مكان المنشأ:
الصين
اسم العلامة التجارية:
YUHONG
إصدار الشهادات:
ISO 9001/TUV/PED
رقم الموديل:
أنبوب ASTM A269 TP316L
ASTM A269 TP316L Stainless Steel BA Tube For Oil and Gas Industry
1. ASTM A269 Standard Overview
2. Material Grade: TP316L
The grade TP316L in ASTM A269 is a low-carbon version of 316 stainless steel. The "L" denotes that it contains a maximum of 0.03% carbon, which enhances its resistance to welding corrosion and intergranular attack.
· TP316L offers improved corrosion resistance in chloride-containing environments, making it suitable for marine or chemical industries.
· It has excellent strength, toughness, and ductility over a wide range of temperatures.
3. Key Features of TP316L
· Superior Corrosion Resistance:
High resistance to general corrosion.
Excellent performance in environments containing chlorides, acids, and alkalis.
Resistant to pitting and crevice corrosion, especially in marine environments.
· Good Weldability:
Due to its low carbon content, the risk of sensitization (grain boundary carbide precipitation) is reduced during welding.
Post-weld annealing is typically not required unless used in very harsh environments.
· High-Temperature Performance:
Sustains mechanical performance and oxidation resistance at elevated temperatures.
· Longevity:
Designed to provide long operating life with minimal maintenance, especially in tough environments.
4. Chemical Composition
| Element | Carbon (C) | Chromium (Cr) | Nickel (Ni) | Molybdenum (Mo) | Manganese (Mn) | Silicon (Si) | Phosphorus (P) | Sulfur (S) | Iron (Fe) |
| Composition (%) | ≤ 0.03 | 16.0 - 18.0 | 10.0 - 14.0 | 2.0 - 3.0 | ≤ 2.0 | ≤ 0.75 | ≤ 0.045 | ≤ 0.03 | Balance |
5. Mechanical Properties
| Property | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (Rockwell B) |
| Value | ≥ 485 | ≥ 170 | ≥ 35 | ≤ 90 |
Applications of ASTM A269 TP316L Stainless Steel Tubes
Chemical Processing:
Marine Applications:
Oil and Gas Industry:
Power Plants:
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