Model No.: S31803
we are professinal in producing Stainless Steel Seamless Pipe and welded pipe, and we also supply other stainless steel products: stainless steel fitting, flange, plate, coil, bar, and others.
ISO9001-2000 , PED, SGS and the Manufacture License of Special Equipment People's Republic of China.
Production capacity :
The company's annual production capacity is 15000 tons stainless steel welded pipe, and 8000 Tons seamless Stainless Steel Pipe.
The company has a professional testing center, with advanced testing equipment at home and abroad: eddy current flaw detector, ultrasonic flaw detector, direct-reading spectrometer , X-ray detector ,pressure unit, universal pressure test apparatus, and crystal physics and chemistry equipment. In strict line with GB, ASTM(ASME),EN,DIN,JIS and other international standards pipe respectively
We have technical workers and Inspectors, and a complete Test Equipment, we sill supply MTC for every order, and if the order exceed US$100,000, we will provide a free third party Inspection for our customers..
Specification for S31803 Annealed Duplex Seamless Steel Sheet:
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 0.08-0.20
|mechanical||Tensile 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 30
|Heat Treatment:|| Temperature Quench |
1850-2050°F Rapid coll in air or water
|Mechanical Tests requirement:||Tension Test,Flaring Test, Flange Test,Hardness Test,Reverse Flattening Test,Hydrostatic or Nondestructive Electric Test.|
(According to ANSI B36.19)
Length:6 Meters or as your requirement
|Features:||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 steels
|Application:||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
|Advantage:||Advanced production and inspection equipment |
Good quality control system and service system
Full experienced in export business in stainless steel
Convenient location for transport
Huge Supply Capacity Advantage, Timely and Effective Delivery.
|Tolerance of |
|Outerside 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
Contact us if you need more details on Stainless Steel Plate. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Corrosion Resistant Plate、Stainless Steel Strip. If these products fail to match your need, please contact us and we would like to provide relevant information.
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