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Brief introduction:
254SMO is described as a 6% Mo super austenitic stainless steel.
254SMO is is much more resistant than ASTM TP316, and in naturally aerated sulphuric acid containing chloride ions Sandvik 254 SMO exhibits higher resistance than 904L grade.
254SMO is used in Equipment for handling of seawater,Hydraulic and instrumentation tubing,Equipment in pulp bleaching plants,Components in gas cleaning systems,Tanks and pipelines for chemicals with high halide contents,etc.
Main specifications:
Outokumpu UNS EN No. W.Nr 254SMO S31254 1.4547 1.4529** Chemical composition under ASTM A240 standard:
chemical composition,% Grade Ni Cr Mo Mn N Cu Si C P S Fe UNS S31254 17.5-18.5 19.5-20.5 6.0-6.5 ≤1.0 0.18-0.25 0.5-1.0 ≤0.8 ≤0.02 ≤0.03 ≤0.01 Bal. Main product types:
wire,rod, bar,strip,sheet/plate,tube/pipe,flanges, etc.
Main produce standards:
Wire, rod, Bar, forging Sheet/plate,Strip pipe,flange,fitting,valve EN 10088-3
ASTM A276
ASTM A479
ASTM A473ASME SA240
ASTM A240
EN 10088-2ASTM A269/A213/A312
NFA 49-217
EN 10216-5
ASTM A182
