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This solution annealed stainless steel elbow is heat treated to restore a uniform austenitic structure and remove forming stresses. By controlling the heat treatment cycle, the annealed stainless steel elbow maintains its corrosion resistance, toughness and dimensional stability, making it a reliable heat treated pipe fitting.
Cold and hot forming leaves residual stress that invites cracking and corrosion, so every heat treated stainless steel elbow is solution annealed and quenched before pickling. The documented heat treatment curve allows buyers to trace the process behind each annealed pipe fitting used in hygienic and high purity lines.
Product Specifications
Parameter
Value
Material
Stainless Steel 316L
Heat Treatment
Solution Annealed + Quenched
Standard
ASME B16.9 / ASTM A403
Connection
Butt Weld / Threaded
Size Range
DN15 - DN500
Surface
Pickled & Passivated
Hardness
Controlled to specification
Application
Hygienic and high purity lines
Test
PMI and Hydrostatic
Packing
Wooden case
Key Advantages
Uniform austenitic structure after solution annealing
Removes forming stress to resist stress corrosion cracking
Retains corrosion resistance and toughness in service
Documented heat treatment curve for full traceability
Stable dimensions reduce assembly rework
Clean pickled surface suits hygienic pipework
Applications
Pharmaceutical and biotech piping
Food and dairy process lines
Semiconductor high purity water
Chemical reactors and vessels
Sanitary CIP and cleaning loops
Marine and offshore process piping
Frequently Asked Questions
Q: What heat treatment is applied to this stainless steel elbow?
A: The heat treated stainless steel elbow is solution annealed and quenched, giving the annealed pipe fitting a uniform structure and restored corrosion resistance.
Q: Why is solution annealing important?
A: Solution annealing removes forming stress and carbide precipitation, so the annealed stainless steel elbow resists cracking and maintains reliable corrosion performance.
Q: Can I get the heat treatment record?
A: Yes. Each heat treated stainless steel elbow ships with a documented heat treatment curve and mill test certificate for traceability.
Q: Is this suitable for hygienic service?
A: The pickled, solution annealed stainless steel elbow is suited to hygienic and high purity pipe fitting duties where clean, stable metal is essential.
For distributors and OEM buyers, this stainless steel elbow can be supplied in repeat quantities with consistent material and matched tolerances, ensuring predictable reordering of the same solution annealed heat treated specification. Our engineers review every inquiry and confirm the stainless steel elbow drawing before production begins, maintaining alignment with ASME B16.9 / ASTM A403 standards and agreed solution annealed heat treated requirements.
Quality Assurance
Quality is controlled at every stage of producing this stainless steel elbow. From incoming inspection of the Stainless Steel 316L through forming and final testing, each step is recorded so the stainless steel elbow you receive can be traced back to its heat number. Before packing, the stainless steel elbow is dimensionally checked and put through PMI and Hydrostatic testing, and a mill test certificate accompanies every shipment. This disciplined solution annealed heat treated process is why buyers return to us for dependable stainless steel elbows.
Packing and Service
Each stainless steel elbow is protected for ocean freight and packed to keep edges and seal faces intact in transit. We support OEM marks, custom sizes and mixed containers, and our export team provides solution annealed heat treated stainless steel elbow quotations, lead times and packing plans within one working day. Sampling is available so you can approve the stainless steel elbow before placing a bulk order.
Q: How is quality controlled for this stainless steel elbow?
A: The stainless steel elbow is inspected from raw material through final PMI and Hydrostatic testing, and the solution annealed heat treated process is documented so the stainless steel elbow can be traced to its heat number before shipment.
Q: What documents accompany this stainless steel elbow?
A: Every stainless steel elbow ships with a mill test certificate and inspection report, providing the traceability expected of a solution annealed heat treated stainless steel elbow for hygienic and high purity lines.
Tell us your purity or service requirement and we will supply this solution annealed stainless steel elbow with full heat treatment documentation.
TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ... TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ...
