Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate

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  • Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate
  • Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate
  • Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate
  • Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate
  • Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate
  • Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate
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Overview

Basic Info.

Type
Steel Plate
Standard
ASTM, AISI, GB, JIS, DIN
Certification
ISO
Technique
Cold Rolled
Stock
in Stock
Key Words
Al-6xn Sheet
Width
1000mm - 2000mm
Thickness
3.0mm - 300mm
Length
as Your Requirments
Diameter Tolerance
H9, H11, H13, K9, K11, K13 etc
Sample
Free-Sample
Surface
Lack, Peeled, Polishing, Bright, Sand Blast, Hl
MOQ
100kgs
Transport Package
Wooden Package
Specification
AL-6XN plate
Trademark
LORK
Origin
China
HS Code
7219350000
Production Capacity
50000kg/Month

Product Description

Product Description

 

Introduction

AL-6XN (UNS N08367) is a 6% molybdenum (6 Moly), low carbon, nitrogen-bearing super-austenitic stainless alloy. The alloy was originally designed for seawater applications. AL-6XN has also been successfully used in a broad range of very corrosive environments including the rapidly developing biopharm markets.
 

The high strength and corrosion resistance of the AL-6XN alloy make it a better choice than the conventional duplex stainless steels and a cost effective alternative to more expensive nickel-base alloys where excellent formability, weldability, strength and corrosion resistance are essential.
 

Duplex Stainless AL-6XN Applications

▪ FGD scrubbers
▪ Reverse osmosis desalination
▪ Distillation columns
▪ Heat exchangers
▪ Biopharm tanks and fermenters
▪ Pressure vessels
▪ Manways
▪ Agitators and mixers
▪ Seawater coolers in nuclear plants

 

Specifications

1.UNS Number:N08367
2.Standards:ASTM A182, A240,A249, A276, A312, A479, B462, B472, B564, B675, B676, B688, B690, B691, B366, B804


Super Stainless AL-6XN Chemical Composition

C Mn Si Cr Ni Mo P S Cu N
0.03 max 2.0 max 1.0 max 20.0-22.0 23.5-25.5 6.0-7.0 0.04 max 0.03 max 0.75 max 0.18-0.25

Super Stainless AL-6XN Mechanical Properties

Properties Metric Imperial
Tensile strength (min) 770 MPa 112 ksi
Yield strength (min) 393 MPa 57 ksi
Elongation (min) 44% 44%
Hardness, Brinell (max) Rb 88 Rb 88

Corrosion resistance
 General corrosion

  The following table lists the comparison results of the corrosion resistance of 022Cr21Ni25Mo7N, 00Cr20Ni24Mo6N, AL-6XN stainless steel in some acid media, 316L stainless steel , 317L stainless steel , 904L stainless steel and the famous nickel-based corrosion-resistant alloy Hastelloy C-276 . Obviously, the corrosion resistance of (00Cr20Ni24Mo6N) AL-6XN stainless steel is not only better than these stainless steels, but also better than or equal to C-276 Hastelloy alloy.
 

(00Cr20Ni24Mo6N) General Corrosion Resistance of AL-6XN Stainless Steel
Test solution (boiling) Corrosion rate/mm·a -1
316L 317L 904L AL-6XN C-276
20% acetic acid 0.03 0.01 0.02 0.063 0.01
45% Formic acid 0.06 0.47 0.2 0.06 0.07
10% oxalic acid 1.23 1.14 0.69 0.19 0.28
20% Phosphoric Acid 0.02 0.02 0.01 0.006 0.009
10% Sodium Sulfite 1.82 1.42 0.23 0.19 0.45
5% Sodium Hydroxide 1.92 0.83 0.24 0.19 0.45
10% sulfuric acid 16.15 7.58 2.53 1.83 0.35


 In sulfuric acid and hydrogen chloride, 022Cr21Ni25Mo7N, 00Cr20Ni24Mo6N, AL-6XN  stainless steels are better than the tested 904L stainless steel and 654SMO stainless steel, but their use range in sulfuric acid with high chloride ion concentration, especially in hydrochloric acid, is still very narrow, only better than 904L stainless steel, but lower than another 7% Mo type super austenitic stainless steel 654SMO. In hydrogen chloride, the corrosion resistance of (00Cr20Ni24Mo6N) AL-6XN stainless steel is still lower than that of 654SMO stainless steel , but better than other stainless steel grades including the tested 2507 super duplex stainless steel .


Pitting

  The pitting corrosion resistance of 022Cr21Ni25Mo7N, 00Cr20Ni24Mo6N, AL-6XN  stainless steel (evaluated by pitting potential and critical pitting temperature) was compared with other stainless steels and 625 alloy ( Inconel 625 ) and G3 alloy ( Hastelloy G3 ). It was found that under the test conditions, the pitting corrosion resistance of (00Cr20Ni24Mo6N) AL-6XN stainless steel was better than that of 316L stainless steel, 317L stainless steel, and 904L stainless steel, but similar to that of G3 alloy, and lower than that of 625 alloy. In 6% FeCl3 solution, the pitting corrosion resistance (critical pitting temperature) of AL-6XN stainless steel and other stainless steels before and after welding (TIG welding without wire filling) (00Cr20Ni24Mo6N) is better than the influence of welding. The pitting corrosion resistance of AL 6XN stainless steel decreases after welding, but compared with grades with lower molybdenum content (316L stainless steel, 317L stainless steel and 904L stainless steel), AL 6XN stainless steel with high molybdenum content and nitrogen is still the best.


