YUHONG GROUP Orders ASTM A312 TP316L Stainless Steel Seamless Pipes

ASTM A312 is a standard specification for seamless, welded, and heavily cold-worked austenitic stainless steel pipes intended for high-temperature, high-pressure, and corrosive service applications.

As a molybdenum-bearing, low-carbon austenitic stainless steel, TP316L upgrades TP304’s corrosion resistance by adding 2.0–3.0% molybdenum and limiting carbon content to ≤0.03%.

TP316L Key Characteristics

1. Excellent Weldability

2. Superior Corrosion Resistance

*The key differentiator from TP304—molybdenum enhances resistance to pitting and crevice corrosion in chloride-rich environments (e.g., seawater, brine, chemical process streams).

*The carbon content is limited to 0.03% max, which eliminates the risk of sensitization (chromium carbide precipitation at grain boundaries) during welding or prolonged high-temperature exposure.

*Resists general corrosion in atmospheric, aqueous, and mild acidic/alkaline environments.

3. Good High-Temperature Performance

*TP316L maintains mechanical strength and oxidation resistance at temperatures up to 870°C (1600°F), suitable for high-temperature process piping and exhaust systems.

4. Favorable Mechanical Properties

5. Biocompatibility and Hygiene

*TP316L is non-toxic, non-reactive, and easy to sanitize, making it a preferred material for food and beverage processing, pharmaceutical manufacturing, and medical device components.

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