Products:2205 stainless steel pipe/S31803 Stainless Steel Process: Seamless,Website:://.xf-stainless-steel.com,welded,annealed,hardened,heat  treated and cold  treatedType:Round,Square,Rectangular Standard: ASTM A213,ASTM A312,ASTM A49,ASTM A269,etc. OD:10-600mm  Thickness: 0.3-12mmLength:1-6m Surface treatment:No.1,2B,BA,No.4,HL,mirror polish,etc. Application: 1.General industries:chemical processing,oil and gas,pharmaceutical2.Petrochemical equipment,super heater,heat exchanger3.Fluid, gas and oil transport,sea water cooling devices4.Pressure and heat transmission5.Acid and fertilizer production equipment, pulp and paper processing, seawater cooling facilities Chemical Analysis: Cr:21.0-23.0%  Ni:4.5-6.5%   Mo:2.5-3.5%      C≤0.03%   SI≤1.0%                   N:0.08-0.20%       Mn≤2%          P≤0.03%         S≤0.02%                                                                                                       Mechanical Capacity: TS≥620N/mm2       YS≥450N/mm2           Elongation≥25% Hardness:290HB,30.5HRC