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S31803 Annealed Duplex Seamless Steel Sheet

Basic Info

Model No.:  S31803

Product Description

Model NO.: S31803 Certification: ISO PED SGS... Technique: Cold Rolled, Cold Drawn, Hot Rolled Grade: Uns S31803(2205) Usage: Construction & Decoration, Special Purpose, Thermal Equipment, Mining, Machinery Industry, Chemical Industry, Pipeline Transport, Oil&Gas Well Drilling Trademark: ZJDP Origin: Zhejiang Province, China Type: Seamless Surface Treatment: Ap Ba 2b... Application: Chemical, Oil Gas, Boiler Tube, Paper Making Tube, Hydraulic Pipe, Gas Pipe, Chemical Fertilizer Pipe, Oil Pipe, Structure Pipe, Boiler Pipe, Drill Pipe Section Shape: Round Material: Stainless Steel Specification: O. D: 6_630mm W. T: 0.9_25mm HS Code: 73044190 Products: 
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.


Certificate:
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.



Inspector equipment:
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
 
Quality control:
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
                               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 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 
Biofuels plants
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
Flexible payment
Huge Supply Capacity Advantage, Timely and Effective Delivery.
Tolerance of 
Dimensions
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



 Products:
S31803 Annealed Duplex Seamless Steel Sheet
S31803 Annealed Duplex Seamless Steel Sheet

S31803 Annealed Duplex Seamless Steel Sheet




 

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