GB/T 9842-2004 Specification for urea reactor

GB 9842-1988 Specifications for urea reactor

GB/T 9842-2018 Specification for urea reactor

JB 69 GB 150-1998 Steel pressure vessels GB/T 150.1-2011 Pressure vessels—Part 1:General requirements GB/T 150.1-2024 Pressure vessels—Part 1:General requirements GB/T 150.2-2011 Pressure vessels—Part 2:Materials GB/T 150.2-2024 Pressure vessels—Part 2:Materials GB/T 150.3-2011 Pressure vessels—Part 3:Design GB/T 150.3-2024 Pressure vessels—Part 3:Design GB/T 150.4-2011 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 150.4-2024 Pressure vessels—Part 4:Fabrication,inspection and testing,and acceptance GB/T 983-1995 Stainless steel covered electrodes GB/T 983-2012 Covered electrodes for manual metal arc welding of stainless and heat-resisting steels GB/T 1220-1992 Stainless steel bars GB/T 1220-2007 Stainless steel bars GB/T 4226-1984 Cold finished stainless steel bars GB/T 4226-2009 Cold finished stainless steel bar GB 13296-1991 Seamless stainless steel tubes for boiler and heat exchanger GB 13296-2007 Seamless stainless steel tubes for boiler and heat exchanger GB/T 13296-2013 Seamless stainless steel tubes for boiler and heat exchanger GB/T 13296-2023 Seamless stainless steel tubes for boiler and heat exchanger GB/T 14976-2002 Stainless steel seamless tubes for fluid transport GB/T 14976-2012 Seamless stainless steel pipes for fluid transport HG/T 3179-2023 Urea high-pressure equipment welding process qualification and welder skill evaluation HG/T 3180-2023 Urea high-pressure equipment lining plate and internal parts welding process qualification and welder skill evaluation HG/T 3172-2002 Urea high-pressure equipment manufacturing inspection methods - Sample preparation for testing the tendency of intergranular corrosion of ultra-low carbon chromium-nickel-molybdenum austenitic stainless steel with urea grade HG/T 3173-2002 Urea high-pressure equipment manufacturing inspection methods and test method for intergranular corrosion tendency of urea grade ultra-low carbon chromium-nickel-molybdenum austenitic stainless steel HG/T 3174-2002 Urea high-pressure equipment manufacturing inspection methods; Selection of Cr-Ni-Mo low-carbon austenitic stainless steel for urea grade; selective corrosion inspection and metallographic examination HG/T 3175-2002 Urea high-pressure equipment manufacturing inspection methods, ultrasonic detection of automatic stacking layer of stainless steel belt-fed welding HG/T 3176-2002 Urea high-pressure equipment manufacturing inspection methods and method for ammonia leakage test of urea high-pressure equipment HG/T 3180-2002 Welding procedure qualification and welder performance qualification of cladding and internal for high pressure urea equipments JB/T 4744-2000 Mechanical property tests of product welded test coupons for steel pressure vessels HG/T 3179-2002 Surfacing procedure qualification and welder performance qualification for high pressure urea equipment JB/T 4711-2003 Coating and packing for pressure vessels transport JB/T 4730.3-2005 Nondestructive testing of pressure equipments—Part 3:Ultrasonic testing JB/T 4730.4-2005 Nondestructive testing of pressure equipments—Part 4:Magnetic particle testing JB/T 4730.5-2005 Nondestructive testing of pressure equipments—Part 5:Penetrant testing JB/T 4730.6-2005 Nondestructive testing of pressure equipments—Part 6:Eddy current testing GB/T 14976-2025 Seamless stainless steel pipes for fluid transport GB/Z 150-2025 Guide for magnetizing behaviour of permanent magnets

荷兰stamicarbon标准