 Crevice corrosion


   By comparing the toughness curves of (00Cr20Ni24Mo6N) AL-6XN stainless steel, it can be seen that the reduction in corrosion resistance (pitting and crevice corrosion resistance) of AL-6XN stainless steel occurs before the toughness of this steel decreases, especially at lower temperatures; the corrosion resistance of AL 6XN stainless steel decreases significantly at about 700°C, and this trend is suppressed when the temperature is ≥ 927°C.

 
Critical crevice corrosion temperature of (00Cr20Ni24Mo6N)AL-6XN in 6% ferric chloride solution Unit: °C
 (00Cr20Ni24Mo6N)AL-6XN Test material grade
316L
Stainless Steel
825
Alloy
317L
Stainless Steel
904L
stainless steel
2205
Duplex Steel
EB
26-1
 G
Alloy
625
Alloy
C-276
Alloy
43 -3 -3 2 15 20 twenty one 30 38 55


   In 6% FeCl 3 solution, the critical crevice corrosion temperature of (00Cr20Ni24Mo6N) AL-6XN stainless steel was compared with other stainless steels and corrosion-resistant alloys. It was found that the critical crevice temperature of AL-6XN stainless steel was as high as 43°C, only lower than the nickel-based corrosion-resistant alloy C-276 (00Cr16Ni60Mo16W4). This result shows that AL-6XN stainless steel has good crevice corrosion resistance under the test conditions.
 
Initial conditions for crevice corrosion of AL-6XN (00Cr20Ni24Mo6N) in critical crevice corrosion solution
Material grade UNS Number pH Chloride concentration
Concentration/mol·L -1 ppm Compared with seawater
430  S43000 2.9  1.0  35000  1.84 
304  S30400 2.1  2.5  88750  4.68 
316  S31600 1.7  4.0  142000  7.48 
904L N08904 1.3  4.0  142000  7.48 
AL 6XN N08867 <1.0 6.0  213000  11.22 
625 Alloy N06625 0.0  6.0  213000  11.22 

   The conditions for crevice corrosion of (00Cr20Ni24Mo6N) AL-6XN stainless steel and 625 alloy were tested in a critical crevice corrosion solution. The test results show that the conditions for crevice corrosion of AL-6XN stainless steel and nickel-based corrosion-resistant alloy are equivalent, that is, they have similar crevice corrosion resistance.

 Intergranular corrosion

   Since (00Cr20Ni24Mo6N) AL-6XN stainless steel generally contains only about 0.02% carbon, there is little precipitation of chromium carbides. However, when the hot working, heat treatment and welding processes are improper, there is still a risk of intergranular corrosion due to the precipitation of metal phases and Cr2N along the grain boundaries.

   The following table shows the intergranular corrosion data of steel obtained by different intergranular corrosion test methods. It can be seen that the corrosion rate difference between ultra-low carbon austenitic stainless steel and super austenitic stainless steel is not significant except for ASTM A262 F method, but the corrosion rate of nickel-based corrosion-resistant alloy C-276 (00Cr16Ni60Mo16W4) is very high.

Available Sizes And Specifications

  
AL-6XN stainless steel plate sizes and specifications
Grade AL-6XN
Cold rolled stainless steel plate Thickness: 0.3mm- 16.0mm, Width: 1000mm - 2000mm,
Length: as requirements, Surface: 2B/BA/SB/8K/HL/1D/2D etc
Hot rolled stainless steel sheet Thickness: 3.0mm - 300mm, Width: 1000mm - 3000mm
Length: as requirements, Surface: No.1/pickling
Standard ASTM A240/A480, ASTM B688, ASTM B463/SB463, ASTM B168/SB168, ASTM B443/SB443/B424/SB424B625/SB625 B575/SB575, JIS G4303,
BS 1449, DN17441, G4305
Stainless steel plate Thickness: 8.0mm - 300mm, Width: 1000mm - 3000mm
Length: as requirements, Surface: No.1/pickling
 

Surface Treatment

 

Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate

Detection


Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate

Processing

Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate
 

Packaging & Shipping


Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate
Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate

Company Profile


Lork Uns N08367 Steel Sheet for Reverse Osmosis Desalination 6 Moly Al-6xn Stainless Steel Plate

FAQ


Q1: Do you accept the trial order ?
A1: Yes,if we have the exactly size in stock.we can delivery even 1 piece/meter .

Q2: Can I have free sample before making orders?

A2: Yes,we can supply free sample as requirement,but buyer needs to pay the freight charges ,the freight fee will return to buyer after making order.

Q3: How do you control the quality ?
A3: MTC and PMI will be sent before shipment,any 3rd party inspection if need .

Q4: How about your delivery time ?
A4: Generally delivery time is 15 working days .

Q5: How can I quickly get the price list ?
A5: Directly click "chat now" or send us email with detail specifications,you will get the official price list in 1 hour .

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