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This high-chromium plastic mould steel is specifically designed for environments demanding exceptional corrosion resistance and high wear resistance. Often recognized as a reliable stainless tool steel equivalent to AISI 420 or 4Cr13. It delivers outstanding performance when dealing with humidity or chemically aggressive plastics. The material maintains impressive dimensional stability during heat treatment while ensuring good machinability. Clients receive this grade in an annealed state. It is ready to reach a hardness of 48-52 HRC after the hardening process.
Production Route: | EAF+LF+VD or +ESR, Forged or Hot Rolled |
Heat Treatment: | Quenched+ Tempered or Annealed |
Hardness: | 28-32HRC or ≤ 245HB or acc. to customer requirement |
UT Standards: | Sep 1921 Class3 D/d or E/e |
Surface Condition: | Black surface or machined |
Size Range: | |||
Flat | Round | ||
Forged | Thickness: | 150-500mm | Φ200-550mm |
Width: | 400-1600mm | ||
Rolled | Thickness: | 12-150mm | Φ12-200mm |
Width: | 150-2300mm | ||
Chemical Composition | C | Si | Mn | Cr | P | S |
4Cr13 | 0.36~0.45 | ≤0.60 | ≤0.80 | 12.0~14.0 | ≤0.03 | ≤0.03 |
1.2083 | 0.36~0.42 | ≤1.00 | ≤1.00 | 12.5~14.5 | ≤0.03 | ≤0.03 |
S136 | 0.38~0.43 | 0.60~1.30 | 0.20~0.70 | 13.0~14.5 | ≤0.03 | ≤0.03 |
When producing components interacting with acidic environments, our 1.2083 plastic mould steel offers reliable protection against rust. The chemical composition incorporates a significant chromium content, effectively preventing surface degradation over extended production cycles. Tooling elements remain pristine even when operating in humid conditions or processing corrosive materials. This inherent stability significantly reduces maintenance downtime while extending the overall operational lifespan of your vital tooling assets.
Attaining a mirror-like surface finish is crucial for high-precision injection tasks. The advanced metallurgical structure of our 420 stainless tool steel allows technicians to achieve superior optical finishes effortlessly. This smooth surface directly translates to flawless final plastic parts, eliminating extensive secondary polishing operations. Precision components molded from this material consistently meet the strict aesthetic requirements demanded by advanced medical and optical industries.
Minimizing distortion during complex thermal treatments ensures your tooling retains precise geometric tolerances. The carefully balanced alloy formulation guarantees the material responds predictably during quenching and tempering procedures. Such consistency is vital for intricate tooling designs where microscopic deviations cause complete assembly failures. Our 4Cr13 steel plate offers the structural integrity needed to withstand high-pressure injection molding without compromising dimensional accuracy.
Manufacturing with materials like PVC or acetal resins naturally releases acidic gases that degrade standard metals. Utilizing our corrosive plastic processing material effectively neutralizes these chemical attacks during continuous production runs. The robust surface withstands chemical abrasion, ensuring the cavity remains perfectly intact over thousands of cycles. Toolmakers consistently choose this resilient option to guarantee uninterrupted output when handling chemically aggressive thermoplastic compounds.
High-hygiene standards demand tooling materials that strictly prevent any trace of contamination or rust. Creating surgical instruments and high-precision lenses requires the exceptional polishability found in this high-chromium plastic mould steel. The resulting flawless surface finish ensures optimal optical clarity for lenses and absolute sterility for medical devices. Tooling engineered from this grade guarantees the uncompromising quality necessary for critical healthcare and advanced visual equipment.
Creating packaging solutions for the food sector necessitates rust-prevention materials to comply with strict safety regulations. Molds crafted from this durable alloy easily meet these stringent hygiene requirements while resisting long-term wear. Serving as robust inserts in complex tool assemblies, these components easily endure demanding high-volume production schedules. The consistent durability minimizes the need for frequent part replacements, optimizing your entire manufacturing efficiency and output.
ShengHe Metal operates as the dedicated sales division of Hubei Zhongye Mill. We encompass a massive forging facility spanning 1.6 million square meters for extensive industrial operations. Our integrated manufacturing chain features advanced equipment including a 40-ton EBT furnace alongside heavy-duty forging presses. This comprehensive in-house capability allows us to strictly control material quality and production costs simultaneously. We consistently deliver premium custom solutions that seamlessly align with your exact engineering specifications.
With over 15 years of steel exporting experience, we maintain a robust global supply network. To accommodate urgent requirements, our warehouse constantly holds over 3000 tons of regular inventory. This expansive inventory features various custom tool and mold steels ready for immediate dispatch. Alongside primary raw materials, our dedicated machining facility provides precision cutting for finished components. You can confidently rely on our extensive resources and independent testing laboratory for strict international compliance.
We operate our own massive steel production mill covering 1.6 million square meters while maintaining extensive regular stock. We also feature a specialized machining factory to provide precision finished mold plates and comprehensive custom components.
We actively produce materials according to universally recognized standard frameworks including GB, DIN, ASTM, AISI, EN, ISO, and JIS. Our extensive capabilities cover a wide spectrum of grades to fulfill diverse international engineering requirements.
We primarily serve global tool steel wholesalers, regional stockists, large-scale automotive mold producers, and precision tool manufacturers. Our integrated supply chain seamlessly supports diverse clients operating within demanding industrial sectors.
We sincerely invite prospective partners to schedule a comprehensive mill tour whenever you travel to China. Experiencing our advanced production facilities firsthand demonstrates our unwavering commitment to industrial excellence.
All products undergo rigorous pre-shipment inspections conducted by our professional internal quality control engineering team. We consistently apply ultrasonic testing procedures to all materials according to strict international safety and quality standards.
Our minimum order quantity for each specific shipment is approximately 25 tons, which perfectly fills one standard container. Clients have the full flexibility to mix various types of steel to reach this required volume.
We gladly provide complimentary product samples to help you thoroughly evaluate our material quality before ordering. The purchasing client simply covers the associated express delivery costs for these evaluation specimens.
