P235GHepiP265GHyo tou de ki pa -alyaj presyon veso asye espesifye anba estanda Ewopeyen an EN 10028-2: 2017 (Plat pwodwi ki fèt ak asye pou rezon presyon). Yo lajman itilize nan chodyèr, veso presyon, echanjeur chalè, ak sistèm kanalizasyon opere nan tanperati modere ak elve.
Men yon konparezon detaye sou diferans kle yo:
Konpozisyon chimik
Distenksyon prensipal ant P235GH ak P265GH se nan konpozisyon chimik yo:

Remak: P265GH souvan gen yon ti kras pi wo ekivalan Kabòn (CEV) akòz ogmante Mn / C, ki mande pi sere kontwòl soude.
Pwopriyete mekanik
Yon lòt diferans enpòtan se nan pèfòmans mekanik yo:
- P235GH: Gen yon fòs sede minimòm de 235 MPa, ki fè li apwopriye pou aplikasyon pou presyon modere-. Fòs rupture li yo varye ant 360-500 MPa.
- P265GH: Ofri yon fòs sede ki pi wo nan 265 MPa ak yon fòs rupture nan 410-570 MPa, bay pi bon pèfòmans nan anviwònman ki pi wo presyon.
Aplikasyon
P235GH:
Akòz ekselan soudabilite li yo ak fòs modere, P235GH yo souvan itilize nan:
Echanjeur chalè
Chodyè presyon ba-
Sistèm tiyo pou likid oswa gaz ki gen pi ba presyon ak kondisyon tanperati
P265GH:
Avèk fòs siperyè li yo, P265GH se ideyal pou aplikasyon ki pi egzijan, tankou:
- Gwo-chodyè vapè presyon
- Veso presyon
- Tiyo endistriyèl ki pote likid tanperati ki wo
Soudabilite ak fabrikasyon
P235GH: Pi fasil pou soude akòz kontni kabòn ki pi ba li yo, sa ki fè li yon chwa pi pito pou pwojè kote soude se souvan.
P265GH: Toujou soude men li ka mande pou prechofaj oswa lòt prekosyon akòz pi wo ekivalan kabòn li yo.
Estanda ekivalan
| Klas | EN 10028-2 | ISO 9328-2 | ASTM ekivalan (Menm jan) |
|---|---|---|---|
| P235GH | X6CrMoS17 | P235GH | ASTM A516 Gr. 55 (sede ≈240 MPa) |
| P265GH | X10CrMoS17 | P265GH | ASTM A516 Gr. 60 (sede ≈260 MPa) |
Diferans kle yo
| Paramèt | P235GH | P265GH | Enplikasyon pratik |
|---|---|---|---|
| Sede fòs | 235 MPa (min) | 265 MPa (min) | P265GH okipe pi gwo presyon. |
| Souf (S) | Mwens pase oswa egal a 0.015% | Mwens pase oswa egal a 0.010% | Pi bon soudabilite pou P265GH. |
| Pri | Pi ba | Pi wo | P265GH ekonomize pwa men koute plis / kg. |
| Konpleksite soude | Ba | Modere / Segondè | P265GH mande pou plis ekspètiz. |
Si ou vle aprann plis sou pwodwi GNEE yo, ou ka voye yon imèl bayalloy@gneesteelgroup.com. Nou plis pase kontan ede w.
Ki sa ki ekivalan klas P235GH a?
ASTM A285
P235gh klas se yon alyaj nan estanda Ewopeyen an EN 10028-2, ki rele tou A2885 klas C asye a, P235gh ekivalan Astm Materyèl la se la.ASTM A285 oswa estanda A285M.
Ki ekivalan ASTM en 10028-2 P265gh?
ASTM A516 GR60 plak asye
Lè ou konsidere objektif presyon ak fòs sede ak valè minimòm pwopriyete mekanik, nan spesifikasyon estanda BS EN 10028-2 P265GH plak asye ekivalan aASTM A516 GR60 plak asye.
Ki diferans ki genyen ant P235GH ak P265GH?
P235GH: Gen yon fòs sede minimòm de 235 MPa, ki fè li apwopriye pou aplikasyon pou presyon modere-. Fòs rupture li yo varye ant 360-500 MPa. P265GH: Ofri yon fòs sede ki pi wo nan 265 MPa ak yon fòs rupture nan 410-570 MPa, bay pi bon pèfòmans nan anviwònman ki pi wo presyon.
Ki klas materyèl P265GH?
Klas P265GH se aestanda veso presyon soude ak klas asye chodyè. TheP265GH Plate a fèt ak yon kontni chimik ekselan bay li bon pèfòmans nan diferan anviwònman. P265gh Steel Plateis ideyal pou itilize nan sèvis tanperati ki wo, ki komen nan endistri pétrochimique ak chimik.



