Nickel Alloy N08031 Seamless Pipe Alloy31

Model NO.: N08031
Special Use: High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel
Application: Boiler Plate
Grade Number: a
Ts (MPa): 650
Yield RP0.2 (MPa): 276
Elongation: 40
Customized: Yes
Certificate: ISO2000
Delivery Time: 7-20
Trademark: taixie
Transport Package: Wooden Box
Specification: Nickel
Origin: China
HS Code: 7507120000
Key Specifications/Special Features:
Introduction:
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
Alloy has very good corrosion resistance in mixed acid and high chloride environments
Material is approved in ISO 15156/NACE MR0175 to test level VI for sour gas service
Typical applications:
Control lines
Control and instrumentation tubes
Heat exchangers
Chemical processing
Oil and gas
Typical wire chemistry:
C: 0.0015
Mo: 6-7
N: 0.2
Cr: 26-28
Ni: 30-32
Mn: 2
Si: 0.3
P: 0.02
Cu: 1.2
S: 0.01
Fe: Bal
Introduction
Inconel 625 is a Nickel-Chromium-Molybdenum alloy with excellent corrosion resistance in a wide range of corrosive media, being especially resistant to pitting and crevice corrosion. It is a favourable choice for sea water applications.
Chemical Composition of Inconel 625
The compositional range for Inconel 625 is provided in the table below.
Element Content
Ni 58% min
Cr 20 - 23%
Mo 8 - 10%
Nb+Ta 3.15 - 4.15%
Fe 5% max
Typical Properties of Inconel 625
Typical properties of Inconel 625 are covered in the following table.
Property Metric Imperial
Density 8.44 g/cm3 0.305 lb/in3
Melting point 1350 °C 2460 °F
Co-Efficient of Expansion 12.8 μm/m.°C
(20-100°C)		 7.1x10-6 in/in.°F
(70-212°F)
Modulus of rigidity 79 kN/mm2 11458 ksi
Modulus of elasticity 205.8 kN/mm2 29849 ksi
Properties of Supplied Materials and Heat Treated Materials
Condition of Supply Heat Treatment (After Forming)
Annealed/Spring Temper Stress relieve at 260 - 370°C (500 - 700°F) for 30 - 60 minutes and air cool.
Condition Approx Tensile Strength Approx Service Temp.
Annealed 800 - 1000 N/mm2 116 - 145 ksi -200 to +340°C -330 to +645°F
Spring Temper 1300 - 1600 N/mm2 189 - 232 ksi up to +200°C up to +395°F
Relevant Standards
Inconel 625 is covered by the following standards:
•         BS 3076 NA 21
•         ASTM B446
•         AMS 5666
Equivalent Materials
Inconel 625 is the tradename of Special Metals Group of Companies and equivalent to:
•         W.NR 2.4856
•         UNS N06625
•         AWS 012
Applications of Inconel 625
Inconel 625 typically finds application in:
•         Marine
•         Aerospace industries
•         Chemical processing
 
•         Pollution control equipment
Company information:

Phone:+8613400008153
Tel: 0510-88222973
Fax: 0510-88222975
 
Web: www.chinataixie.com
Add:No.22, Xinfeng Road, Xinwu District, Wuxi, Jiangsu, China.
Over 16 years of specialist experience in Copper, Mould steel, steel alloy! Welcome to order and customized.
 

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