What Is 316 (UNS S31600) Stainless Steel

316 (UNS S31600, 1.4401, SUS316) is a molybdenum-containing austenitic stainless steel, with enhanced chloride corrosion resistance vs 304.

Equivalent Grades (Horizontal)

UNS: S31600 | JIS: SUS316 | GB: 06Cr17Ni12Mo2 | EN: X5CrNiMo17-12-2

Chemical Composition (wt%, Horizontal)

C: ≤0.08 | Si: ≤1.00 | Mn: ≤2.00 | P: ≤0.045 | S: ≤0.030 | Cr: 16.00-18.00 | Ni: 10.00-14.00 | Mo: 2.00-3.00 | Fe: Balance

Grade		C	Mn	Si	P	S	Cr	Mo	Ni	N
316	Min	-	-	-	0	-	16.0	2.00	10.0	-
	Max	0.08	2.0	0.75	0.045	0.03	18.0	3.00	14.0	0.10
316L	Min	-	-	-	-	-	16.0	2.00	10.0	-
	Max	0.03	2.0	0.75	0.045	0.03	18.0	3.00	14.0	0.10
316H	Min	0.04	0.04	0	-	-	16.0	2.00	10.0	-
	max	0.10	0.10	0.75	0.045	0.03	18.0	3.00	14.0	-

Key Properties (20°C, Annealed, Horizontal)

Density: 7.98g/cm³ | Melting Point: 1375-1450°C | Tensile Strength: 515-690N/mm² | 0.2% Yield Strength: ≥205N/mm² | Elongation: ≥40% | Hardness (HB): ≤217

Core Characteristics

Excellent pitting/crevice corrosion resistance in chloride environments; good formability and weldability; suitable for coastal, marine and weak corrosive scenarios; more expensive than 304.

304 vs 316 (Horizontal)

Mo Content: 304 (None) | 316 (2.00-3.00%) | Chloride Resistance: 304 (Poor) | 316 (Excellent) | Density: 304 (7.93g/cm³) | 316 (7.98g/cm³)

 

Stainless Steel Suppliers

If you have project requirements for stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. It can be processed into various practical product forms, including plates, coils, tubes, bars, wires, etc. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.Email: info@gneestainless.com

 

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