Nickel Alloy C276 Heat Exchanger Tube With M650 ASTM B444 B622
SSNAT08 - ASTM B444 / B622 Alloy C276 Heat Exchanger Tube Nickel Alloy For Heat Exchanger
Price: From $37000-70000USD/TON
Get A QuoteNickel Alloy C276 Heat Exchanger Tube With M650 ASTM B444 B622
Meet MTSCO – Experts in Nickel Alloy Solutions
Established in 2006, MTSCO has been dedicated to the global industrial piping market for nearly 20 years. Our products have been successfully supplied to major international energy and chemical projects, such as FPSO P80/P83 and KUG. Backed by the manufacturing capabilities of our holding factory, HUXIN PIPE, we provide industrial metal solutions that meet demanding operational conditions for customers worldwide. MTSCO delivers more than just products; we offer reliability proven by audits from major global corporations. If you are seeking a stable supply chain and cost-effective nickel alloy solutions, please feel free to contact us.

Zero Defects: How Do We Ensure It?
Heat exchanger tubes demand exceptional internal integrity under high-pressure conditions; any minute internal crack can lead to critical failure. MTSCO utilizes advanced Ultrasonic Testing (UT) equipment to conduct 100% full-coverage scanning on every C276 seamless tube, strictly in accordance with ASTM B622 standards. This high-sensitivity, non-destructive testing method effectively identifies longitudinal and transverse defects within the tube wall, ensuring the delivered tubes are free from latent flaws and guaranteeing the long-term safe operation of your heat exchangers.
Key Specs at a Glance
Property | Details |
Product Name | Nickel Alloy C276 Heat Exchanger Tube |
Material Grade | UNS N10276 / Alloy C276 |
Standards | ASTM B622, ASTM B444, ASME SB622, ASME SB444 |
Manufacturing Process | Cold Rolled (Seamless) |
Outer Diameter (OD) | 3.18mm - 38mm (Imperial sizes available) |
Wall Thickness (WT) | 0.5mm - 3mm |
Length | Max 30m; |
Surface Finish | Bright Annealed (BA) |
Key Inspection | PMI Test, Ultrasonic Test, Eddy Current Test, Hydrostatic Test |
Physical Properties
Grade | Physical Property | |||
Y.S | T.S | EL. | HB | |
Alloy 600/N06600 | 205-345 | 550-690 | 35-55 | ≤185 |
Alloy 601/N06601 | 240-300 | 600-650 | 30-35 | ≤220 |
Alloy 625/N06625 | ≥345 | ≥760 | ≥30 | ≤220 |
Alloy 718/N07718 | ≥550 | ≥965 | ≥30 | ≤363 |
Alloy 800/N08800 | ≥210 | ≥500 | ≥35 | - |
Alloy 800H/N08810 | ≥180 | ≥450 | ≥35 | - |
Alloy 825/N08825 | ≥220 | ≥550 | ≥30 | ≤200 |
Alloy B/N10001 | ≥310 | ≥690 | ≥40 | - |
Alloy C22/N06022 | ≥283 | ≥690 | ≥40 | - |
Alloy C276/N010276 | ≥283 | ≥690 | ≥40 | - |
Chemical Composition
Grade | C | Si | Mn | P | S | Cr | Ni | Mo | Ti | N | Cu | Nb | Al | Co | Zr | Fe | Tu |
Alloy C276/N010276 | 0 | 0 | 1 | 0 | 0 | 14.5-16.5 | balance | 15-17 | - | - | - | - | - | - | 3 | 4-7 | 3.0-4.5 |
Alloy 600/N06600 | 0 | 1 | 1 | - | 0 | 14-17 | ≥72 | - | - | - | 1 | - | - | - | - | 6-10 | - |
Alloy 601/N06601 | 0 | 1 | 2 | - | 0 | 21.0-25.0 | 58-63 | - | - | - | 1 | - | 1.0-1.7 | - | - | - | - |
Alloy 625/N06625 | 0 | 1 | 1 | 0 | 0 | 20-23 | ≥58 | 8-10 | <0.4 | - | - | 3.15-4.15 | ≤0.4 | - | - | 5.00 remainder | - |
Alloy 718/N07718 | 0 | 0 | 0 | 0 | 0 | 17.0-21.0 | 50.0-55.0 | 2.8-3.3 | 0.65-1.15 | 0 | 0 | 4.75-5.5 | 0.2-0.8 | 1 | - | - | - |
Alloy 800/N08800 | 0 | 1 | 2 | - | 0 | 19-23 | 30-35 | - | 0.15-0.60 | - | 1 | - | 0.15-0.60 | - | - | ≥39.5 | - |
Alloy 800H/N08810 | 0.05-0.10 | 1 | 2 | - | 0 | 19-23 | 30-35 | - | 0.15-0.60 | - | 1 | - | 0.15-0.60 | - | - | ≥39.5 | - |
Alloy 825/N08825 | 0 | 1 | 1 | - | 0 | 19.5-23.5 | 38-46 | 2.5-3.5 | 0.6-1.2 | - | 1.5-3 | - | 0 | - | - | ≥22 | - |
Alloy B/N10001 | 0 | 1 | 1 | 0 | 0 | 1 | - | 2.8-3.3 | - | - | - | - | - | 25 | - | 4-6 | - |
Alloy C22/N06022 | 0 | 0 | 1 | 0 | 0 | 20.0-22.5 | balance | - | - | - | - | - | - | 25 | - | 2-6 | - |
FAQ
Q1: How is the nickel alloy tubing packaged to prevent damage during transit?
A1: Given the high value of C276 material and the wall thickness characteristics of heat exchanger tubes, we utilize high-strength wooden cases for fully enclosed packaging. MTSCO ensures each seamless tube is sleeved in plastic film and capped at both ends, protecting the cargo from impact and abrasion during global sea or air transport.
Q2: Do you offer cut-to-length or U-bending services?
A2: Yes. MTSCO can supply straight seamless tubes up to 30 meters in length or U-tubes with customized radii. Please feel free to contact us with your specific requirements.
Q3: Do you accept third-party inspections?
A3: Absolutely. We fully support on-site inspections by authoritative third-party agencies such as SGS, TUV, and BV prior to shipment. Our QC team will actively cooperate to ensure a smooth inspection process, giving you complete peace of mind upon receipt.
VIP SERVICE
VR (Virtual) Mill Introduction
Professional Remote Technical Guidanceion
Accept Third-party Inspection
Door to Door Shipment
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