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Presenting our 1.2085 Plastic Mold Steel, engineered for demanding industrial environments. This martensitic stainless tool steel features added sulfur, guaranteeing superior machinability compared to standard 1.2083 grades. Supplied in a pre-hardened condition ranging from 280 to 325 HB (28-34 HRC), it eliminates subsequent heat treatment needs, streamlining your project timeline. It delivers outstanding resistance to atmospheric corrosion and acidic plastics, ensuring uniform hardness and excellent dimensional stability for your components.
Production Route: | EAF+LF+VD,Forged or Hot Rolled |
Heat Treatment: | Quenched+ Tempered |
Hardness: | 28-34HRC |
UT Standards: | Sep 1921 Class3 D/d or E/e |
Surface Condition: | Black surface or machined |
Size Range: | |||
Flat | Round | ||
Forged | Thickness: | 150-400mm | Φ200-400mm |
Width: | 400-1600mm | ||
Rolled | Thickness: | 12-150mm | Φ12-200mm |
Width: | 150-2300mm | ||
Chemical Composition | C | Si | Mn | Cr | Ni | P | S | Mo |
1.2085 | 0.28~0.38 | ≤1.00 | ≤1.40 | 15.00~17.00 | ≤1.00 | ≤0.03 | 0.05~0.10 | |
SUS420F | 0.26~0.40 | ≤1.00 | ≤1.25 | 12.00~14.00 | ≤0.60 | ≤0.06 | ≥0.15 | ≤0.60 |
The calculated addition of sulfur in our pre-hardened mold steel significantly enhances its core cutting and milling characteristics. This deliberate structural optimization effectively reduces tool wear and accelerates the machining process across your entire production floor. Your specialized workshop will directly benefit from higher material throughput and considerably lower operational costs during complex tool creation without sacrificing structural integrity.
Operating in severely humid atmospheres or processing acidic compounds poses absolutely no challenge for this advanced steel grade. It actively resists surface degradation from polyvinyl chloride and other chemically aggressive industrial plastics during daily operation. This inherent chemical stability effectively prevents internal cooling channel rust and substantially extends the reliable working life of your most critical mechanical components and inserts.
Our martensitic stainless steel provides an incredibly uniform structural foundation that firmly resists warping under intense operational stress. It confidently retains strict physical tolerances even after you perform extensive mechanical processing and shaping. This highly dependable internal stability makes it a remarkably efficient choice for constructing robust structural frames and precise backing plates in demanding manufacturing sectors.
Constructing exceptionally reliable mold bases requires premium materials that can withstand continuous mechanical stress and heavily resist ambient moisture. Our specialized steel is perfectly suited for heavy-duty bolsters and durable frames operating under persistent damp conditions. It actively ensures your critical core tooling inserts remain securely supported without the constant risk of localized surface corrosion.
Processing highly aggressive materials like industrial polyvinyl chloride demands specialized tooling solutions built for absolute longevity. Our steel is specifically engineered to handle these potent acidic compounds without experiencing rapid surface degradation. It is highly recommended for commercial applications where profound chemical resistance is heavily prioritized over achieving a flawless high-mirror polish finish.
Humid production settings strictly require resilient mechanical parts that will not unexpectedly fail due to atmospheric rust. You can confidently utilize our corrosion-resistant steel for creating durable industrial spacers, heavy support plates, and various standard mold components. It reliably provides a permanently rust-resistant metallic foundation for your complex mechanical engineering assemblies and critical infrastructure.
ShengHe Metal operates closely with the Hubei Zhongye Mill, encompassing a massive 1.6 million square meter industrial facility. We utilize highly advanced metallurgical equipment including heavy 40-ton EBT and massive forging presses up to 5000 tons. This comprehensive internal industrial chain confidently ensures consistent material quality and strict cost control for your raw material supply.
We relentlessly implement a rigorous four-step quality inspection procedure from initial pre-production through to pre-shipment loading. Our dedicated independent laboratory utilizes professional engineers to conduct precise chemical analysis, microstructure evaluation, and strict UT testing to Sep 1921 Class 3 D/d or E/e standards. You always receive highly eligible materials meeting exacting international specifications.
With over fifteen successful years of global export experience, our team deeply understands international procurement needs. We consistently maintain a regular stock of around 2000 tons of premium tool and mold bases steel for immediate dispatch. Our highly flexible minimum order quantity of one container allows you to confidently mix different steel grades efficiently.
We supply the material in a quenched and tempered, pre-hardened condition. The typical hardness ranges precisely from 280 to 325 HB, equivalent to 28 to 34 HRC.
This grade is not designed for high-mirror polishing due to its sulfur content. It remains better suited for structural components prioritizing machinability and corrosion resistance.
You can request the material with a standard black surface or opt for machined finishes. We provide turned, peeled, grinded, or precision milled surfaces based on requirements.
We conduct thorough internal testing in our independent laboratory, covering ultrasonic testing and chemical analysis. We also readily accommodate third-party inspection services for your complete assurance.
The minimum order quantity is approximately 25 tons, representing one standard shipping container. You have the total flexibility to mix different types of steel to reach this volume.
