Custom tungsten steel Diameter expansion mold Pipe expansion

Custom Tungsten Steel Diameter Expansion Mold | No Scratch Pipe Expander 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. Al…

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