P20 718H plastic mold steel round bar is a vacuum-melted, pre-hardened chromium-nickel-molybdenum alloy steel delivered ready for machining at a highly stable 28-38 HRC range. KUTU provides premium-grade P20 718H plastic mold steel round bar specifically engineered for manufacturing precision mold cores, long ejector pins, and internal structural core pins in high-volume plastic injection tooling.
By eliminating the risks, distortion, and costs associated with post-machining heat treatment, this steel bar streamlines the workflow for precision tooling factories. The deliberate nickel addition ensures uniform core hardness from the outer skin to the very center of large-diameter bars, allowing global tool makers to achieve high gloss photo-etching textures and excellent mirror polishing for premium automotive interior and consumer goods molds.
A：Absolutely. Beyond supplying raw materials, we provide full custom precision machining services. This includes CNC milling, grinding, surface flattening, and custom vacuum heat treatment tailored to your exact blueprints. We deliver near-net-shape blocks to save your production time.
A：Yes, our facility is equipped with heavy-duty CNC milling machines, high-precision grinding machines, and automated sawing systems. We supply not only raw tool steel plates but also fully machined mold bases and custom-sized steel blocks according to your industrial specifications.
A: Our comprehensive service covers everything from steel grade selection consulting to custom cutting, precision machining, and full internal ultrasonic testing (SEP 1921-84). This ensures global toolmakers receive ready-to-use materials with guaranteed quality.
A： Yes, absolutely. We understand that tool and mold steel reliability is critical to your tooling life and production stability. We provide free material samples (standard test blocks or small discs) for metallurgical analysis, chemical composition testing, and hardness verification. You can place a sample request via our chat or contact forms.
A： While the steel material itself is 100% free, international express freight (via DHL, FedEx, or UPS) is typically covered by the buyer. You can provide your courier account number for freight collect. Our Premium Policy: The exact shipping cost you paid for the sample will be 100% credited back and deducted from your first bulk trial order invoice, making the entire sample process completely risk-free for you.
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