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Super Duplex Washers

We are Manufacturer, Supplier and Exporter of high quality Super Duplex Steel Fasteners in china. We also offer a complete range of Super Duplex Steel Fasteners such as Bolts, Nuts, Washer, Screw, threaded rod and duplex steel screws etc. These are available in various size, shapes, specification & thickness as per the clients requirments. Our range of these fasteners are widely used in rotors, fans, shafts, and press rolls, automobiles etc. We can offer our product as per ASTM, DIN, BS, AISI, JIS or any international standard or as per customer’s specifications.

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We are well-known suppliers of Super Duplex Stainless Steel 2507 Fasteners. Super Duplex Steel 2507 Washers is also used in LPG cylinders, corrosion resistant steel, critical structural application steel, boiler quality, automotive, precision tubes and medium/high carbon grades and among others. Super Duplex Stainless Steel 1.4410 Bolts is inspected on several parameters in order to supply a faultless range. typically finds application of this Alloy 2507 Fasteners include marine engineering, chemical and hydro-carbon processing, heat exchangers, valves and pumps

Standard Specification For Super Duplex Washers

Material	Size	Length	Specification
Super Duplex Stainless Steel	M02 to M30	3 mm to 200 mm	IS BS ASTM

Material:	Duplex Stainless Steel, Super Duplex Stainless Steel.
Standard :	ASTM / ASME F60 / F51/ F61 / F55 / F53
Grade:	UNS S31803, S32205, S32550, S32750, S32760
Type of Fasteners:	Bolts : Bolts stud bolts, hex head bolts, socket hexagon head screw anchor bolts, u-bolts, J bolts, mushroom head square neck bolts, t- head bolts, wing screw, eye bolt, eye bolt, foundation bolts and structural bolts Washer : Plain washer , plain big & small OD washer , spring lock washer , spring washer heavy duty , tooth washer , star washer , tab washer with one & two tab Nuts : Hexagon nuts, hexagon coupling nuts, hexagon thin nut, square nut, hexagon castle nuts, self locking nut, hexagon domed cap nuts Screw : Pan head slotted screws, cheese head slotted screws, countersunk head slotted screws, countersunk raised head slotted screws, pan phillipse head screw, countersunk Phillipse raised head screws, slotted cheese trim head machine screws, socket head allen cap screws, allen countersunk socket head cap screws, socket head shoulder screws, socket head cap screw low head, hexagon socket set screw with flat point, hexagon socket set screws with cone point, hexagon socket set screw with dog point, hexagon socket set screws with dog point, hexagon socket set screws with cup point, imprial socket cap screws. Other : Threaded rod, as per drawing and customers spec. coating, hot dipped galvanizing, phosphate, Teflon, xylon, zinc, cadmium.
In Form of:	Hex, Square, Round , Threading as per Gauge Etc.

Alloy 2507 Washers Equivalent Grades

Alloy	Common Name	Related Specification
		European	UNS	ASTM/ASME
Alloy 2507	SAF 2507 ®	1.4410	S32750	F53

Zeron 100 Washers Equivalent Grades

Alloy	Common Name	Related Specification
		European	UNS	ASTM/ASME
Zeron 100	Zeron 100 ®	1.4501	S32760	F55

Chemical Composition of Super Duplex 2507 Washers

Element	Content (%)
Chromium, Cr	24 – 26
Nickel, Ni	6 – 8
Molybdenum, Mo	3 – 5
Manganese, Mn	1.20 max
Silicon, Si	0.80 max
Copper, Cu	0.50 max
Nitrogen, N	0.24 – 0.32
Phosphorous, P	0.035 max
Carbon, C	0.030 max
Sulfur, S	0.020 max
Iron, Fe	Balance