• Model NO.：S31803
• Special Use：Cutters in Common Steel, High-strength Steel Plate, Wear Resistant Steel
• Grade：Uns S31803(2205)
• Section Shape：Round
• Material：Stainless Steel
• Transport Package：Plastic Bags, Plywood Cases, Woven Bags...
• Specification：O. D: 6_630mm W. T: 0.9_25mm
• Trademark：ZJDP
• Origin：Zhejiang Province, China
• HS Code：73044190
• Production Capacity：23000 Ton,Year

chemical composition %C                  Mn              P                   S                  Si                Cr                  Ni              Mo              N
0.03 max    2.00 max   0.030 max   0.020 max 1.00 max   21.0-23.0     4.5-6.5     2.5-3.5       0.08-0.20mechanicalTensile Strength         Yield Strength           Elongation                     Hardness 
min Kis                          min Kis                     in 2 in. or 5 mm             max           
Mpa                                 Mpa                           min %                              HRB   HRC        
620                                 450                             25                                    290     30Heat Treatment:                               Temperature                                       Quench
                               1850-2050°F                                       Rapid coll in air or water
                               1010-1120°C                     Mechanical Tests requirement:Tension Test,Flaring Test, Flange Test,Hardness Test,Reverse Flattening Test,Hydrostatic or Nondestructive Electric Test.Size:
(According to ANSI B36.19)OD:1/4"-8"
W.T:Sch5S-xxs
Length:6 Meters or as your requirementFeatures:Higher strength than austenitic stainless steels
Excellent general corrosion resistance in a wide variety of corrosive chemicals including seawater and industrial acids
Excellent resistance to localised corrosion including intergranular, pitting and crevice corrosion
Excellent resistance to stress corrosion cracking
Good sulphide stress corrosion resistance
High resistance to abrasion, erosion and cavitation erosion
Lower thermal expansion and higher heat conductivity than austenitic stainless steelsApplication:Chemical processing, transport and storage - pressure vessels, tanks, piping, and heat exchangers 
Oil and gas exploration and processing equipment - piping, tubing, and heat exchangers 
Marine and other high chloride environments 
Effluent scrubbing systems 
Pulp and paper industry - digesters, bleaching equipment, and stock-handling systems 
Cargo tanks for ships and trucks 
Food processing equipment 
Biofuels plantsAdvantage:Advanced production and inspection equipment
Good quality control system and service system
Full experienced in export business in stainless steel
Convenient location for transport
Flexible payment
Huge Supply Capacity Advantage, Timely and Effective Delivery.Tolerance of 
DimensionsOuterside Diameter       Tolerance of Outerside   Toleerance of Wall
in[mm]                   Diameter,in[mm]           Thickness,%
1/4-1/2[6.35-12.7]         ±0.005[0.13]                 ±15
1/2-1 1/2[12.7-38.1]       ±0.005[0.13]                 ±10
1 1/2-3 1/[38.1-88.9]       ±0.010[0.25]                 ±10
3 1/2-5 1/2[88.9-139.7]     ±0.015[0.38]                 ±10
5 1/2- 8[139.7-203.2]       ±0.030[0.76]                 ±10


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