| Customization: | Available |
|---|---|
| Type: | Flat Gasket |
| Material: | Duplex2507/1.4410 |
|
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We are professional Stainless steel fasteners factory.We can produce Bolt , Nut, Washer, Threaded rod, Split cotter Pins, R clips and machining special parts according to the drawing.
| Trustworthy | We are 15 years payed member of MADE-IN-CHINA |
| Fast Delivery | We have the capability to delivery urgent order within 25 days |
| Good quality | We put good quality as first important |
| Low price | We know the market,and we specilize in alloy fasetners |
Stainless Steel Washers
Our Hastelloy C276 nuts are used in South Korea power plant in 2010!
Our Alloy 286 1.4980 &2.4952 Nimonic 80A nuts used in Netherlands GE Nuclear Power plant project in 2012!
Our SS321 & SS309S studs and nut are used in Vietnam Powerplant project in 2015!
Our Duplex2205 bolt and nut are used in India power plant on 2017!
Our Duplex2507 bolt and nut are used in Oman power plant on 2019!
Our Duplex2205 bolt and nut are used in Bangladesh power plant on 2020!
Our Duplex2507 bolt and nut are used in ISRAEL power plant cooling tower system on 2020!
Our Hastelloy C276 bolt nut and washer are used in India Energy Group power plant in 2023!
Our Duplex2507 bolt and nut are used in MEXICO power plant cooling tower system on 2024!
Our Hastelloy C276,C4,C22,G30,B3
Incoloy800/825/925/926
Inconel600/617/718/725
Monel400/k500
Duplex 2205 /2507
Fasteners are exported to Europe and Asia each month!
|
Name |
Duplex washer |
|
Standard |
DIN125A/DIN9021/DIN434,ISO7089/ISO7093,ASME B 18.22.1 |
|
Size Range |
M5-M100 or non-standard as requested |
|
Finish |
Bright&Clean |
|
Marking |
HT&FST or customization |
|
Material |
Duplex 2205 & Super duplex 2507 & S32760 |
|
Grade |
Grade HV200 |
|
Certificates |
EN10204-3.1B |
|
Non-standards |
OEM is available, according to drawing or samples |
|
Samples |
Samples available |
|
Package |
Bulk in box and then in cartons, then on pallets, or according to customers' requirement. |
|
Payment |
T/T,Western Union |
Duplex 2205
|
UNS |
ID |
JIS |
W.Nr |
| S31803 | F51 | SUS32953L | 1.4462 |
Chemical composition of duplex 2205
| Alloy | % | Ni | Cr | Fe | Mo | N | C | Mn | Si | S | P |
| Duplex 2205 | Min. | 4.5 | 21 | margin | 2.5 | 0.08 | |||||
| Min. | 6.5 | 23 | 3.5 | 0.2 | 0.03 | 2 | 1 | 0.02 | 0.03 |
Minimum mechanical properties of duplex 2205 alloy at room temperature
| Tensile strength Rm N/mm2 | Yield strength RP0.2 N/mm2 | Elongation rate A5% | Brinell hardness HB |
| 620 | 450 | 25 | 290 |
Super Duplex 2507
|
UNS |
ID |
AISI/ASTM |
W.Nr |
| S32750 | F53 | 2507 | 1.4410 |
Chemical composition of Super Duplex 2507
| Alloy | % | Ni | Cr | Mo | N | C | Mn | Si | S | P | Cu |
| 2507 | Min. | 6.0 | 24 | 3.0 | 0.24 | 0.08 | |||||
| Min. | 8.0 | 26 | 5.0 | 0.32 | 0.03 | 1.2 | 0.08 | 0.02 | 0.035 | 0.5 |
Minimum mechanical properties of alloy for Super Duplex 2507 at room temperature
| Tensile strength Rm N/mm2 | Yield strength RP0.2 N/mm2 | Elongation rate A5% | Brinell hardness HB |
| 800 | 550 | 15 | 310 |
Super Duplex S32760
|
UNS |
ID |
W.Nr |
| S32760 | F55 | 1.4501 |
Chemical composition of Super Duplex S32760
| Alloy | % | Ni | Cr | Mo | N | C | Mn | Si | S | P | Cu | W |
| F55 | Min. | 6.0 | 24 | 3.0 | 0.2 | |||||||
| Min. | 8.0 | 26 | 4.0 | 0.3 | 0.03 | 1.0 | 1.0 | 0.01 | 0.03 | 1.0 | 1.0 |
Minimum mechanical properties of Super Duplex S32760 alloy at room temperature
| Tensile strength Rm N/mm2 | Yield strength RP0.2 N/mm2 | Elongation rate A5% |
| 820 | 550 | 25 |
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