Casting Materials ntawm Valves
ASTM Cov Khoom Siv Casting
| Khoom siv | ASTM Casting SPEC | Kev pabcuam |
| Carbon Steel | ASTM A216, ASTM A216 Qib WCB | Cov ntaub ntawv tsis-corrosive suav nrog dej, roj thiab roj ntawm qhov kub ntawm -20 ° F (-30 ° C) thiab + 800 ° F (+ 425 ° C) |
| Tsawg Temp Carbon Steel | ASTM A 352 Cov Lus Qhia Tshwj Xeeb Qib LCB | Kev siv kub tsawg rau -50 ° F (-46 ° C). Tsis siv rau siab tshaj +650 ° F (+ 340 ° C). |
| Tsawg Temp Carbon Steel | ASTM A 352 Cov Lus Qhia Tshwj Xeeb Qib LC1 | Kev siv kub tsawg rau -75 ° F (-59 ° C). Tsis siv rau siab tshaj +650 ° F (+ 340 ° C). |
| Tsawg Temp Carbon Steel | ASTM A 352 Cov Lus Qhia Tshwj Xeeb Qib LC2 | Cov ntawv thov kub qis rau -100 ° F (-73 ° C). Tsis siv rau siab tshaj +650 ° F (+ 340 ° C). |
| 3 ½% npib tsib xee Hlau | ASTM A 352 Cov Lus Qhia Tshwj Xeeb Qib LC3 | Kev siv kub tsawg rau -150 ° F (-101 ° C). Tsis siv rau siab tshaj +650 ° F (+ 340 ° C). |
| 1 ¼% Chrome 1/2% Moly Steel | ASTM A 217 2 Qib WC6 | Cov ntawv thov tsis muaj corrosive suav nrog dej, roj thiab roj ntawm qhov kub ntawm -20 ° F (-30 ° C) thiab + 1100 ° F (+ 593 ° C). |
| 2 ¼% Chrome | ASTM A 217 2 Qib C9 | Cov ntawv thov tsis muaj corrosive suav nrog dej, roj thiab roj ntawm qhov kub ntawm -20 ° F (-30 ° C) thiab + 1100 ° F (+ 593 ° C). |
| 5% Chrome 1/2% Moly | ASTM A 217 2 Qib C5 | Kev siv me me corrosive lossis erosive nrog rau cov ntawv thov tsis muaj corrosive ntawm qhov kub ntawm -20 ° F (-30 ° C) thiab + 1200 ° F (+ 649 ° C). |
| 9% Chrome 1% Moly | ASTM A 217 2 Qib C12 | Kev siv me me corrosive lossis erosive nrog rau cov ntawv thov tsis muaj corrosive ntawm qhov kub ntawm -20 ° F (-30 ° C) thiab + 1200 ° F (+ 649 ° C). |
| 12% Chrome Hlau | ASTM A487 Cov Khoom Siv Hluav Taws Xob Qib CA6NM | Corrosive daim ntawv thov ntawm qhov kub ntawm -20 ° F (-30 ° C) thiab + 900 ° F (+ 482 ° C). |
| 12% Chrome | ASTM A 217 2 Qib CA15 | Corrosive daim ntawv thov ntawm kub txog +1300 ° F (+704 ° C) |
| 316 SS | ASTM A 351 Cov Lus Qhia Tshwj Xeeb Qib CF8M | Corrosive los yog tsis tshua muaj kub los yog kub tsis-corrosive kev pab cuam ntawm -450 ° F (-268 ° C) thiab + 1200 ° F (+ 649 ° C). Tshaj +800 ° F (+ 425 ° C) qhia cov ntsiab lus carbon ntawm 0.04% lossis ntau dua. |
| 347 ss ib | ASTM 351, UAS 351 Qib CF8C | Feem ntau rau qhov kub thiab txias, corrosive daim ntaub ntawv ntawm -450 ° F (-268 ° C) thiab + 1200 ° F (+ 649 ° C). Tshaj +1000 ° F (+ 540 ° C) qhia cov ntsiab lus carbon ntawm 0.04% lossis ntau dua. |
| 304 SWB | ASTM A 351 Cov Lus Qhia Tshwj Xeeb Qib CF8 | Corrosive los yog kub heev uas tsis yog-corrosive kev pab cuam ntawm -450 ° F (-268 ° C) thiab + 1200 ° F (+ 649 ° C). Tshaj +800 ° F (+ 425 ° C) qhia cov ntsiab lus carbon ntawm 0.04% lossis ntau dua. |
| 30 4l swv | ASTM A 351 Cov Lus Qhia Tshwj Xeeb Qib CF3 | Corrosive los yog tsis-corrosive kev pab cuam mus rau +800F (+425 ° C). |
| 316L SS AW | ASTM A 351 Cov Lus Qhia Tshwj Xeeb Qib CF3M | Corrosive los yog tsis-corrosive kev pab cuam mus rau +800F (+425 ° C). |
| Alloy-20 | ASTM A 351 Cov Lus Qhia Tshwj Xeeb Qib CN7M | Zoo tiv taus kub sulfuric acid rau +800F (+425 ° C). |
| Monel | ASTM 743 1.2 TSI Qib M3-35-1 | Weldable qib. Zoo tiv thaiv corrosion los ntawm tag nrho cov organic acids thiab ntsev dej. Kuj tseem tiv taus ntau cov tshuaj alkaline rau +750 ° F (+ 400 ° C). |
| Hastelloy B | ASTM A743 Cov Lus Qhia Tshwj Xeeb Qib N-12M | Zoo haum rau tuav hydrofluoric acid ntawm tag nrho cov concentrations thiab kub. Kev tiv thaiv zoo rau sulfuric thiab phosphoric acids rau + 1200 ° F (+ 649 ° C). |
| Hastelloy C | ASTM A743 Cov Lus Qhia Tshwj Xeeb Qib CW-12M | Zoo tsis kam rau span oxidation tej yam kev mob. Cov khoom zoo ntawm qhov kub thiab txias. Kev tiv thaiv zoo rau sulfuric thiab phosphoric acids rau + 1200 ° F (+ 649 ° C). |
| Inconel | ASTM A743 Cov Lus Qhia Tshwj Xeeb Qib CY-40 | Zoo heev rau kev pabcuam kub. Kev tiv thaiv zoo rau spanly corrosive media thiab cua mus rau +800 ° F (+ 425 ° C). |
| Bronze | ASTM B62 | Dej, roj lossis roj: mus txog 400 ° F. Zoo heev rau kev pabcuam brine thiab seawater. |
| Khoom siv | ASTM Casting SPEC | Kev pabcuam |
Post lub sij hawm: Sep-21-2020