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Corrosion Resistant High Strength Hot Rolled Inconel 625 Plate and Alloy 625 Sheet for Aerospace and Marine Applications

  • Corrosion Resistant High Strength Hot Rolled Inconel 625 Plate and Alloy 625 Sheet for Aerospace and Marine Applications
証明 AISI, ASTM
最小注文数量 50 kg
価格 US $12.35-14.95 / k
商品の詳細
型番 インコネル625 形 フラット
技術 熱間圧延 表面処理 ポリッシュ
仕様 1220*2440,1500*3000,1500*6000,2000*6000mm 生産能力 500000kg
ニッケル含有量 58.0分 クロムの内容 最小20.0～最大23.0
モリブデン含有量 最小8.0～最大10.0 ニオブ含有量 最小3.15～最大4.15
密度 8.44g/cm3 弾性率 207.5 GPa
融解範囲 1290～1350℃ 降伏強さ 448MPa
最終的な引張強さ 862MPa
ハイライト

Corrosion Resistant Inconel 625 Plate

,

High Strength Alloy 625 Sheet

,

Hot Rolled Nickel-Chromium-Molybdenum-Niobium Strip
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製品の説明
Inconel 625 Alloy 625 DIN2.4856 Plate Sheet
Manufactured in USA by SMC/ATI/HAYNES
General Properties
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.
The chemical composition provides outstanding corrosion resistance in severe operating environments, with resistance to oxidation, carburization, pitting, crevice corrosion, impingement corrosion, intergranular attack, and virtual immunity to chloride stress corrosion cracking.
Alloy 625 is easily welded and processed using standard shop fabrication practices.
Applications
  • Aerospace Components - bellows and expansion joints, ducting systems, jet engine exhaust systems, engine thrust-reversers, turbine shroud rings
  • 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 Analysis
Weight % (all values are maximum unless a range is otherwise indicated)
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
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 200°F (100°C) 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
Mean Coefficient of Thermal Expansion
Temperature Range in/in/°F cm/cm°C
200°F | 93°C 7.1 x 10⁻⁶ 12.8 x 10⁻⁶
400°F | 204°C 7.3 x 10⁻⁶ 13.1 x 10⁻⁶
600°F | 316°C 7.4 x 10⁻⁶ 13.3 x 10⁻⁶
800°F | 427°C 7.6 x 10⁻⁶ 13.7 x 10⁻⁶
1000°F | 538°C 7.8 x 10⁻⁶ 14.0 x 10⁻⁶
1200°F | 649°C 8.2 x 10⁻⁶ 14.8 x 10⁻⁶
1400°F | 760°C 8.5 x 10⁻⁶ 15.3 x 10⁻⁶
1600°F | 871°C 8.8 x 10⁻⁶ 15.8 x 10⁻⁶
1700°F | 927°C 9.0 x 10⁻⁶ 16.2 x 10⁻⁶
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 (min.)
448 MPa		 125,000 psi (min.)
862 MPa		 50% (min.) 200 Brinell (max.)
Corrosion Resistance
Alloy 625's highly alloyed composition provides exceptional corrosion resistance in severely corrosive 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.
Molybdenum provides resistance to pitting and crevice corrosion, and niobium acts as a stabilizer during welding to prevent intergranular cracking. The high nickel content makes Alloy 625 virtually immune to chloride stress corrosion cracking.
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 864 34 21 4.3 - - - 27.4
Alloy G-3 44 22 7 - - - 32.5
Alloy 625 62 22 9 - 3.5 - 40.8
Alloy C-276 58 16 16 3.5 - - 45.2
Alloy 622 60 20.5 14 3.5 - - 46.8
SSC-6MO 24 21 6.2 - - 0.22 48.0
Alloy 686 58 20.5 16.3 3.5 - - 50.8
Fabrication Data
Hot Forming
The hot-working temperature range for Alloy 625 is 1650 - 2150°F (900 - 1177°C). Heavy working should occur near 2150°F (1177°C), while lighter working can take place 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 fabrication practices in the annealed condition. Work hardening rates are higher than austenitic stainless steels.
Welding
Alloy 625 can be readily welded by most standard processes including GTAW (TIG), PLASMA, GMAW (MIG/MAG), SAW and SMAW (MMA). No post weld heat treatment is necessary. Brushing with stainless steel wire brush after welding removes heat tint.
Machining
Machine Alloy 625 in the annealed condition. Due to work-hardening tendency, use low cutting speeds with continuous tool engagement and adequate cut depth to avoid work-hardened zones.
Packing
Corrosion Resistant High Strength Hot Rolled Inconel 625 Plate and Alloy 625 Sheet for Aerospace and Marine Applications 0
札:

GB 201のステンレス鋼の版

304ステンレス鋼のチェック模様のシート

316Lチェック模様のステンレス鋼 シート