We have stock size of washers , nuts and hex bolt (M6-20)!!!!

We are professional Nickle alloy / superalloy fasteners factory.We can produce Bolt , Nut, Washer, Threaded rod, Split cotter Pins, R clips and machining special parts according to the drawing with material of Hastelloy, Monel, Incoloy, Inconel, Titanium , Duplex series, Nimonic and normal stainless steel SS304,SS316,SS321,SS309S and so on.


Duplex 2205 Bolts
1. Standard: DIN931/933/603/444, ISO4014/4017, ASME B18.2.1, A325, A325M
2. Material: Duplex steel series (2205\F51\S31803\S32205), 2507(F53\S32750)
3. Size: M6-64mm
4. Delivery time: 15-30 days

Mechanical Properties
Typical Composition ( %)

We are professional Nickle alloy / superalloy fasteners factory.We can produce Bolt , Nut, Washer, Threaded rod, Split cotter Pins, R clips and machining special parts according to the drawing with material of Hastelloy, Monel, Incoloy, Inconel, Titanium , Duplex series, Nimonic and normal stainless steel SS304,SS316,SS321,SS309S and so on.


Duplex 2205 Bolts
1. Standard: DIN931/933/603/444, ISO4014/4017, ASME B18.2.1, A325, A325M
2. Material: Duplex steel series (2205\F51\S31803\S32205), 2507(F53\S32750)
3. Size: M6-64mm
4. Delivery time: 15-30 days

Mechanical Properties
ASTM A 240 | Typical | |
Yield Strength 0.2%, ksi | 65 min. | 74 |
Tensile Strength, ksi | 90 min. | 105 |
Elongation % | 25 min. | 30 |
Hardness HB | 293 max. | 256 |
Typical Composition ( %)
C | Cr | Ni | Mo | N | Others |
0.020 | 22.1 | 5.6 | 3.1 | 0.18 | S=0.001 |
PREN = [Cr%] = 3.3 [Mo%] = 16 [N%] ≥ 34 |