Stainless alloy steel plate 316 (also known as UNS S31600 or DIN 1.4401) is a widely used austenitic stainless steel, renowned for its excellent corrosion resistance, formability, and versatility. It is an upgraded version of 304 stainless steel, with the addition of molybdenum (Mo) enhancing its performance in harsh environments. Below is a detailed overview:

1. Chemical Composition

The key elements (typical ranges) in 316 stainless steel plate are:

 

Chromium (Cr): 16.0%–18.0% (forms a protective oxide film for corrosion resistance).

Nickel (Ni): 10.0%–14.0% (stabilizes the austenitic structure, ensuring toughness and ductility).

Molybdenum (Mo): 2.0%–3.0% (the defining element; significantly improves resistance to pitting, crevice corrosion, and chloride-induced corrosion).

Carbon (C): ≤0.08% (low carbon content reduces the risk of carbide precipitation).

Manganese (Mn): ≤2.0%, Silicon (Si): ≤1.0% (aids in deoxidation and processing).

 

 

 

 

 

Composition of Stainless steel TYPE 316

ELEMENT%	316	316L	316H	316Ti
C	0.0-0.07	0.0-0.03	0.04-0.08	0.0- 0.08
Mn	0.0-2.0	0-2.0	0.0-2.00	0.0-2.00
Si	0.0-1.0	0.0-1.00	0.0-1.00	0.0- 1.00
P	0.0-0.05	0.0-0.05	0-0.04	0.0-0.05
S	0.0-0.02	0.0-0.02	0.0-0.02	0.0-0.03
Cr	16.50-18.50	16.50-18.50	16.50-18.50	16.50- 18.50
Mo	2.00-2.50	2.00-2.50	2.00-2.50	2.00- 2.50
Ni	10.00-13.00	10.00-13.00	10.00-13.00	10.50- 14.00
Ti	-	-	-	0.40- 0.70
Fe	balance	balance	balance	balance

 

 

 

 

 

 

 

 

 

 

 

 

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