{{0 {{}}} ** Dab tsi yog sa213 cov khoom siv? **
* ** SAU ASME BOILER THIAB SIAB RAU COV NEEG UA HAUJ LWM ZOO nyob rau hauv lub hwj chim tiam boilers, cov hlab ntsha siab, thiab kev hloov pauv kub {}}
{{0 {}}}}}}}}}}} Koj muaj pes tsawg leeg ** Dab tsi yog cov lus sib xyaw ntawm Astm A213 T91? **
* Astm A213 T91 (tseem sa213 T91) yog lub siab-zog ferritic alloy steel {
* ** PARBON (c): ** 0.08 - 0.12%
* ** MANGANUSE (MN): ** 0.30 - 0.60%
* ** phosphorus (p): ** 0.020% Max
* ** SULFURRUR (S): ** 0.010% Max
* ** silicon (si): ** 0.20 - 0.50%
* ** chromium (CR): ** 8.00 - 9.50%
* ** Molybdenum (mo): ** 0.85 - 1.05%
* ** VANADIUM (V): ** 0.18 - 0.25%
* ** NITROGEN (n): ** 0.030 - 0.070%
* ** Niobium (NB): ** 0.06 - 0.10%
* ** ALUMINIUM (AL): ** 0.02% Max
* ** Nickel (NI): ** 0.40% Max
* ** HLAU (FE): ** Seem
{{03.}} ** Dab tsi yog qhov txawv ntawm Astm A213 thiab A269? **
* Ob tus qauv npog stainless hlau leeg, tab sis lawv cov nyiaj thiab thawj daim ntawv thov sib txawv loj:
* ** ASTM A213 / A213M: ** Cov kev pab hloov hluav taws xob tshwj xeeb ** (kub siab
* ** ASTM A269 / A269M: ** Daim ntawv siv hluav taws xob, cov pa roj av, cov xaim hluav taws xob, cov roj av tsis duav boiler / superheater tubes . Welded leeg yog muaj nyob rau hauv 269.
{{0 {}}}}}}}}} Koj muaj pes tsawg leej muaj pes tsawg leej muaj pes tsawg leej muaj pes tsawg leej
* Sa213
* ** PARBON (c): ** 0.07 - 0.13%
* ** MANGANUSE (MN): ** 0.30 - 0.60%
* ** phosphorus (p): ** 0.020% Max
* ** SULFURRUR (S): ** 0.010% Max
* ** silicon (si): ** 0.50% Max
* ** chromium (CR): ** 8.50 - 9.50%
* ** Molybdenum (mo): ** 0.30 - 0.60%
* ** VANADIUM (V): ** 0.15 - 0.25%
* ** Tungsten (W): ** {1.50 - 2.00% (tseem ceeb sib txawv los ntawm T91)
* ** NITROGEN (n): ** 0.030 - 0.070%
* ** Niobium (NB): ** 0.04 - 0.09%
* ** ALUMINIUM (AL): ** 0.02% Max
* ** BORON (B): ** 0.001 - 0.006% (ntxiv ntxiv)
* ** Nickel (NI): ** 0.40% Max
* ** HLAU (FE): ** Seem
{{0 {{}}} ** Dab tsi yog sa213 T12 khoom? **
* Sa213 T12 (zoo ib yam rau ASTM A213 T12) yog cov chromium-molybdenum ib txwm siv rau boiler thiab nyhav li%) yog:
* ** PARBON (c): ** 0.05 - 0.15%
* ** MANGANUSE (MN): ** 0.30 - 0.61%
* ** phosphorus (p): ** 0.025% max
* ** SULFURRUR (S): ** 0.025% Max
* ** silicon (si): ** 0.50% max (min 0.10% rau tua cov hlau)
* ** chromium (CR): ** 0.80 - 1.25%
* ** Molybdenum (mo): ** 0.44 - 0.65%
* ** HLAU (FE): ** Seem
