Nickel Alloy · Austenitic · Duplex Steel

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ASTM B622 Alloy X UNS N06002 Seamless Pipe Wooden Case Packing

SSDSP29 - 1.4462 / 1.4410 Duplex Steel Seamless Pipe, 16 Inch Big Size With Annealed & Pickled Surface

Price: From $5000-9000USD/TON

Material: S32101, 1.4162; S32205, S31803, 1.4462; S32304, 1.4362, UNS S32304; S32750,1.4410, 2507, F53;

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ASTM B622 Alloy X UNS N06002 Seamless Pipe Wooden Case Packing


Specifications of Alloy X Seamless Pipe

FeatureDescription
Material GradeAlloy X / UNS N06002
StandardASTM B622 / ASME SB622
Outer Diameter (OD)8mm - 711mm
Wall Thickness (WT)1mm - 50mm
Max Length12 Meters
CertificationsISO 9001, PED 2014/68/EU, AD2000, M650
Testing100% PMI, UT, ET, Hydrostatic Test
PackingEnd protection/ Woven bags/ Wooden cases


MTSCO Beyond Just a Supplier

Founded in 2006 and headquartered in Jiaxing, near Shanghai and Ningbo ports, MTSCO ranks among the top three Chinese exporters of stainless steel piping, with annual sales exceeding $60 million. We hold prestigious certifications including ISO, PED, and M650. Every Alloy X (Nickel Alloy) seamless pipe supplied by MTSCO relies on a mature manufacturing system to ensure stable performance in extreme environments. MTSCO is deeply involved in international EPC projects such as FPSO P80 and P83. We provide cost-effective products backed by transparent supply chain oversight, featuring VR online factory audits and a 20-member resident QC team. Experience MTSCO's professional quality and service starting with your first inquiry.


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Where Alloy X Seamless Pipe Work Best?

Alloy X, a premier Nickel Alloy, is renowned for its exceptional oxidation resistance and high-temperature strength. It maintains stability in operating conditions below 1200°C and is widely utilized in aero-engine combustion chambers, afterburner components, and industrial furnace parts. Additionally, due to its excellent resistance to stress corrosion cracking, Alloy X is common in petrochemical and desalination equipment. MTSCO's seamless pipes have been successfully integrated into multiple FPSO projects and chemical processing facilities, effectively handling rigorous fluid transport environments.


Inspection Method: 100% PMI

To ensure every seamless pipe fully complies with ASTM B622 standards, we conduct 100% PMI (Positive Material Identification) testing on all incoming raw materials and finished products. Technicians use handheld spectrometers to sample both ends of the pipe, verifying the precise ratios of critical chemical elements such as Nickel, Chromium, and Molybdenum. This process eliminates the risk of material mixing and ensures performance certainty under high-pressure and high-temperature conditions. Every Alloy X pipe from MTSCO must pass this inspection, with data and photos archived for full quality traceability.


Seamless Pipe.jpg


How Do We Guarantee Absolute Quality?

Raw Material Re-verification: All materials originate from leading mills like Baosteel and TSINGSHAN. Upon arrival, we verify MTC certificates and conduct secondary physical and chemical analysis.

20-Member Resident QC Team: A professional quality control team is stationed at the production lines 24/7, strictly enforcing process cards to ensure every step meets technical specifications.

100% Pre-shipment Inspection: Beyond dimensional and visual checks, our protocol includes hardness testing, Eddy Current (ET), Ultrasonic Testing (UT), and Hydrostatic testing.

Secure Logistics Packaging: For long-distance ocean freight, we use woven bags and internal plastic caps to ensure zero-defect delivery.

Third-Party Inspection Support: MTSCO regularly coordinates on-site inspections with agencies like SGS, TUV, and BV to meet the stringent entry standards of EPC projects.


FAQ about Alloy X Seamless Pipe

Q1: What are the primary advantages of ASTM B622 Alloy X seamless pipes?
A1: Alloy X is a Nickel-Chromium-Iron-Molybdenum alloy offering superb high-temperature resistance and oxidation stability. It effectively resists stress corrosion cracking in petrochemical environments. MTSCO pipes are manufactured via precision cold drawing, ensuring superior dimensional tolerances and internal surface finish.

Q2: Are the pipes available with customized lengths and end treatments?
A2: Yes. MTSCO provides various lengths and end preparations, such as plain ends (PE) or beveled ends (BE), to facilitate easy on-site construction.

Q3: Do you support customized sizes for Alloy X seamless pipes?
A3: Yes. Beyond the standard OD range of 8mm to 711mm, we offer non-standard customization based on specific client drawings. Leveraging our Factory Complex supply model, MTSCO flexibly adjusts production schedules to meet urgent, small-batch, or multi-specification orders.

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