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Ordinary pipe expanders cause severe surface scratches and out-of-tolerance ovality, requiring time-consuming secondary polishing and sizing. This significantly increases production costs and delays delivery. Our precision Diameter expansion mold eliminates these issues with one-step flawless forming.
This Pipeline expansion mold is forged from premium Carbide Tungsten Steel sintered via German ALD HIP technology. Ultra-mirror polished working surfaces (Ra≤0.02μm) prevent material adhesion and scratching, ensuring smooth pipe surfaces and consistent roundness.
Available in standard sizes and custom profiles for various pipe materials. Also offered as Carbide expansion joint pipe, Diameter Contraction Mold and Square Hole Stretch Mold for complete tube forming solutions.
Widely used in precision expansion processing of stainless steel, copper and aluminum pipes. Support custom drawings and special alloy grades. All orders are produced and shipped within 15 working days.
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Main Product:
Tungsten steel irregular die,
Tungsten steel strip,
Tungsten steel plate,
Tungsten steel round die,
Tungsten steel drawing die ,
Customization of non-standard parts of tungsten steel
