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Huzhou Dapu Stainless Steel Co., Ltd.

Stainless Steel Welded Tube 316, Stainless Steel Welded Pipe, S31803 manufacturer / supplier in China, offering Manufacturer ASTM S31803 Welded Stainless Steel Pipe, Stainless 304 Bright Annealing Tread Sheet, 904L Heat Exchanger Tube and so on.

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Manufacturer ASTM S31803 Welded Stainless Steel Pipe

FOB Price: US $3,000 / Ton
Min. Order: 1 Ton
Min. Order FOB Price
1 Ton US $3,000/ Ton
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Port: Shanghai, China
Production Capacity: 15000ton/Year
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: S31803
  • Standard: ASTM, AISI, GB, JIS, DIN, EN
  • Certification: ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
  • Technique: Cold Rolled
  • Outside Diameter: 4mm - 914.4mm;8mm-630mm
  • Length: 5.8-6.1 M or as Customers′ Request
  • Trademark: ZJDP
  • Origin: Zhejiang, China
  • Type: Stainless Steel Pipes
  • Grade: 300 Series
  • Shape: Round
  • Surface Treatment: Plished, Annealed and Pickled
  • Wall Thickness: 0.6mm - 30mm;0.5mm-45mm
  • Inspection: Dekra,TUV
  • Transport Package: Woven Bags, Plastic Bags, Cap Ends, Plywood Cases
Product Description
ASTM A789 Stainless Steel Pipe S31803
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

we are specialized in producing stainless steel welded pipes and stainless steel seamless pipe, also we provide other products: stainless steel fitting, flange, plate, bars, and others..

Production Cpacity:
The annual production capacity is 15000 tons stainless steel welded pipe, and8000 Tons seamless stainless steel.

Seamless Pipe:6mm*0.6mm--610mm*30mm
Welded Pipe :single slit(Φ8mm*0.5mm-Φ630mm*25mm); girth(Φ630mm*3mm-Φ3000mm*45mm),

TP 304, 304L, 304H, 309S, 310S, 316, 316L, 316Ti, 316N, 321, 321H, 347H, UNS S31803, UNS S32205, UNS S32750, UNS S32760, 904L, 1, 4301, 1.4306, 1.4307, 1.4401, 1.4404, 1.4541.1.4571, and any more

Quality control:
The products from raw material, semi-finished products to finished, we have strict inspection system to test for ensuring the first class quality, and all processes will be carried out according to ISO 9001: 2008.
Also we provide MTC for every order, and if the order exceed US$ 100,000, we will provide a free third-party-Inspection for you.

Manufacturer ASTM S31803 Welded Stainless Steel Pipe
Manufacturer ASTM S31803 Welded Stainless Steel Pipe
Manufacturer ASTM S31803 Welded Stainless Steel Pipe
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