Steel Moulds For Concrete Blocks
2.Hardness for shoes:HRC59-62
3.Carburized layer thickness:1.3-1.5mm
4.Unilateral clearance between presser foot and mold cavity: 0.2 mm ≤ Unilateral clearance ≤ 0.4mm
5.Flatness of the whole board: ≤ 0.5mm
6.Deviation in length and width dimensions of a single cavity model: -0.3 to+0.3mm
7.The dimensional deviation of the height (filling depth) of the lower model cavity is ± 0.5mm
steel moulds for concrete blocks
Product Introduction
Our steel moulds for concrete blocks represent decades of engineering excellence combined with cutting-edge manufacturing technology. Each brick block mould we produce begins with carefully selected raw materials. We utilize vacuum-degassed alloy tool steels such as Cr12MoV and 9CrSi, materials specifically chosen for their optimal balance of hardness, wear resistance, and toughness. These premium steels undergo rigorous multi-directional forging processes that break down coarse internal grain structures, creating uniform, fine-grained material flows that serve as the foundation for exceptional durability.

Manufacturing Process
Precision machining defines the next phase of brick block mould creation. Our facility houses advanced CNC machining centers, wire EDM equipment, and precision grinding machinery capable of maintaining dimensional tolerances within ±0.01mm. Rough machining removes bulk material, semi-finishing ensures uniform stock allowance, and final finishing operations achieve mirror-polished surfaces with roughness values of Ra ≤0.4μm. This meticulous attention to surface quality ensures smooth demoulding and flawless brick finishes that require no post-production treatment.
The manufacturing journey of every steel concrete block mould continues through sophisticated heat treatment protocols. Our vacuum quenching processes achieve hardness ratings of 60-63 HRC while preventing surface oxidation and decarburization. Multiple tempering cycles eliminate internal stresses, enhancing the mould's ability to withstand the relentless pressures of continuous production. For clients demanding maximum longevity, we offer optional deep-cooling treatments to -196°C, transforming retained austenite into martensite and extending service life by over 30%.
After-Sales Service
We continue to support buyers after delivery. Services include:
- One-year warranty covering production defects,
- Technical guidance for installation and operation,
- Maintenance and refurbishment to extend service life,
- Supply of replacement inserts and spare parts.
This support helps keep production lines running with fewer interruptions.
Packaging and Transportation
Each mould is treated with anti-rust oil, wrapped in protective film, and packed in export-standard wooden crates. The packaging is designed to prevent vibration damage during long-distance transport.
Normal delivery time is about 20-25 working days. For urgent orders, faster production and shipment can be arranged.

Key features
- Dimensional accuracy and smooth surfaces
- Rational structure with high efficiency and automation compatibility
- Ease of manufacture, extended lifespan, and cost-effectiveness
- Process-appropriate and economically sound design
Our factory

Manufacturing

Delivery

workshop

Process
At Fujian Unik Mould Technology Co., Ltd., we don't merely manufacture steel concrete block mould equipment-we engineer production solutions that transform raw concrete into profitable, precision-built products. Our commitment to material science excellence, manufacturing precision, and comprehensive customer support ensures that every brick block mould leaving our facility delivers exceptional performance from the first cycle to the last. Partner with UNIK and discover how superior mould technology can elevate your entire operation.
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