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Super Austenitic SS Pipes/Tubes

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Main grades: N08904(904L), N08367(6Mo), S31254(6Mo), S30432, S31042

It has better resistance to chloride pitting and crevice corrosion than Cr-Ni austenitic stainless steel with Mo >4% in highly corrosive media containing Cl- ...

Product Introduction:

Super Austenitic Stainless Steel

Super austenitic stainless steel is defined as Cr-Ni stainless steel with a Pitting Resistance Equivalent Number (PREN=[Cr]+3.3[Mo]+16[N])≥40%.  It has better resistance to chloride pitting and crevice corrosion than Cr-Ni austenitic stainless steel with Mo >4% in highly corrosive media containing Cl-

Grades: N08904(904L), N08367(6Mo), S31254(6Mo), S30432, S31042

Specifications: 

ASTM A312 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

ASTM A269 Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

ASTM B673,ASTM B674,ASTM B677,ASTM B675,ASTM B676, ASTM B690

Features:

1. Superior resistance to chloride pitting, crevice corrosion in aggressive environment;

2. Good mechanical properties with high yield strength;

3. Excellent machinability.

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