Material Selection for Butt Weld Fittings Choosing the right material is the first step in selecting...
At GX FITTING, quality is forged through precision and fire. This vivid image from our production floor showcases large-diameter forged flanges emerging glowing hot from our advanced heat treatment furnace.
Heat treatment is the critical phase that restores the material's microstructural integrity after heavy forging. By applying rigorous thermal cycles—including normalizing, tempering, and solution annealing—we eliminate residual internal stresses, refine grain boundaries, and optimize mechanical strength.
What Makes Our Thermal Processing Stand Out?
Uniform Heating for Large Dimensions: Our digital PLC-controlled trolley-hearth furnaces guarantee precise temperature uniformity (±5°C) for large-diameter flanges and heavy-wall fittings.
Superior Mechanical Properties: Ensures exceptional yield strength, high pressure resistance, and Charpy V-notch impact toughness (down to -46°C).
Rigorous Metallurgical QA: Every heat-treated lot undergoes strict hardness testing, tensile verification, and grain size analysis, certified with EN 10204 3.1 / 3.2 MTCs.
Whether for offshore oil platforms, high-pressure pipelines, or chemical refineries, our heat-treated components are built to perform under the harshest conditions.

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