Ihe nkedo nke Valves
Ngwa nkedo ASTM
| Ihe onwunwe | ASTM Nkedo SPEC | Ọrụ |
| Carbon ígwè | ASTM A216 Ọnụahịa kasị elu nke WCB | Ngwa anaghị emebi emebi gụnyere mmiri, mmanụ na gas na okpomọkụ n'etiti -20°F (-30°C) na +800°F (+425°C) |
| Obere okpomọkụ Carbon ígwè | ASTM A352 Ọnụ ego LCB | Ngwa okpomọkụ dị ala ruo -50°F (-46°C). Ọ bụghị maka ojiji karịa +650°F (+340°C). |
| Obere okpomọkụ Carbon ígwè | ASTM A352 Ọkwa LC1 | Ngwa okpomọkụ dị ala ruo -75°F (-59°C). Ọ bụghị maka ojiji karịa +650°F (+340°C). |
| Obere okpomọkụ Carbon ígwè | ASTM A352 Ọkwa LC2 | Ngwa okpomọkụ dị ala ruo -100°F (-73°C). Ọ bụghị maka ojiji karịa +650°F (+340°C). |
| 3½% nickel Igwe igwe | ASTM A352 Ọnụahịa kasị elu nke LC3 | Ngwa okpomọkụ dị ala ruo -150°F (-101°C). Ọ bụghị maka ojiji karịa +650°F (+340°C). |
| 1¼% Chrome 1/2% Moly Steel | ASTM A217 Ọnụ ego WC6 | Ngwa anaghị emebi emebi gụnyere mmiri, mmanụ na gas na okpomọkụ n'etiti -20°F (-30°C) na +1100°F (+593°C). |
| 2¼% Chrome | ASTM A217 Ọkwa C9 | Ngwa anaghị emebi emebi gụnyere mmiri, mmanụ na gas na okpomọkụ n'etiti -20°F (-30°C) na +1100°F (+593°C). |
| 5% Chrome 1/2% moly | ASTM A217 Ọkwa C5 | Ngwa dị nro na-emebi emebi ma ọ bụ nke na-emebi emebi yana ngwa anaghị emebi emebi na okpomọkụ n'etiti -20°F (-30°C) na +1200°F (+649°C). |
| 9% Chrome 1% nke Moly | ASTM A217 Ọkwa C12 | Ngwa dị nro na-emebi emebi ma ọ bụ nke na-emebi emebi yana ngwa anaghị emebi emebi na okpomọkụ n'etiti -20°F (-30°C) na +1200°F (+649°C). |
| 12% Chrome Igwe igwe | ASTM A487 Ọkwa CA6NM | Ngwa na-emebi emebi na okpomọkụ n'etiti -20°F (-30°C) na +900°F (+482°C). |
| 12% Chrome | ASTM A217 Ọkwa CA15 | Ngwa na-emebi emebi na okpomọkụ ruru +1300°F (+704°C) |
| 316SS | ASTM A351 Ọkwa CF8M | Ọrụ na-emebi emebi ma ọ bụ nke dị oke ala ma ọ bụ nke dị elu na-anaghị emebi emebi n'etiti -450°F (-268°C) na +1200°F (+649°C). N'elu +800°F (+425°C) kọwapụta ọdịnaya carbon nke 0.04% ma ọ bụ karịa. |
| 347SS | ASTM 351 Ọkwa CF8C | Nke kachasị maka oke okpomọkụ, ngwa na-emebi emebi n'etiti -450°F (-268°C) na +1200°F (+649°C). N'elu +1000°F (+540°C) kọwapụta ọdịnaya carbon nke 0.04% ma ọ bụ karịa. |
| 304SS | ASTM A351 Ọkwa CF8 | Ọrụ na-emebi emebi ma ọ bụ oke oke okpomọkụ anaghị emebi emebi n'etiti -450°F (-268°C) na +1200°F (+649°C). N'elu +800°F (+425°C) kọwapụta ọdịnaya carbon nke 0.04% ma ọ bụ karịa. |
| 304L SS | ASTM A351 Ọnụahịa kasị elu nke CF3 | Ọrụ na-emebi emebi ma ọ bụ nke anaghị emebi emebi ruo +800F (+425°C). |
| 316L SS | ASTM A351 Ọkwa CF3M | Ọrụ na-emebi emebi ma ọ bụ nke anaghị emebi emebi ruo +800F (+425°C). |
| Alloy-20 | ASTM A351 Ọkwa CN7M | Ezigbo iguzogide sulfuric acid dị ọkụ ruo +800F (+425°C). |
| Ego | ASTM 743 Ọkwa M3-35-1 | Ọkwa weldable. Ezigbo iguzogide corrosion site na organic acid niile na mmiri nnu. Ọzọkwa na-eguzogide ọgwụ na ọtụtụ alkaline ngwọta ruo +750°F (+400°C). |
| Hastelloy B | ASTM A743 Ọkwa N-12M | Kwesịrị ekwesị maka ijikwa hydrofluoric acid na mkpokọta na okpomọkụ niile. Ezigbo iguzogide sọlfọ na phosphoric acid ruo +1200°F (+649°C). |
| Hastelloy C | ASTM A743 Ọkwa CW-12M | Ezigbo iguzogide ọnọdụ oxidation span. Njirimara dị mma na okpomọkụ dị elu. Ezigbo iguzogide sọlfọ na phosphoric acid ruo +1200°F (+649°C). |
| Inconel | ASTM A743 Ọkwa CY-40 | Ọ dị mma maka ọrụ okpomọkụ dị elu. Ezigbo iguzogide mgbasa ozi na-emebi emebi na ikuku ruo +800°F (+425°C). |
| Ọla | ASTM B62 | Mmiri, mmanụ ma ọ bụ gas: ruo 400ºF. Ọ dị mma maka ọrụ brine na mmiri mmiri. |
| Ihe onwunwe | ASTM Nkedo SPEC | Ọrụ |
Oge nzipu: Sep-21-2020