ASTM A302 / A302M specification npog manganese-molybdenum thiab manganese-molybdenum-nickel alloy steel daim hlau npaj tshwj xeeb rau welded boilers thiab lwm cov hlab ntsha siab. ASTM A302 yog ib hom qis alloy steel specification npog 4 qib sib txawv (A, B, C, D), Qib C thiab D.
ASTM A302 / A302M Gr A / B / C / D Alloy Boiler Phaj yog tsim rau lub nkoj siab, Boiler, Cia Tank thiab Kub Exchanger hauv Roj, Gas Project.
ASTM A302 Tshuaj muaj pes tsawg leeg:
| ASTM A302 Tshuaj muaj pes tsawg leeg | |||||||
|---|---|---|---|---|---|---|---|
| Qib Steel | Cov ntsiab lus Max (%) | ||||||
| C | Si | Mn | P | S | Mo | Ni | |
| A302 Qib A | 0.20-0.25 | 0.13–0.45 | 0.87–1.41 | 0,035 | 0,035 | 0.41–0.64 | |
| A302 Qib B | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | |
| A302 Qib C | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | 0.37-0.73 |
| A302 Qib D | 0.20-0.25 | 0.13-0.45 | 1.07-1.62 | 0.035 | 0.035 | 0.41-0.64 | 0.67-1.03 |
ASTM A302 Cov Khoom Siv Hluav Taws Xob:
| Qib Steel | ASTM A302 Mechanical Property | |||
|---|---|---|---|---|
| Thickness | Yield | Tensile | Elongation | |
| A302 Qib A | mm | Min Mpa | Mpa | Tsawg% |
| 6-50 | 310 | 515-655 | 19% | |
| 50-200 | 310 | 515-655 | 15% | |
| A302 Qib B | 6-50 | 345mpa ua | 550-690 Mpa | 18% |
| 50-200 | 345mpa ua | 550-690 Mpa | 15% | |
| A302 Qib C | 6-50 | 50 [345] | 80-100kis [550-690]Mpa | 17% |
| 50-200 | 20% | |||
GNEE STEEL yog cov chaw tsim khoom thiab xa tawm ntawm ASTM A302 / A302M Gr A / B / C / D Alloy Boiler Phaj, tshaj 500 lub teb chaws.
1.Q: Koj puas yog lub Hoobkas lossis tuam txhab lag luam?
A: Peb yog lub Hoobkas tsim khoom. Thiab koj zoo siab tos txais tuaj xyuas peb. Kev tswj xyuas zoo yuav qhia koj txog peb cov kws tshaj lij. Tsis tas li ntawd koj yuav txaus siab rau tus nqi zoo tshaj plaws thiab tus nqi sib tw.
2.Q: Koj lub sijhawm xa khoom ntev npaum li cas?
A: Feem ntau nws nyob hauv 2-30 hnub.
3.Q: Koj tuaj yeem lav qhov zoo ntawm cov khoom li cas?
A: Kev tswj cov khoom nruj me ntsis, kev ua tau zoo ua rau yav tom ntej.Qhov no yog lub ntsiab lus ntawm peb lub Hoobkas. Txhua yam khoom los ntawm peb lub Hoobkas muaj cov txheej txheem kuaj nruj, thiab yuav tsum yog 100% zoo ua ntej xa khoom.
4.Q: Koj tuaj yeem yuav cov phaj siab ntawm peb li cas?
A:
|
GB |
Q245R,Q345R,Q370R,Q420R,18MnMoNbR,13MnNiMoR,15CrMoR,14Cr1MoR,12Cr2Mo1R,12Cr1MoVR,12Cr2Mo1VR,07Cr2AlMoR |
|
EN |
P265GH, P295GH, P275NH, P355GH, P355NH, P355NL, P460NH |
|
ASME |
SA515Gr60/65/70,SA516Gr60/65/70,SA285GrC,A537CL,SA662GrC,SA299A/B,SA203E/D |
|
JIS |
SB 410, SPV355, SB450 |
|
DIN |
19Mn6,15Mo3 |
5.Q: Kuv puas tuaj yeem tau txais qee qhov qauv?
A: Peb zoo siab los muab cov qauv dawb rau koj, tab sis peb tsis muab cov khoom thauj.
Cim npe nrov: Tuam Tshoj astm a302/a302m gr a/b/c/d alloy boiler phaj, Tuam Tshoj astm a302/a302m gr a/b/c/d alloy boiler phaj manufacturers, lwm tus neeg, Hoobkas