Kochlin SPECIAL ALLOYS · SINCE 2009
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Chemical Processing

We break this industry into 11 specific service conditions, each with its own temperature bands and ranked grades — not a generic material table.

Open the selector — ranked for your condition

Media & conditionTemperature band Top three grades for that band
Sulphuric acid ≤ 80 °C N080202.466095NS14022.485890N089041.453990
80 – 200 °C N080202.466090N089041.453990NS14022.485886
> 200 °C N089041.453990N080202.466080N102762.481980
HCl & reducing acids ≤ 60 °C N106652.461795N106752.460094Ta2.5W93
60 – 110 °C Ta2.5W93N106652.461792N106752.460091
Nitric & oxidising media ≤ 60 °C TA23.703592TA33.705592N066902.464288
60 – 120 °C N066902.464288TA23.703586TA33.705586
Phosphoric acid ≤ 80 °C N060302.460392N080202.466088N080281.456388
80 – 200 °C N060302.460389N080281.456388N069852.461984
Hydrofluoric acid ≤ 50 °C N044002.436095N055002.437590N62.406688
50 – 100 °C N044002.436091N0440588N055002.437586
Wet Cl₂, chlor-alkali ≤ 80 °C N102762.481996N060222.460294TA93.723594
80 – 150 °C N060222.460294N102762.481993N066862.460693
Organic & acetic acid 120 – 200 °C N102762.481987TA23.703586R6070286
> 200 °C N102762.481982N060222.460278R6070276
Caustic & molten alkali ≤ 80 °C N62.406694N42.406892NS14022.485886
80 – 200 °C N62.406689N42.406887N066002.481684
Molten alkali > 300 °C N066002.481682N62.406680N42.406878
Polymerisation reactors ≤ 80 °C N102762.481990N066252.485688TA103.710586
80 – 180 °C N066252.485688N102762.481987TA103.710582
Evaporators & tube bundles ≤ 80 °C TA103.710593TA23.703590TA33.705590
80 – 140 °C TA103.710589N066252.485688TA23.703584
Urea & ammonia synthesis 180 – 200 °C N089261.452988N066252.485685NS14022.485884
> 200 °C N066252.485683N089261.452980Ta179

Scores are relative suitability ratings used to narrow the shortlist; final selection must be confirmed against actual concentrations, partial pressures, velocity and code requirements.

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