ASTM B167 Alloy 600 Nickel Alloys Seamless Tubing

UNS N06600 Alloy 600 Nickel Alloy Seamless Tube Bright Annealing

About MTSCO

MTSCO began its business by exporting industrial metal piping products. Since its establishment in 2006, the company has consistently supplied pipes, tubes, fittings, and flanges to overseas industrial markets.

MTSCO is located in Jiaxing, Zhejiang Province, China, with facilities situated near the ports of Shanghai and Ningbo. Our in-house teams covering sales, technical support, procurement, production coordination, QC, documentation, and logistics, which manage the entire process from initial inquiry and order execution to final export shipment.

Bright Annealing Process

Bright annealing is a critical heat treatment step in the production of Alloy 600 seamless tubes. After cold rolling or cold drawing, the tubes undergo annealing in a furnace with a controlled protective atmosphere. This process improves the material's condition following cold working, ensuring optimal ductility and surface quality.

For applications involving heat exchangers, high-temperature equipment, and precision piping, bright-annealed seamless tubes offer superior surface appearance and cleanliness.

Specification

How Do We Ensure Product Quality?

·Raw Material Control

Upon arrival, raw materials are verified against their Material Test Certificates (MTC), material grades, and specifications. PMI testing is conducted in accordance with order requirements to confirm the Alloy 600 material matches procurement specifications.

·In-Production Control

Our QC team monitors key processes such as cold drawing, bright annealing, and straightening and tracks production status via process cards.

·Pre-Shipment Inspection

Before shipment, we inspect dimensions (OD, wall thickness, length), surface quality, markings, and packaging. We can also arrange tests such as ET (Eddy Current Testing), UT (Ultrasonic Testing), hydrostatic testing, and PMI to ensure the product meets all order and testing requirements.

Packing Of Alloy 600 Seamless Tubes

Where Can Our Tubes Be Used?

UNS N06600 Alloy 600 seamless tubes are commonly used in heat exchangers, industrial furnaces, heat treatment equipment, chemical processing, and high-temperature piping systems. These applications typically involve high temperatures, oxidizing atmospheres, or corrosive media.

FAQ

Q1: Can third-party inspections be arranged?

A1: Certainly. We fully support on-site pre-shipment inspections by authoritative third-party agencies such as SGS, TUV, and BV. Our QC team will actively cooperate to ensure a smooth inspection process, giving you greater peace of mind upon receipt of the goods.

Q2: What is the difference between bright annealing and standard annealing?

A2: Bright annealing is typically performed in a protective atmosphere, preventing the formation of significant oxide scale on the tube surface. The finished product features a brighter, cleaner surface, making it suitable for tubing applications that demand high surface quality.

Q3: What tests are typically performed on seamless tubes before shipment?

A3: Tests such as PMI, ET, UT, hydrostatic testing, dimensional checks, and visual inspections can be arranged. Specific testing requirements are determined based on the order specifications, product standards, and intended application.