| Klas Plak Veso Presyon Apwovizyone Pa GNEE | |||||
| ASTM | ASTM A202/A202M | ASTM A202 Klas A | ASTM A202 Klas B | ||
| ASTM A203/A203M | ASTM A203 Klas A | ASTM A203 Klas B | ASTM A203 Klas D | ASTM A203 Klas E | |
| ASTM A203 Klas F | |||||
| ASTM A204/A204M | ASTM A204 Klas A | ASTM A204 Klas B | ASTM A204 Klas C | ||
| ASTM A285/A285M | ASTM A285 Klas A | ASTM A285 Klas B | ASTM A285 Klas C | ||
| ASTM A299/A299M | ASTM A299 Klas A | ASTM A299 Klas B | |||
| ASTM A302/A302M | ASTM A302 Klas A | ASTM A302 Klas B | ASTM A302 Klas C | ASTM A302 Klas D | |
| ASTM A387/A387M | ASTM A387 Klas 5 Klas1 | ASTM A387 Klas 5 Klas2 | ASTM A387 Klas 11 Klas1 | ASTM A387 Klas 11 Klas2 | |
| ASTM A387 Klas 12 Klas1 | ASTM A387 Klas 12 Klas2 | ASTM A387 Klas 22 Klas1 | ASTM A387 Klas 22 Klas2 | ||
| ASTM A515/A515M | ASTM A515 Klas 60 | ASTM A515 Klas 65 | ASTM A515 Klas 70 | ||
| ASTM A516/A516M | ASTM A516 Klas 55 | ASTM A516 Klas 60 | ASTM A516 Klas 65 | ASTM A516 Klas 70 | |
| ASTM A517/A517M | ASTM A517 Klas A | ASTM A517 Klas B | ASTM A517 Klas E | ASTM A517 Klas F | |
| ASTM A517 Klas P | ASTM A517 klas J | ||||
| ASTM A533/A533M | ASTM A533 Klas A Klas 1 | ASTM A533 Klas B Klas1 | ASTM A533 Klas C Class1 | ASTM A533 Klas D Class1 | |
| ASTM A533 Klas A Klas2 | ASTM A533 Klas B Klas2 | ASTM A533 Klas C Class2 | ASTM A533 Klas D Klas2 | ||
| ASTM A533 Klas A Klas3 | ASTM A533 Klas B Klas3 | ASTM A533 Klas C Class3 | ASTM A533 Klas D Class3 | ||
| ASTM A537/A537M | ASTM A537 Klas 1 | ASTM A537 Klas 2 | ASTM A537 Klas 3 | ||
| ASTM A612/A612M | ASTM A612 | ||||
| ASTM A662/A662M | ASTM A662 Klas A | ASTM A662 Klas B | ASTM A662 Klas C | ||
| EN | EN10028-2 | EN10028-2 P235GH | EN10028-2 P265GH | EN10028-2 P295GH | EN10028-2 P355GH |
| EN10028-2 16MO3 | |||||
| EN10028-3 | EN10028-3 P275N | EN10028-3 P275NH | EN10028-3 P275NL1 | EN10028-3 P275NL2 | |
| EN10028-3 P355N | EN10028-3 P355NH | EN10028-3 P355NL1 | EN10028-3 P355NL2 | ||
| EN10028-3 P460N | EN10028-3 P460NH | EN10028-3 P460NL1 | EN10028-3 P460NL2 | ||
| EN10028-5 | EN10028-5 P355M | EN10028-5 P355ML1 | EN10028-5 P355ML2 | EN10028-5 P420M | |
| EN10028-5 P420ML1 | EN10028-5 P420ML2 | EN10028-5 P460M | EN10028-5 P460ML1 | ||
| EN10028-5 P460ML2 | |||||
| EN10028-6 | EN10028-6 P355Q | EN10028-6 P460Q | EN10028-6 P500Q | EN10028-6 P690Q | |
| EN10028-6 P355QH | EN10028-6 P460QH | EN10028-6 P500QH | EN10028-6 P690QH | ||
| EN10028-6 P355QL1 | EN10028-6 P460QL1 | EN10028-6 P500QL1 | EN10028-6 P690QL1 | ||
| EN10028-6 P355QL2 | EN10028-6 P460QL2 | EN10028-6 P500QL2 | EN10028-6 P690QL2 | ||
| JIS | JIS G3115 | JIS G3115 SPV235 | JIS G3115 SPV315 | JIS G3115 SPV355 | JIS G3115 SPV410 |
| JIS G3115 SPV450 | JIS G3115 SPV490 | ||||
| JIS G3103 | JIS G3103 SB410 | JIS G3103 SB450 | JIS G3103 SB480 | JIS G3103 SB450M | |
| JIS G3103 SB480M | |||||
| GB | GB713 | GB713 Q245R | GB713 Q345R | GB713 Q370R | GB713 12Cr1MoVR |
| GB713 12Cr2Mo1R | GB713 13MnNiMoR | GB713 14Cr1MoR | GB713 15CrMoR | ||
| GB713 18MnMoNbR | |||||
| GB3531 | GB3531 09MnNiDR | GB3531 15MnNiDR | GB3531 16MnDR | ||
| DIN | DIN 17155 | DIN 17155 HI | DIN 17155 HII | DIN 17155 10CrMo910 | DIN 17155 13CrMo44 |
| DIN 17155 15Mo3 | DIN 17155 17Mn4 | DIN 17155 19Mn6 | |||







