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{"title":"Corrosion Resistant Hot Rolled Inconel 625 Plate High Strength Nickel Base 625","imgUrl":"https:\/\/img.chinax.com\/nimg\/9e\/5b\/58c1623345aec299568a09d8f5f4-200x200-1\/corrosion_resistant_hot_rolled_inconel_625_plate_high_strength_nickel_base_625.jpg","attrs":{"Certification":"AISI, ASTM","Minimum Order Quantity":"50","Price":"12.35","Model Number":"Inconel 625"}}
Alloy 625 is an austenitic nickel-chromium-molybdenum-niobium alloy offering exceptional corrosion resistance combined with high strength from cryogenic temperatures to 1800°F (982°C). The alloy's strength comes from solid-solution hardening by molybdenum and niobium, eliminating the need for precipitation-hardening treatments.
This chemical composition provides outstanding corrosion resistance in severe operating environments, with excellent resistance to oxidation, carburization, pitting, crevice corrosion, impingement corrosion, intergranular attack, and near-immunity to chloride stress corrosion cracking.
Air Pollution Control: chimney liners, dampers, flue gas desulfurization (FGD) components
Chemical Processing: equipment handling both oxidizing and reducing acids, super-phosphoric acid production
Marine Service: steam line bellows, Navy ship exhaust systems, submarine auxiliary propulsion systems
Nuclear Industry: reactor core and control rod components, waste reprocessing equipment
Offshore Oil and Gas Production: waste flare gas stacks, piping systems, riser sheathing, sour gas piping and tubing
Petroleum Refining: waste flare gas stacks
Waste Treatment: waste incineration components
Standards
ASTM: B 443 | ASME: SB 443 | AMS: 5599
Chemical Composition
Weight % (all values are maximum unless a range is indicated)
Element
Content
Element
Content
Nickel
58.0 min.
Silicon
0.50
Chromium
20.0 min.-23.0 max.
Phosphorus
0.015
Molybdenum
8.0 min.-10.0 max.
Sulfur
0.015
Iron
5.0
Aluminum
0.40
Niobium (plus Tantalum)
3.15 min.-4.15 max.
Titanium
0.40
Carbon
0.10
Cobalt (if determined)
1.0
Manganese
0.50
Physical Properties
Property
Imperial Units
Metric Units
Density
0.305 lbs/in³
8.44 g/cm³
Specific Heat
0.102 BTU/lb-°F (32-212°F)
427 J/kg-°K (0-100°C)
Modulus of Elasticity
30.1 x 10⁶ psi
207.5 GPa
Thermal Conductivity
75 BTU/hr/ft²/ft/°F
10.8 W/m-°K
Melting Range
2350 - 2460°F
1290 - 1350°C
Electrical Resistivity
50.8 Microhm-in at 70°C
128.9 Microhm-cm at 210°C
Thermal Expansion
Temperature
Mean Coefficient
200°F (93°C)
7.1 x 10⁻⁶ in/in/°F | 12.8 x 10⁻⁶ cm/cm°C
400°F (204°C)
7.3 x 10⁻⁶ in/in/°F | 13.1 x 10⁻⁶ cm/cm°C
600°F (316°C)
7.4 x 10⁻⁶ in/in/°F | 13.3 x 10⁻⁶ cm/cm°C
800°F (427°C)
7.6 x 10⁻⁶ in/in/°F | 13.7 x 10⁻⁶ cm/cm°C
1000°F (538°C)
7.8 x 10⁻⁶ in/in/°F | 14.0 x 10⁻⁶ cm/cm°C
1200°F (649°C)
8.2 x 10⁻⁶ in/in/°F | 14.8 x 10⁻⁶ cm/cm°C
1400°F (760°C)
8.5 x 10⁻⁶ in/in/°F | 15.3 x 10⁻⁶ cm/cm°C
1600°F (871°C)
8.8 x 10⁻⁶ in/in/°F | 15.8 x 10⁻⁶ cm/cm°C
1700°F (927°C)
9.0 x 10⁻⁶ in/in/°F | 16.2 x 10⁻⁶ cm/cm°C
Mechanical Properties
Typical Values at 68°F (20°C)
Yield Strength (0.2% Offset)
Ultimate Tensile Strength
Elongation in 2 in.
Hardness
65,000 psi (448 MPa)
125,000 psi (862 MPa)
50%
200 Brinell (max)
Corrosion Resistance
Alloy 625's highly alloyed composition provides exceptional corrosion resistance in severe environments. The alloy is virtually immune to attack in mild conditions including atmosphere, fresh and sea water, neutral salts, and alkaline solutions. Nickel and chromium provide resistance to oxidizing solutions, while nickel and molybdenum supply resistance in non-oxidizing environments.
Pitting Resistance Equivalency Numbers (PREN)
Alloy
Ni
Cr
Mo
W
Nb
N
PREN
316 Stainless Steel
12
17
2.2
-
-
-
20.4
317 Stainless Steel
13
18
3.8
-
-
-
23.7
Alloy 825
42
21.5
3
-
-
-
26.0
Alloy 625
62
22
9
-
3.5
-
40.8
Alloy C-276
58
16
16
3.5
-
-
45.2
Fabrication Data
Hot Forming
Hot-working temperature range: 1650 - 2150°F (900 - 1177°C). Heavy working should occur near 2150°F (1177°C), with lighter working down to 1700°F (927°C). Use uniform reductions to prevent duplex grain structure.
Cold Forming
Alloy 625 can be cold-formed using standard shop practices in the annealed condition. Work hardening rates are higher than austenitic stainless steels.
Welding
Readily welded by GTAW (TIG), PLASMA, GMAW (MIG/MAG), SAW and SMAW (MMA). No post weld heat treatment required. Brushing with stainless steel wire brush removes heat tint.
Machining
Machine in annealed condition using low cutting speeds with continuous tool engagement. Adequate cut depth prevents contact with work-hardened zones.
Packaging
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h... Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h...