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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
Jiangsu Mittel Steel Industrial Limited Supply all kinds of Stainless Steel Sheet/Plate/Coil/Round ,Flat ,Angle Bar/Stainless steel Seamless pipe /welded pipe /Elbow/Flange /Galvanized Steel sheet
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Astm Stainless Steel Pipe S32205 90 Degree Elbow Pipe Fittings S31803

JIANGSU MITTEL STEEL INDUSTRIAL LIMITED
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Astm Stainless Steel Pipe S32205 90 Degree Elbow Pipe Fittings S31803

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Brand Name : TISCO,BAO STEEL

Model Number : S31803

Certification : SGS,ISO

Place of Origin : CHINA

MOQ : 1 Ton

Price : 5550 USD/Ton

Payment Terms : T/T or L/C

Supply Ability : 5000 Tons every month

Delivery Time : 5-10 days according to the quantity

Packaging Details : Export packing

Length : 6-11meter

type : seamless pipe

OD : 10-325mm

thickness : SCH10 - SCH 160

company type : factory and trading

Grade : 304,304L,310S,316L,321,904L,S32760.etc

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Duplex S31803 Elbow Pipe Fittings / Super Duplex S32205 90 degree elbow

roduct Name: Duplex S31803 Elbow Pipe Fittings / Super Duplex S32750

Size Range:
DN15-DN600 (1/2"-24") Seamless Type
DN15 - DN1200 (1/2"- 48" ) Welded type
Wall Thickness: SCH5 to SCH160
Material:
Carbon Steel: ASTM A234 WPB, WPC, ASTM A420 WPL1, WPL3, WPL6 etc
Stainless Steel: ASTM A403 WP304/304L, WP316/316/L, WP317L, WP321, WP347 & WPS31254
Alloy Steel: ASTM A234 WP1/WP12/WP11/WP22/WP5/WP7/WP9/WP91
Duplex and super duplex steel: ASTM A815 UNS S31803/S32205/S32750/S32760/S32550
Manufacture Standard:
ASME B16.9,ASME B16.11,ASME B16.28 ,MSS SP-43,JISB2311,JIS B2312,JIS B2313,DIN 2605,DIN 2606 ,DIN2615,DIN2616 ,BG12459-90,GB/T13401,HGJ514 ,SH3408 ,SH3409, HG/T21635, HG/T21631,
End Bevel: According to the standard or the customer's requirements

Surface Treatment: Shot blasted, annealed & pickling,rust-proof black oil
Non-destructive testing: penetration test, ultrasonic test, radiographic test, any third parties inspection,

Super Duplex 2507
1. MOQ: 50KGS
2. Type: Pipe Tube Bar Rod Sheet Plate Forging Fitting
3. Short Delivery
4. High Quality

Standard & Name

SUPER DUPLEX 2507

Application
  • Chemical process vessels, piping and heat exchangers
  • Pulp mill digesters, bleach washers, chip pre-steaming vessels
  • Food processing equipment
  • Oil field piping and heat exchangers
  • Flue gas desulfurization equipment
LENGTH 1-12M
TYPE Pipe Tube Bar Rod Sheet Plate Forging Fitting
MOQ 50KGS

SUPER DUPLEX 2507

UNS S32750

Forms of Super Duplex 2507 Available at Mega Mex

  • Sheet
  • Plate
  • Bar
  • Pipe & Tube (welded & seamless)
  • Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)

Duplex 2507 Overview

Duplex 2507 is a super duplex stainless steel designed for applications which demand exceptional strength and corrosion resistance. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. This high molybdenum, chromium and nitrogen content results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to chloride stress corrosion cracking.

Usage of Duplex 2507 should be limited to applications below 600° F (316° C). Extended elevated temperature exposure can reduce both the toughness and corrosion resistance of alloy 2507.

Duplex 2507 possesses excellent mechanical properties. Often a light gauge of 2507 material can be used to achieve the same design strength of a thicker nickel alloy. The resulting savings in weight can dramatically reduce the overall cost of fabrication.

Corrosion Resistance

2507 Duplex is highly resistant to uniform corrosion by organic acids such as formic and acetic acid. It is alsohighly resistant to inorganic acids, especially if they contain chlorides. Alloy 2507 is highly resistant to carbide-related intergranular corrosion. Due to the ferritic portion of the duplex structure of the alloy it is very resistant to stress corrosion cracking in warm chloride containing environments. Through additions of chromium, molybdenum and nitrogen localized corrosion such as pitting and crevice attack are improved. Alloy 2507 has excellent localized pitting resistance.

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

Astm Stainless Steel Pipe S32205 90 Degree Elbow Pipe Fittings S31803

Astm Stainless Steel Pipe S32205 90 Degree Elbow Pipe Fittings S31803


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