Nickel/Super Alloy Pipe Manufacturer

Nickel/Super Alloy Pipe Nickel/Super Alloy Pipe Nickel/Super Alloy Pipe

Nickel/Super Alloy Pipe

  1. Full material portfolio: Nickel‑base, super austenitic & duplex steel grades for severe corrosive working environments
  2. Dimension compliance: seamless OD 6‑450 mm, wall 0.8‑40 mm; welded pipe available for large‑diameter requirements
  3. Multiple surface options: pickling, bright annealing, electrolytic polishing to match different project specification
  4. Global standard certification: ASTM B407/B619/B729, ASME SB‑407, EN 10216‑5 for international EPC projects
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Product Overview

Nickel/Super Alloy Pipe is a high-performance seamless and welded pipe solution made from nickel-base alloys, super austenitic stainless steel, and duplex stainless steel. It is designed for severe corrosive environments where conventional pipe materials cannot meet requirements for corrosion resistance, chemical stability, and long-term service performance.

The product covers a wide material portfolio including Inconel, Hastelloy, Monel, super austenitic alloys, and duplex steel grades. Typical grades include Inconel 600, Inconel 625, Inconel 718, Hastelloy B2/C22/C276/X, Monel 400/K500, 904L, 254SMO, 2205, and 2507 to meet different industrial corrosion conditions.

Manufactured according to ASTM B407, ASTM B619, ASTM B729, ASME SB-407, and EN 10216-5 standards, Nickel/Super Alloy Pipe supports demanding applications requiring reliable corrosion resistance and material stability.

The seamless pipe range covers OD 6-450mm with wall thickness from 0.8-40mm, while welded super alloy pipe is available for larger diameter requirements. Surface options include pickling, bright annealing, and electrolytic polishing according to project specifications.

Nickel/Super Alloy Pipe

Chemical & Mechanical Property Snapshot

Grade UNS No. / W.Nr C (%) Ni (%) Cr (%) Mo (%) Cu (%) Yield Strength Rp0.2 (MPa) Tensile Strength Rm (MPa) Elongation A (%)
Inconel 600 N06600 / 2.4816 ≤0.15 ≥72 14–17 — — ≥240 ≥550 ≥30
Inconel 625 N06625 / 2.4856 ≤0.10 Rem 20–23 8–10 — ≥410 ≥830 ≥30
Inconel 718 N07718 / 2.4668 ≤0.08 Rem 17–21 2.8–3.3 — ≥825 ≥1270 ≥12
Hastelloy B2 N10665 ≤0.02 Rem ≤1 26–30 — ≥350 ≥760 ≥40
Hastelloy C22 N06022 ≤0.015 Rem 20–22.5 12.5–14.5 — ≥310 ≥690 ≥45
Hastelloy C276 N10276 / 2.4819 ≤0.02 Rem 14.5–16.5 15–17 — ≥280 ≥690 ≥40
Hastelloy X N06002 ≤0.15 Rem 20.5–23 8–9 — ≥240 ≥550 ≥27
Monel 400 N04400 / 2.4360 ≤0.30 Rem — — 28–34 ≥170 ≥480 ≥35
Monel K500 N05500 ≤0.25 Rem — — 27–33 ≥620 ≥900 ≥20
904L N08904 / 1.4539 ≤0.02 23–28 19–23 4–5 1–2 ≥220 ≥490 ≥35
254SMO S31254 ≤0.02 17.5–18.5 19.5–20.5 6–6.5 0.5–1 ≥300 ≥650 ≥35
2205 Duplex S32205 / 1.4462 ≤0.03 4.5–6.5 21–23 2.5–3.5 — ≥450 ≥620 ≥25
2507 Duplex S32750 / 1.4410 ≤0.03 6–8 24–26 3–4 — ≥550 ≥800 ≥15

Detailed Technical Specifications

Category Details
Product Name Nickel / Super Alloy Pipe
Product Type Seamless and welded nickel-base alloy pipe, super austenitic stainless steel pipe, duplex stainless steel pipe
Executive Standards ASTM B407, ASTM B619, ASTM B729, ASME SB-407, EN 10216-5
Nickel-Base Inconel Grades Inconel 600 (N06600 / 2.4816), Inconel 625 (N06625 / 2.4856), Inconel 718 (N07718 / 2.4668)
Hastelloy Grades Hastelloy B2 (N10665), Hastelloy C22 (N06022), Hastelloy C276 (N10276 / 2.4819), Hastelloy X (N06002)
Monel Grades Monel 400 (N04400 / 2.4360), Monel K500 (N05500)
Super Austenitic Grades 904L (N08904 / 1.4539), 254SMO (S31254)
Duplex Steel Grades 2205 (S32205 / 1.4462), 2507 (S32750 / 1.4410)
Seamless Pipe Size Outer Diameter: 6–450 mm
Wall Thickness 0.8–40 mm
Welded Pipe Large-diameter welded pipe available
Surface Finishing Pickled surface, bright annealed finish, electrolytic polishing
Pipe End Condition Plain end / beveled end for welding, plastic protective end caps
Mandatory Test Chemical analysis, tensile test, hardness test, hydrostatic test, ultrasonic testing (UT)
Optional Test PMI positive material identification, PT / MT non-destructive testing
Quality Documents Mill Test Certificate including heat number, chemical composition, mechanical test results, and NDT records
MOQ (Minimum Order Quantity) 5 Tons; mixed grades and mixed sizes acceptable upon negotiation
Trade Terms EXW, FOB, CFR, CIF
Payment Terms T/T, irrevocable L/C at sight
Packing Plastic end caps for both pipe ends, anti-rust kraft paper wrapping, high-strength steel strip bundling, seaworthy export wooden pallet / wooden case packaging
Lead Time 25–40 working days after receipt of deposit
Additional Service Saw cutting to fixed length, PMI testing, custom marking, special profile fabrication according to customer drawings

