Corrosion Resistant Alloy Bolts

Alloy31 UNS N08031 Heavy Hex Bolt 1.4562 for Sale

Alloy31 UNS N08031 Heavy Hex Bolt 1.4562 for Sale
Product Details

Alloy 31 Bolt
BDF can produce qualified alloy 31 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.
Alloy 31 is an iron-nickel-chromium-molybdenum alloy with nitrogen addition. It has a pitting resistance in high chloride environments between those of super-austenitic stainless steels and nickel alloys. The alloy has very good corrosion resistance in mixed acid and high chloride environments. The material is approved in ISO 15156/ NACE MR0175 to test level VI for sour gas service.
Applications:
Chemical, food, pharmaceutical and plastics industries, heat exchangers, mixing tanks, pickling equipment, synthetic rubber manufacturing equipment, pumps, valves and piping.
Chemical composition:

%

Fe

Ni

Cr

Cu

Mo

C

Mn

Si

P

S

N

Min

balance

30.0

26.0

1.0

6.0






0.15

Max

32.0

28.0

1.4

7.0

0.015

2.0

0.3

0.02

0.01

0.25

Physical properties:

Density

8.10 g/cm3

Melting range

1350-1370℃

Alloy 31 minimum mechanical properties in the room temperature:

Alloy

Tensile strength
Rm N/mm2

Yield strength
RP0.2N/mm2

Elongation
A5 %

Alloy 31

600

320

35

If our alloy31 uns n08031 heavy hex bolt 1.4562 for sale caters to your requirement, welcome to contact our professional manufacturers and suppliers. Highly qualified products, competitive price and good after-sale service can be assured.

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