Mocheso o Phahameng oa Alloy Steel Valve Castings
{{0}Mocheso o Phahameng oa Alloy Valve Castings
Tlhaloso ea Sehlahisoa
E sebetsa ka ho khetheha-ka li-valve tsa mocheso o phahameng (538℃~1200℃) bakeng sa liindasteri tsa petroleum, matla, le metallurgy. E entsoe ho latela maemo a API/ASTM/GB ka mahlale a nepahetseng a ho etsa lintho.
Mephato ya Material (Maemo a Lefatshe Lohle)
|
China GB |
ASTM |
EN |
Temp Range |
Litšobotsi |
|
ZG40Cr25Ni20 |
A297 HK |
1.4848 |
Ka tlase ho kapa ho lekana le 1150 degree |
Sepheo se akaretsang |
|
ZG40Cr30Ni20 |
A297 HT |
1.4859 |
Ka tlase ho kapa ho lekana le 1200 degree |
Litaba tse phahameng tsa Cr |
|
ZG45Ni35Cr26 |
A297 HP |
1.4852 |
Ka tlase ho kapa ho lekana le 1150 degree |
Ke-li-alloy tse ngata |
|
ZG30Cr26Ni12 |
A217 C12 |
1.4837 |
Ka tlase ho kapa ho lekana le 1000 degree |
Theko{0}e sebetsa hantle |
Letoto la Lihlahisoa
▸ Li-valve tsa Heke/Globe:
'Mele/Sekoahelo: ZG40Cr25Ni20 (ASTM A297 HK)
Diski/Setulo: ZG40Cr30Ni20Nb (Nb-ntlafaditswe)
▸ Li-valve tsa Ball/Butterfly:
'Mele: ZG45Ni35Cr26 (ASTM A297 HP)
Ball/Stem: ZG50Ni35Cr25W5 (W-matlafalitsoe)
▸ Lisebelisoa tse Khethehileng:
Li-valve tsa Hydrogenation: ZG10Cr9Mo1VNb (ASTM A182 F91)
Li-valve tsa mashala tsa gasification: ZG40Cr28Ni48W5 (Co{4}based overlay)
Melemo ea Setsebi
✔ Tshebetso e Phahameng-Mocheso:
1100℃tensile matla A maholo ho feta kapa a lekana le 60MPa
Sekhahla sa oxidation Ka tlase ho kapa ho lekana le 2g/m²·h (1000℃×100h)
Thermal mokhathala cycles E kholo ho feta kapa e lekana le 500 (1000℃↔WQ)
✔ Mokhoa o nepahetseng oa ho Lahlela:
Ho nepahala ha dimensional CT7-9
Min. botenya ba lebota 5mm
Qetello ea bokaholimo Ra12.5μm (e khonahala ho isa ho Ra3.2)
✔ Liphekolo tse Khethehileng:
Seal face plasma welding (Stellite 6/12)
Thibelo{0}ea ka hare ea ho koaheloa
HVOF ho fafatsa ka mocheso
Netefaletso ea boleng
Setifikeiti sa Lintho:
✓ Litlaleho tsa Spectrometry
✓ Liteko tse phahameng tsa mocheso
✓ Tlhahlobo ea IGC (ASTM A262)
NDT:
✓ 100% RT (EN 12517-2 Sehlopha sa B)
✓ PT (ASTM E165 Level 1)
Liteko tsa Mosebetsi:
✓ Teko ea khatello ea khase (1.5×rated)
✓{0}}Tiiso e phahameng ea mocheso (API 598)
Lisebelisoa
✓ Li-valve tsa ho hloekisa metsi
✓ Li-valve tsa ho laola liboiler tse matla haholo
✓ Li-valve tsa sebōpi se phunyeletsang ethylene
✓ Senotlolo sa mashala-li-valve tsa hopper
✓ Li-valve tsa khase ea metallurgical flue
Litšebeletso tsa Tloaelo
Tšebeliso-Moetso o Ikemetseng:
Tataiso ea khetho ea lisebelisoa
Tlhahlobo ea khatello ea mocheso
Ho nyallana ha lipara tsa tiiso
Litlhoko tse khethehileng:
Tšireletso ea hydrogen embrittlement (NACE)
Cryogenic toughness (-196 degree)
Setifikeiti sa Nyutlelie (ASME III)
Setifikeiti
✓ API 600/602/6D
✓ PED 2014/68/EU
✓ NACE MR0175/ISO 15156
✓ TA-Ho latela melao ea tsamaiso
Hlokomela:
Ntlafatso ea mohlala nakong ea libeke tse 3
Tlhahiso ea prototype ka libeke tse 6-8
Tlhōlisano ea lintho tse bonahalang
Sebakeng sa-thuso ea tekheniki e teng
LBH
P: Lihlahisoa tsa hau tsa mantlha ke life?
K: Litšepe tse sa keneleng mocheso-, litšepe tse sa hloekang, le likaroloana tsa motsoako tse ikhethileng.
P: Lihlahisoa tsa hau li sebeletsa liindasteri life?
P: Na o fana ka-karolo e iqapetsoeng?
P: Na lihlahisoa tsa hau li loketse{0}libaka tsa mocheso o phahameng?
P: Na u etsa likarolo tsa litempe tsa tšepe e sa hloekang?
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