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Sulfur Dioxide Resistance of Stainless Steel 316

Is Stainless Steel 316 compatible with Sulfur Dioxide? See the chemical resistance rating below.

Compatibility Rating

At 20°C (68°F)
A
Excellent
Excellent resistance - recommended for continuous use
At 50°C (122°F)
A
Excellent
Excellent resistance - recommended for continuous use

Why is SS 316 resistant to Sulfur Dioxide?

SS 316 shows excellent resistance to Sulfur Dioxide due to its molybdenum content providing superior resistance to chlorides and corrosive chemicals compared to 304.

⚠️ When NOT to use SS 316

Avoid using Stainless Steel 316 with hydrochloric acid, hot sulfuric acid, and reducing environments. Best general-purpose stainless steel for chemical exposure.

Comparison Table — All Materials for Sulfur Dioxide

Material20°C50°C
HDPEAA
LDPEAA
PPAC
PTFEAA
PVDFAD
FEPAA
ECTFE/ETFEAA
EPDMANR
Viton (FPM)DD
NBRDD
SiliconeNRNR
SS 316AA
SS 304AA
AluminiumCD
PVC RigidAB
PVC FlexibleNRNR
PMPAA
PolystyreneCD
SANNRNR
PolycarbonateCC
PETGNRNR
Acetal (POM)DD
Nylon (PA)CC
PolysulfoneBB

A=Excellent · B=Good · C=Fair · D=Poor · NR=No Data

🌡️ Temperature Note

Good resistance at both 20°C and 50°C. Maximum service temperature for this material is 800°C — above this, degradation risk increases significantly.

🔄 Better Alternative?

Consider: Hastelloy or titanium for extreme corrosion. View all materials for Sulfur Dioxide →

FAQ

Is Stainless Steel 316 resistant to Sulfur Dioxide?

Stainless Steel 316 has Excellent (A) resistance to Sulfur Dioxide at 20°C. Excellent resistance - recommended for continuous use.

Can I store Sulfur Dioxide in Stainless Steel 316 containers?

Yes, Stainless Steel 316 is rated A (Excellent) for Sulfur Dioxide.

All Materials for Sulfur Dioxide All Chemicals for Stainless Steel 316