• Model NO.：WAN571
• Surface Treatment：Pickling
• Od：60mm
• Wt：3.9
• Payment Term：LC,Tt
• Tolerance：+,-0.05mm
• Name：Duplex Seamless Steel Tube
• Keyword：Stainless Steel Pipe Schedule 40
• Keyword 2：Duplex Steel Pipe
• Transport Package：in Plywood Box or Customer′s Requirement.
• Specification：6-530mm
• Trademark：kingmetal
• Origin：China
• HS Code：73070000
• Production Capacity：10000 Ton,Month

OD(6mm-530mm ) x WT(SCH10s-SCH160s) x L(13m max)Material Grade304,304L,316,316L,321,347,317L,310S,201,202,409,410 ,S32750 S32760,F53 etcStandardASTM A312, A269,A249,A270,A554,A269, A815 etc


Description

 
Surface FinishTreatment : Annealing and Pickling, Matt Finish or Satin Finish

Mirror Finish, Wire Drawing or Hairline Finish

Roughness Average : 0.1~0.2μm Outside, 0.3~0.4μm Inside.Ends FinishPlain Ends or Beveled EndTestEddy Current/ Hydrostatic/ Ultrasonic/ Intergranular Corrosion

Or according to customers' request
What are the characteristics of Duplex 2507?
High resistance to chloride stress corrosion cracking
High Strength
Superior resistance to chloride pitting and crevice corrosion
Good general corrosion resistance
Suggested for applications up to 600° F
Low rate of thermal expansion
Combination of properties given by austenitic and ferritic structure
Good weldability and workability
                                      Chemical Composition, %

Cr	Ni	Mo	C	N	Mn
24.0-26.0	6.0-8.0	3.0-5.0	0.030 Max	.24-.32	1.20 Max
Si	Cu	P	S	Fe
0.80 Max	0.50 Max	0.035 Max	0.020 Max	Balance

In what applications is Duplex 2507 used?
Desalination Equipment
Chemical process pressure vessels, piping and heat exchangers
Marine Applications
Flue Gas Scrubbing Equipment
Pulp & Paper Mill Equipment
Offshore Oil production/technology
Oil and gas industry equipment
                                         ASTM Specifications

Pipe Smls	Pipe Welded	Tube Smls	Tube Welded	Sheet/Plate	Bar	Flanges & Fittings
A790	A790	A789	A789	A240	A276	A182

Mechanical Properties
                             Specified Tensile Properties, Plate ASTM A240

Ultimate Tensile Strength, ksi Minimum	.2% Yield Strength, ksi Minimum	% Elongation Min.
116	80	15	310

GUANGZHOU KINGMETAL STEEL INDUSTRY CO., LTD. is an Industry Group Company. It is a professional company in designing, producing and selling steel pipe, pipe fittings, flanges, valves . We have our own big factories with modern machine line to make high quality products, which is mainly to be exported to oversea markets.

We are pure-hearted and awaiting for your kind attention to our company...