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BA Finish Duplex 2507 Stainless Steel Sheet for Desalination Plant Evaporators with High Pitting Resistance
BA Finish Duplex 2507 Stainless Steel Sheet for Desalination Plant Evaporators with High Pitting Resistance
BA Finish Duplex 2507 Stainless Steel Sheet for Desalination Plant Evaporators with High Pitting Resistance
BA Finish Duplex 2507 Stainless Steel Sheet for Desalination Plant Evaporators with High Pitting Resistance
Specifications
Brand Name :
TISCO, ZPSS,BAOSTEEL,LISCO,JISCO
Model Number :
200 SERIES, 300 SERIES,400 SERIES, 904l,2205,2507 etc.
Certification :
SGS,ISO,CE,BIS
Place of Origin :
China
MOQ :
1 TON
Payment Terms :
L/C,T/T,Western Union
Supply Ability :
2000Tons /Month
Delivery Time :
3~10 DAYS, Most of sizes are in stock
Packaging Details :
Export sea worthy packing with wooden pallet and well tied and protected, Or as to clients' requirements.
Standard :
ASTM A240/240M ; ASME SA-240/SA-240M; JIS G4305; DIN/BS/NF EN10028-7 ; ISO;GB/T 3280-2015
Edge :
Mill Edge; Cut Edge
Samples :
Free to Supply
Width*Length :
1000*2000;1219*2438;1219*3048; 1250*3000;1500*3000;1524*3048mm or per customized
Surface :
NO.1,2B,BA,8K,No.4,HL,SB,Embossed,Checkered, etc..
Product name :
BA Finish Duplex 2507 Stainless Steel Sheet for Desalination Plant Evaporators
Technique :
Cold Rolled or Hot Rolled
Thickness :
Cold Rolled: 0.3mm~6mm; Hot Rolled: 3mm~60mm
Grade :
2507,2205,201,304, 304L 316, 316L ,430, 410, 420, 316Ti, 321, 301, 309,309S, 310, 310S,etc.
Trade Term :
FOB,CIF,EXW,CFR,DDU,DDP,DAP
Description
BA Finish Duplex 2507 Stainless Steel Sheet for Desalination Plant Evaporators
Product Overview

Our BA (bright annealed) duplex 2507 sheets offer extreme pitting resistance (PREN >40) and smooth surface finish for high-temperature brine evaporators.

Problem Statement

Desalination evaporators using superaustenitic grades still suffer from crevice corrosion under scale deposits and high chloride levels.

Solution

Duplex 2507 provides PREN >40, higher thermal conductivity, and BA surface that reduces scale adhesion, dramatically extending tube sheet life.

Technical Specifications
Parameter Details
Grade 2507, 2205
Thickness 0.5-4mm cold rolled
Finish BA, 2B, 8K mirror
Standard ASTM A240M, JIS G4305
Applications

Desalination evaporator tube sheets, vapor ducts, and brine heaters.

How It Works

High chromium (25%), molybdenum (4%), and nitrogen form an ultra-stable passive layer. BA finish lowers surface roughness, reducing nucleate boiling sites for scale.

Selection Guidelines

Use 2507 BA for flash chambers. For less critical stages, 2205 is acceptable. Avoid 2507 above 600°F in acidic brines.

Frequently Asked Questions
Q1: Can BA finish be polished on site?
Not recommended; factory finish is best.
Q2: What is PREN of 2507?
Typically >40.
Q3: Compatible with chlorine dosing?
Yes, far better than 316L.
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BA Finish Duplex 2507 Stainless Steel Sheet for Desalination Plant Evaporators with High Pitting Resistance

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Product Detail
Brand Name :
TISCO, ZPSS,BAOSTEEL,LISCO,JISCO
Model Number :
200 SERIES, 300 SERIES,400 SERIES, 904l,2205,2507 etc.
Certification :
SGS,ISO,CE,BIS
Place of Origin :
China
MOQ :
1 TON
Payment Terms :
L/C,T/T,Western Union
Contact Supplier
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BA Finish Duplex 2507 Stainless Steel Sheet for Desalination Plant Evaporators with High Pitting Resistance
BA Finish Duplex 2507 Stainless Steel Sheet for Desalination Plant Evaporators with High Pitting Resistance

Jiangsu Hongtu Metal Technology Co.,Limited

Verified Supplier
4 Years
jiangsu, wuxi
Since 2006
Business Type :
Manufacturer, Exporter, Seller
Main Products :
Sheets Stainless Steel, Stainless Steel Coils, Aluminum Sheet
Total Annual :
15000000-20000000
Employee Number :
400~500
Certification Level :
Verified Supplier
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