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| Categories | Nickel Alloy Tube |
|---|---|
| Brand Name: | TORICH |
| Model Number: | Incoloy 840 |
| Certification: | API,CE,ISO,ISO9001-2008,ISO9001 |
| Place of Origin: | Zhejiang/China |
| MOQ: | 1Ton |
| Price: | 1000-1300 USD/Ton |
| Payment Terms: | L/C,D/A,D/P,T/T,Western Union,MoneyGram |
| Supply Ability: | 60000 Ton/Tons per Year |
| Delivery Time: | 20-30days upon products |
| Packaging Details: | In bundles or in wooden boxes. |
| Application: | Low Temperature Environment |
| Thickness: | 2 - 100 mm, |
| Technique: | Cold Drawn,Hot Rolled,Cold Rolled,ERW,Hot Rolled/Cold Drawn |
| Grade: | Incoloy 840 800 625 825 600 |
| Section shape: | Round,Rectangular |
| Outer diameter(round): | 17 - 660 mm |
| Length: | 6M or as requirement,As customer's require, |
| Company Info. |
| TORICH INTERNATIONAL LIMITED |
| Verified Supplier |
| View Contact Details |
| Product List |
Incoloy 840 is an austenitic nickel-chromium-iron alloy specially formulated for both high-temperature corrosion resistance and excellent low-temperature toughness, making it ideal for seamless pipe applications down to cryogenic conditions. Typical pipe sizes range from ½" to 24" OD with wall thicknesses from 0.035" to 0.5", supplied per major international standards. Below are detailed specifications, comparative composition and mechanical tables for five similar nickel-based alloys, key features, conformity standards across ASTM/EN/GOST/JIS/GB, and primary application domains with specific uses.
Incoloy 840 is a nickel-chromium-iron-based austenitic alloy, with controlled additions of titanium and aluminum for precipitation strengthening. Its balanced chemistry delivers superb corrosion resistance in both oxidizing and reducing environments, while maintaining ductility at temperatures as low as –196 °C
Product Form: Seamless pipe (ASTM B163/B423; ASME SB-163/SB-423)
Outer Diameter: ½" – 24" (12.7 mm – 610 mm)
Wall Thickness: 0.035" – 0.500" (0.9 mm – 12.7 mm)
Length: Up to 12 000 mm
Heat Treatment: Fully solution-annealed at 1 760 °F (960 °C)
Delivery Condition: Annealed and pickled
| Alloy | Ni | Cr | Fe | Ti | Al | C | Mn | Si | Mo | Nb+Ta | Cu | S | P |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Incoloy 840 (UNS N08840) | 19.0–22.0 | 19.5–21.0 | Balance | 0.15–0.60 | ≤ 0.15 | ≤ 0.12 | 0.80–1.50 | ≤ 1.50 | – | – | – | ≤ 0.015 | ≤ 0.030 |
| Incoloy 800 (UNS N08800) | 30.0–35.0 | 19.0–23.0 | ≥ 39.5 | 0.15–0.60 | 0.15–0.60 | ≤ 0.10 | ≤ 1.50 | ≤ 1.00 | – | – | ≤ 0.75 | ≤ 0.015 | ≤ 0.015 |
| Inconel 600 (UNS N06600) | ≥ 72.0 | 14.0–17.0 | 6.0–10.0 | – | – | ≤ 0.15 | ≤ 1.00 | ≤ 0.50 | – | – | ≤ 0.50 | ≤ 0.015 | ≤ 0.015 |
| Inconel 625 (UNS N06625) | ≥ 58.0 | 20.0–23.0 | ≤ 5.0 | ≤ 0.40 | ≤ 0.40 | ≤ 0.10 | ≤ 0.50 | ≤ 0.50 | 8.0–10.0 | 3.15–4.15 | ≤ 1.0 | ≤ 0.015 | ≤ 0.015 |
| Incoloy 825 (UNS N08825) | 38.0–46.0 | 19.5–23.5 | ≥ 22.0 | 0.60–1.20 | ≤ 0.20 | ≤ 0.05 | ≤ 1.0 | ≤ 0.50 | 2.5–3.5 | – | 1.5–3.0 | ≤ 0.03 | – |
| Alloy | Yield Strength (0.2% off., MPa) | Tensile Strength (MPa) | Elongation (%) |
|---|---|---|---|
| Incoloy 840 | 210–550 | 500–880 | ≤ 30 |
| Incoloy 800 | ≥ 275 | ≥ 600 | ≈ 45 |
| Inconel 600 | 360 | 730 | 39 |
| Inconel 625 | 820 | 1 165 | 36 |
| Incoloy 825 | 440 | 770 | 35 |
Cryogenic Toughness: Maintains ductility down to –196 °C.
Corrosion Resistance: Resistant to chloride stress-corrosion cracking, pitting, and crevice attack.
Oxidation Resistance: Forms stable oxide scale up to ~1 000 °C.
Precipitation Strengthening: Ti and Al additions deliver enhanced strength vs. standard austenitics.
Fabricability: Readily weldable and formable; seamless condition minimizes impurity ingress.
ASTM/ASME: B163/B423 (pipe), B407/B409 (tube), B424 (heat-exchanger tube); ASME SB-163/SB-423, SB-407/SB-409, SB-424.
EN: EN 10216-5 (nickel alloys, seamless tubes), EN 10204 3.1 certification.
GOST: GOST 9940-81 (nickel alloys tubes).
JIS: JIS G3459 (nickel alloy tubes for heat exchangers).
GB: GB/T 14975 (seamless steel pipes for high-temperature service).
Use: Process piping, reactors, heat exchangers, pickling tanks.
Why: Withstands acidic/alkaline media and cyclic temperatures.
Use: LNG storage and transfer lines, refrigerated process headers.
Why: Exceptional low-temp toughness and minimal ductile-brittle transition.
Use: Superheater/reheater tubes, boiler piping.
Why: High-temperature strength and oxidation resistance enable stable long-term service.
Use: Seawater cooling lines, exhaust stacks, fluid transportation.
Why: Pitting and crevice corrosion resistance in saline environments.
Use: Process piping, heat exchangers, sterilization systems.
Why: Cleanliness, corrosion resistance, and weldability ensure hygienic operation.
A: manufacturer,also can do trading.
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
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