Place of Origin: Hebei

Brand Name: Storan

Model Number: 1005

Material: Granite

Color: Black

Packaging: Plywood Box

Port: Tianjin

Size: Customized

Function: Test Measurement

Shipping: By Sea

Keyword: Granite 00 grade table (customized)

Packaging Details: Plywood

Supply Ability: 1,200 Pieces per Day

Grade: 00

Density (reference): 2,500–2,600 kg/m³

Customized: Yes

Hardness: More than HS70

Compressive Strength (reference): 245–254 N/m

Water Absorption (reference): Less than 0.13%

Elastic Coefficient (reference): 1.3–1.5 × 10⁶ kg/cm²

Application: Industrial measurement, laboratory use, precision parts assembly, and vehicle maintenance

Granite Measurement Platform: Why 00 Grade Precision Is Critical for Industrial Inspection

In precision manufacturing, an inspection platform is more than a tool—it is the foundation of quality control. Storan’s granite measurement platform with 00 grade precision raises the standard for industrial accuracy, meeting the critical requirement for reliable performance in applications where even micron-level deviations can affect results. Here is why 00 grade precision is essential in modern manufacturing.

The Uncompromising Standard of 00 Grade Precision

A 00 grade platform inspection delivers flatness tolerances as low as 1 μm (for a 100 × 100 mm surface), making it indispensable for industries such as aerospace, semiconductors, and medical device production. Unlike lower grades, 00 precision removes uncertainty: the dimensional accuracy, flatness, and perpendicularity of each component are verified against a reference surface that resists thermal expansion, vibration, and wear. For example, in aerospace engine assembly, where tight tolerances help prevent critical failures, our granite platforms provide a superior reference to ensure parts fit correctly and perform reliably under demanding conditions.

Why Granite Is the Ideal Medium for 00 Grade Performance

Storan’s platforms take advantage of the inherent benefits of Jinan blue granite, including HS70+ hardness for long service life, non-magnetic properties to prevent interference with sensitive equipment, and a non-porous surface that repels dust and moisture. These characteristics make our measurement platform a stable reference in active workshop environments, where temperature changes or vibration from heavy machinery could compromise less suitable materials. The result is consistent, repeatable measurements that can withstand daily use without frequent recalibration—especially important for high-volume production lines where downtime translates directly into lost revenue.

Trust Storan for Engineered 00 Grade Measurement Solutions

When your quality control depends on precision, settling for anything below 00 grade is a risk. Storan’s granite measurement platforms are not only manufactured—they are produced through meticulous grinding, lapping, and rigorous inspection to ensure each surface meets the strictest international requirements. Whether you need a custom-sized platform for specialized machinery or a standard unit for routine platform inspection, our solutions deliver the accuracy your operations require.

In an era where precision drives competitiveness, a 00 grade granite measurement platform is not optional—it is necessary. Strengthen your inspection processes with Storan’s expertise and experience, and gain the confidence that comes from measuring against the industry’s benchmark.

The Science Behind Granite Inspection Platforms: HS70 Hardness & Stability Explained

In precision manufacturing, the reliability of an inspection platform depends on the material science behind it, and few materials match the engineered excellence of granite. Storan’s measurement platform leverages the distinctive physical properties of Jinan blue granite, especially its HS70 hardness and thermal-mechanical stability, to set the benchmark for industrial platform inspection. This is how these characteristics make granite the preferred choice for critical measurements.

HS70 Hardness: The Basis for Durability

With a hardness rating of HS70 on the Shore hardness scale, our granite outperforms common alternatives such as steel (HS50–60) or marble (HS40–50), providing a surface that resists scratches, dents, and wear even under heavy loads. This hardness is essential for platform inspection tools because it helps keep the reference surface unchanged over long service periods—unlike softer materials that gradually degrade and introduce hidden measurement errors. For example, in a CNC machining workshop where gauge blocks or height masters are repeatedly positioned on the platform, the HS70 surface maintains excellent flatness and accuracy without the need for frequent reconditioning.

Stability: Minimizing Environmental Effects

Granite’s performance goes beyond hardness, supported by its inherent stability. With a low coefficient of thermal expansion (8.3 × 10⁻⁶/°C), granite changes size minimally with temperature variations—critical in environments where metal platforms may warp and skew measurements. Its non-porous crystalline structure also helps damp vibrations by absorbing mechanical noise from nearby machinery, keeping measurement readings steady. This stability is why aerospace engineers and semiconductor manufacturers rely on our granite platforms: even in cleanrooms or high-temperature workshops, the surface remains a dependable reference, helping eliminate variables that can compromise precision.

How Storan Enhances Granite’s Natural Strengths

We do more than source granite—we refine it. Each inspection platform undergoes precision grinding and lapping to improve its natural characteristics, helping achieve flatness tolerances as tight as 1 μm (00 grade) while preserving the stone’s inherent resistance to corrosion and magnetic interference. The result is a tool that not only meets requirements, but improves measurement consistency—giving manufacturers confidence that every measurement, from micro-component calibration to large-scale assembly verification, is anchored in reliable scientific performance.

Understanding the science behind granite’s performance makes one point clear: for platform inspection where accuracy is non-negotiable, HS70 hardness and stability are not just features—they are essential requirements. Storan’s granite platforms deliver the reliability your quality control process demands.