Grades UNS No. composition usage
Gr1 Grade1 pure titanium aviation,plate heat exchanger,wave type compensator,seawater desinlization,desulfuration,denitration,chemical equipments
Gr2 Grade2 pure titanium aviation,plate heat exchanger,wave type compensator,seawater desinlization,desulfuration,denitration,chemical equipments
GR7 Grade7 unalloyed titanium aviation,plate heat exchanger,wave type compensator,seawater desinlization,desulfuration,denitration,chemical equipments
GR16 Grade16 unalloyed titanium aviation,plate heat exchanger,wave type compensator,seawater desinlization,desulfuration,denitration,chemical equipments
G12 Grade12 titanium alloy aviation,plate heat exchanger,wave type compensator,seawater desinlization,desulfuration,denitration,chemical equipments
MONEL 400 N04400 65Ni-32Cu-1Fe aviation,plate heat exchanger,wave type compensator,seawater desinlization,desulfuration,denitration,chemical equipments
gasoline and water tank
INCOLOY 800 N08800 32Ni-20Cr-Ti,Al aviation,plate heat exchanger,wave type compensator,seawater desinlization,desulfuration,denitration,chemical equipments
904L N08904 20Cr-24Ni-4.3Mo-1.5Cu aviation,plate heat exchanger,wave type compensator,seawater desinlization,desulfuration,denitration,chemical equipments
C-276 N10276 59Ni-15Cr- heat exchanger, wave type tubes conpensator,chemical equipment,flue gas desulfurization,papermaking, acid environment
16Mo-4W-5Fe acid reactor,washing tower in FGD system,sulfuric acid condensor,ferric trichloride, copper chloride
　 strong oxidizing agent like pollusion solutio,formic acid, acetic oxide,seawater and salline environment
304 S30400  18Cr-8Ni   most widely used ss, with heat-resistence, e.x. food industry, general chemical process,nuclear energy
304L S30403 18Cr-9Ni-low C  low c ss,good anti intergranular corrosion, usde for
316 S31600 18Cr-12Ni-2.5Mo corrosion resistance to seawater and all kinds of corrosive medium better than 304,used as material of resistance of pitting corrosion
316L S31603 18Cr-12Ni-2.5Mo-lowC very low carbon steel 316L, is 316 steel plus a resistanc of intergranular corrosion
317 S31700 18Cr-12Ni-3.5Mo resistanc of intergranular corrosion better than 316, used for painting and dyeing material
317L S31703 18Cr-12Ni-3.5Mo-lowC very low carbon 317 steel with resistanc of intergranular corrosion
310S S31008 25Cr-20Ni better resistance of oxidation than309S,used for heat resistance steel
321 S32100 18Cr-9Ni-Ti with improving resistance of intergranular corrosion because Ti content, donot recommend this material used for decoration material
2205 S32205 22Cr-5Ni-3Mo-N-lowC contain used for oil tubes, chemical product's transport in corrosion environment with hydrothion, Co2, Chloride
all kinds of chemical equipments。
2507 S32507 25Cr-7Ni- seaon oil platform (heat exchanger, water treatment,feedwater system,extinguish systerm, waterinjection systerm, stable water system)
4Mo-N-lowC high pressure tubes, seawater tube used in desalination equipment and other special chemical environments, oil pipelines
　 other chemical enquipments
254SMo S31254 20Cr-18Ni-6Mo- aviation,plate heat exchanger,wave type compensator,seawater desinlization,desulfuration,denitration,chemical equipments
0.8Cu-0.2N other chemical equipments

Reference Lists

 

Titanium tubes Gr2.

Haibin turbine Co., Ltd

Shajiao Power Station of Guangdong Yudean Group Co., Ltd.

Qinshan Nuclear Power Company limited

Nichel alloy C276

Stainless steel tubes

American Crown Edible Oils Eng. Co., Ltd.

 

 

CDM Technical documents