Duplex Stainless Steel Bolts

F51 UNS S31803 Bolt 00Cr22Ni5Mo3N AL2205 S31803 SUS32953L 1.4462 Wholesale

F51 UNS S31803 Bolt 00Cr22Ni5Mo3N AL2205 S31803 SUS32953L 1.4462 Wholesale
Product Details

F51(S31803) Bolt
BDF can produce qualified F51(S31803) bolt of all kinds of cold formed and hot forged. The forms are hexagon bolts, hex heavy bolts, socket cap bolts, anchor bolts, and other non-standard bolts according to customer drawings. The size ranges from M8-M100 in METRIC and 3/8” to 3-1/2” in INCH, with varies length.
2205 is a duplex stainless steel with nearly equal proportions of austenite and ferrite when properly heat treated. This microstructure makes it much more resistant to stress corrosion cracking than stainless steel 304 and 316L. 2205’s higher chromium, molybdenum and nitrogen contents give it significantly improved pitting and crevice corrosion resistance in the presence of chlorides. Its yield strength is about twice that of austenitic stainless steels. It is highly suitable forApplications in environments containing chlorides and hydrogen sulfide such as marine applications and oil and gas production.
Applications:
Oil and gas industry piping, tubing and heat exchangers; pulp and paper industry bleaching equipment, liquor tanks and digesters; cargo tanks for ships and trucks; chemical processing industry pressure vessels, tanks, piping and heat exchangers; and food processing equipment.
Chemical composition:

%

Fe

Cr

Ni

Mo

C

Mn

Si

P

S

N

min

balance

21.0

4.5

2.5






0.08

max

23.0

6.5

3.5

0.030

2.00

1.00

0.030

0.020

0.20

Physical properties:

Density

7.8 g/cm3

Melting range

1385-1443℃

F51(S31803) Bolt Mechanical Properties:

Condition

Tensile Strength

Yield Strength σp0.2/MPa

Elongation
A5%

Brinell Hardness

Solution Treated

620

450

25

≤290

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