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Service temperature is defined in 54.25-10(a)(2). ( b ) Materials for pressure vessels with service temperatures below −320 °F. shall be of the stabilized or low carbon (less than 0.10 percent) austenitic stainless steel type, produced according to the applicable specifications of table UHA-23 of section VIII of the ASME Boiler and Pressure Vessel Code.
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(25) A48 Gray Cast Iron Casings Class No. 25 F11701 GC200/FC200 D4301/G5501 - GG20 1691 0.6020 - A53 10CrMo 9 10 17175 1.7380 - A203 Nickel Steel Boiler Plate Grade D K31718 SL3N 225/SL3N 225 D3586/G3127 - 10Ni 14 - 1.5637 WBL-680(3a)
1.4.3 Emissions3-4 The emissions from natural gas-fired boilers and furnaces include nitrogen oxides (NOx), carbon monoxide (CO), and carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), volatile organic compounds (VOCs), trace amounts of sulfur
ORNL/TM-2004/144 GUIDE TO COMBINED HEAT AND POWER SYSTEMS FOR BOILER OWNERS AND OPERATORS C. B. Oland July 30, 2004 Prepared for the U.S. Department of Energy Industrial Technologies Program Prepared by OAK RIDGE