Alloy 31 UNS N08031, ASME B16.5, 1.4562 Forged Flanges, Alloy 31 Forging Flanges, Pipe Flanges, Steel Flanges

Flange

Material: ASTM B564 UNS N08031 Flange，alloy 31 flange
Flange Type:slip on flange/WN flange/Long WN flange/Threaded flange/SW flange/Blind flange
Standard: ANSI, DIN, JIS, GOST, As219/As4087/Sans1123/SABS 1123, Bs, JIS

ASTM/ASME/ANSIB16.5, B16.47, ASME/ANSI B16.48 flange, ASTM B564 UNS N08031 flange

Alloy 31 – UNS N08031 – X1NiCrMoCu 32 28 7 – 1.4562

Alloy 31 is characterized by outstanding resistance to corrosion in halide media, both acidic and basic; outstanding resistance to sulfuric acid, even highly concentrated; outstanding resistance to corrosion and erosion-corrosion in phosphoric acid media; excellent resistance to both localized corrosion and general corrosion in chlorine dioxide bleach media; excellent resistance to both reducing and oxidizing media, and ease of fabrication and welding. Approval for pressure-vessel use involving wall temperatures from -196 to 550ºC (-320 to 1020ºF).

UNS N08031 CHEMICAL COMPOSITION

WEIGHT%	C	SI	MN	S	P	CR	NI	MO	N	CU
MIN.						26,0	30,0	6,0	0,15	1,0
MAX.	0,015	0,3	2,00	0,010	0,020	28,0	32,0	7,0	0,25	1,4

PREN = (CR% + 3.3MO% + 16N%) ≥ 48
PRODUCT STANDARDS: ASTM B625 – 14
APPROVALS: FOR USAGE IN PRESSURE VESSELS WITH WALL TEMPERATURES BETWEEN -196°C TO 550°C

APPLICATIONS

Typical applications: Pulp and paper industry, flue gas desulphurization – FGD – systems, sea water heat exchangers, petroleum production and refining industry, mining industry – ore processing…