Tianjin, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Chemicals, Construction & Decoration, Industrial Equipment & Components, Instruments & ...
Management System Certification:
ISO 9001, ISO 9000
OEM/ODM Service
Sample Available
Japanese Speaker

Stainless Steel Plate, Stainless Steel Sheet, Steel Plate manufacturer / supplier in China, offering S31803 Annealed Duplex Seamless Steel Sheet for Boat, Welded Stainless Steel Pipe (Round Square Rectangle), Stainless Steel Sanitary Welded Pipe and so on.

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Supplier Homepage Products Stainless steel sheet/plate S31803 Annealed Duplex Seamless Steel Sheet for Boat

S31803 Annealed Duplex Seamless Steel Sheet for Boat

Get Latest Price
Min. Order / Reference FOB Price
1 Ton US $1,500-2,000/ Ton
Port: Tianjin, China
Production Capacity: 5000tons/Mouth
Payment Terms: L/C, T/T, Paypal, Money Gram
Type: Stainless Steel Sheets
Standard: ASTM, AISI, GB, JIS, DIN, BS
Certification: ISO, RoHS, IBR
Surface Treatment: 2b, BV, Hl, No.1, No.4, Mirror, Titanium Coated
Technique: Cold Rolled, Hot Rolled
Application: Mold & Dies, Ship Plate, Boiler Plate, Container Plate, Flange Plate, All Kind of Usage

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Basic Info

Model NO.: S31803
Special Use: Cutting Tools, Measuring Tools, Cutters in Common Steel, High-strength Steel Plate, Wear Resistant Steel, Silicon Steel
Stock: Stock
Thickness: Sch5s-Xxs
O.D: 1/4"-8"
Length: as Your Requirment
Size: as Your Requirment
Trade Mark: Pbtd
Trademark: TPTD
Transport Package: as Your Requirment
Specification: ASTM, AISI, En, DIN, SUS, JIS, GB
Origin: Tianjin. China
HS Code: 7219210000

Product Description

Product Description

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.

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
mechanicalTensile 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 
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 
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

Company Profile

Tianjin peng bo tongda international trade limited company is approved by tianjin government to carry out import and export trading company.Is located in the beautiful coast of the bohai sea, 70 kilometers away from tianjin port.Relying on the northern iron and steel production areas, with the domestic first-class enterprise cooperation, distribution and high quality steel products for export.Operating varieties include all kinds of steel pipe, plate, wire rod, pipe fittings and other series products.
The company insists on high quality, efficient, service customers, quality consciousness and service consciousness to carry out to each link,With high quality, competitive price, timely delivery to win the recognition and trust of many customers.
The company has a group of proficient in foreign trade, foreign language, management, storage and transportation, such as talents, Under the joint efforts of all staff, established a stable cooperation relationship with a large number of customers, products are exported to Europe, central and South America, Africa, the Middle East and other places,Trade partners all over the world more than 30 countries and regions, annual trade volume more than tens of millions of dollars.

Contact us

Tianjin pengbo tongda international trade Co.,Ltd
AddressRoom 801/901-1-4# .QingDaBoYa Yuan, Shuang Jiang Road. ShuangJie Town, BeiChen District, Tianjin China
AttnMr Shane
 If you're interested in any products, pls contact us.
Glad to receive your inquiry, thank you.

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