoo dua ntawm qhov kub siab; P355NH tsom raulow-kub kev ncaj ncees. |
| Tsawg-Kev Ua Haujlwm Kub | Txwv (kev cuam tshuam kuaj ntawm 0 degree) | Superior (kev cuam tshuam kuaj ntawm -20 degree) | P355NH yogzoo dua rau cryogenic los yog txias - huab cua siab daim ntawv thov. |
| Creep Resistance | Nruab nrab, vim muaj peev xwm microalloying | Txhim kho vim zoo - cov qauv nplej thiab microalloying | P355NH tuaj yeem muabzoo dua ntev -lub sij hawm ruaj khov nyob rau hauv kev ntxhov siab ntawm qhov kub thiab txias. |
| Standard Reference | TS EN 10028-2 Cov hlab ntsha siab siab | TS EN 10028-3 (npib tsib xee- alloyed thiab zoo- nplej siab lub nkoj steel) | Cov qauv sib txawv qhia txogtxawv design philosophies: P355GH rau kev siab dav; P355NH rau qis- kub / siab- kev ncaj ncees. |
P355GH siab kav kav Hoobkas