Shape Options

Shape Type Description & Typical Application
Round Standard seamless round tube, widely used for fluid pipelines, boilers, hydraulic systems, and general structural projects
Square Equal-side hollow square section, suitable for building frames, machinery supports, and heavy-load structural components
Rectangular Unequal-side rectangular hollow section, ideal for beams, brackets, and vehicle chassis structural parts
Hexagonal Hexagonal cross-section, suitable for drive shafts, mechanical fittings, and direct assembly without additional machining
Oval / Flat Oval Oval hollow profile, used for automotive parts, agricultural machinery, and special frame structures
Special Custom Shaped D-shaped, triangular, splined inner bore, lemon-shaped, and other non-standard profiles; custom production available according to customer drawings and samples

Dual‑unit Dimension Reference T

Outer Diameter (mm) Outer Diameter (inch) Wall Thickness (mm) Wall Thickness (inch)
6 0.236″ 0.8–2.0 0.031″–0.079″
12.7 0.50″ 1.0–3.0 0.039″–0.118″
21.3 0.84″ 1.5–4.0 0.059″–0.157″
33.7 1.33″ 2.0–6.0 0.079″–0.236″
42.4 1.67″ 2.0–8.0 0.079″–0.315″
60.3 2.37″ 2.5–10 0.098″–0.394″
88.9 3.50″ 3.0–12 0.118″–0.472″
114.3 4.50″ 3.0–16 0.118″–0.630″
168.3 6.63″ 4.0–20 0.157″–0.787″
219.1 8.63″ 5.0–25 0.197″–0.984″
273 10.75″ 6.0–30 0.236″–1.181″
323.9 12.75″ 8.0–35 0.315″–1.378″
406.4 16.00″ 10–40 0.394″–1.575″

Product Comparison Table

Grade UNS / W.Nr No. Equivalent Standard Key Feature Typical Application
Inconel 600 N06600 / 2.4816 ASTM B407 Good high-temperature oxidation resistance Heat-treatment furnace components, chemical pipelines
Inconel 625 N06625 / 2.4856 ASTM B407 High strength and excellent corrosion-fatigue resistance Offshore marine equipment, seawater desalination
Inconel 718 N07718 / 2.4668 ASTM B407 High-strength precipitation-hardening alloy Aerospace, high-pressure and high-temperature piping
Hastelloy B2 N10665 ASTM B619 Strong resistance to reducing acids, especially hydrochloric acid Hydrochloric acid chemical processing pipelines
Hastelloy C22 N06022 ASTM B619 Versatile resistance to both oxidizing and reducing media Multi-purpose chemical reaction equipment piping
Hastelloy C276 N10276 / 2.4819 ASTM B619 Excellent resistance to pitting, crevice corrosion, and FGD flue-gas environments Flue-gas desulfurization (FGD), waste-gas treatment
Hastelloy X N06002 ASTM B407 Excellent high-temperature oxidation and creep resistance Furnaces, gas-turbine high-temperature components
Monel 400 N04400 / 2.4360 ASTM B729 Good resistance to seawater and hydrofluoric acid corrosion Seawater cooling pipelines, marine equipment
Monel K500 N05500 ASTM B729 Age-hardened alloy with higher strength than Monel 400 Marine pump shafts, high-strength seawater piping
904L N08904 / 1.4539 EN 10216-5 Super-austenitic alloy resistant to sulfuric and phosphoric acid media Hydrometallurgy pickling lines, chemical plants
254SMO S31254 EN 10216-5 High-molybdenum alloy with extreme chloride corrosion resistance Seawater, brine, severe chloride-containing media
2205 Duplex S32205 / 1.4462 EN 10216-5 Duplex structure with high mechanical strength and chloride resistance Oil & gas, desalination, seawater systems
2507 Duplex S32750 / 1.4410 EN 10216-5 Super duplex alloy with higher strength and corrosion resistance Sour oil & gas well piping, high-salinity seawater projects

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FAQs

Nickel/Super Alloy Pipe is mainly used in seawater desalination, sour gas oilfield systems, chemical processing, FGD equipment, nuclear power, aerospace, and deep-sea engineering applications.

Available materials include Inconel, Hastelloy, Monel, 904L, 254SMO, 2205, and 2507 grades.

The product is manufactured according to ASTM B407, ASTM B619, ASTM B729, ASME SB-407, and EN 10216-5 standards.

Seamless pipes are available with OD 6-450mm and wall thickness 0.8-40mm. Welded pipes can be supplied for larger diameter requirements.

Surface options include pickling, bright annealing, and electrolytic polishing according to customer requirements.

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