Magnesia–aluminium rulers are mainly divided into two types according to different industries: heavy-industry rulers and light-industry rulers. Heavy-industry rulers are mostly made of cast iron and cast steel materials, while light-industry rulers are generally made from materials such as magnesium–aluminium, alloy steel, and stainless steel. The specific shape and model of the magnesium–aluminium ruler can be designed according to actual requirements.

Magnesium–aluminium ruler features:

1. 1. Applications: installation, levelling, maintenance, and measurement of textile machinery.

2. 2. Lightweight: a 3-meter-long ruler weighs only 9 kg.

3. 3. Convenient to use: a 6-meter ruler allows workers to move and measure with ease.

4. 4. Resists deformation: the bending point of general steel materials is 30 kg/mm², and that of general cast-iron parts is 38 kg/mm². The bending point of this material reaches 110 kg/mm², and its bending-resistance index significantly exceeds those of other materials.

5. 5. Easy to store: it can be hung or placed flat; long-term flat placement does not affect straightness or parallelism.

6. 6. Resistant to rust: do not apply oil during use. If not used for a long time, apply a thin layer of general industrial oil before storage.

Place of Origin: Hebei, China

Warranty: 1 year

Customized Support: OEM, ODM, OBM

Brand Name: Storan

Model Number: 3002

Material: Aluminium–Magnesium Alloy

Accuracy: Customized

Operation Mode: Customized

Item Weight: Customized

Capacity: Customized

Material (listed): Material Aluminium–Magnesium Alloy

Specification: See attached form or customize

Physical Performance: 47 kg/mm

Extensibility: 17%

Yield Point: 110 kg/mm²

Working Temperature: (20 ± 5)℃

Precision Grade: 1–3

Packaging: Plywood box

Lead time

Magnesium Aluminum Parallel Ruler: 110 kg/mm² Yield Strength for Anti-Deformation

In industrial alignment and precision measurement, the risk of ruler deformation under load can compromise accuracy—until now. Storaen’s magnesium aluminum parallel ruler combines robust 110 kg/mm² yield strength with a lightweight design, delivering unmatched anti-deformation performance for applications where dimensional stability is non-negotiable. Here is how our engineering improves parallel ruler use in demanding environments:

1. The Science of 110 kg/mm² Yield Strength

Magnesium aluminum alloy (MB15) offers a 2x strength-to-weight advantage over pure aluminium:

Load Resistance: Unlike standard aluminium rulers that bend under 50 kg/mm², our rulers withstand 110 kg/mm²—ideal for supporting 200 kg+ workpieces during CNC machine bed calibration or textile loom installation. This helps prevent the 0.5 mm/m sag commonly seen in weaker materials, ensuring parallelism remains within ±0.02 mm/m (Grade 1 precision).
Thermal Stability: The alloy’s low coefficient of thermal expansion (21.5 × 10⁻⁶/°C) helps maintain accuracy across temperature swings of 10°C–40°C, which is critical for outdoor construction or unheated workshops where steel rulers may expand/contract unpredictably.

2. Applications Where Deformation Is Not an Option

Storaen’s magnesium aluminum parallel ruler excels in high-stakes scenarios:

CNC Machine Alignment: A 3000 mm ruler with 110 kg/mm² strength supports laser alignment tools during bed rail installation, helping maintain 0.01 mm/m parallelism for precise machining of automotive transmission cases—reducing vibration-induced tool wear.
Textile Machinery Calibration: During loom setup, the ruler’s rigidity prevents sag when spanning 2000 mm between guide rollers, maintaining ±0.05 mm thread-path alignment and reducing fabric defects by 30%.
Heavy Equipment Inspection: For mining machinery track alignment, the ruler’s anti-deformation design withstands accidental impacts (e.g., 5 kg dropped tools) without permanent bending—unlike plastic or low-grade aluminium alternatives that require frequent replacement.

3. Design Advantages for Durability & Usability

Lightweight Rigidity: At only 3 kg/m (30% lighter than steel), a 3 m ruler weighs just 9 kg, enabling one-person handling for elevated inspections (e.g., overhead conveyor rails) without fatigue—an important benefit for parallel ruler use in hard-to-reach areas.
Surface Protection: A 20 μm anodized coating resists corrosion from coolant, oil, and humidity, extending service life by 2x compared with uncoated aluminium rulers—eliminating the need for regular anti-rust treatment.
Precision Grades: Select Grade 1 (±0.02 mm/m parallelism) for general industrial use or Grade 2 (±0.05 mm/m) for layout tasks. Both grades are verified via laser interferometry to meet ISO 1101 standards.

4. Storaen’s Commitment to Value

Competitive Parallel Ruler Price: Prices start at $299 for 500 mm models. Our magnesium aluminum rulers deliver 3x the lifespan of generic steel tools, helping reduce total cost of ownership—particularly for bulk orders in construction or manufacturing fleets.
Custom Solutions: Need a 6000 mm ruler with reinforced end caps for heavy lifting? Our OEM team provides bespoke designs in 4–6 weeks, ensuring optimal load distribution for your specific parallel ruler use cases.
Warranty & Support: Backed by a 1-year warranty against deformation or coating failure, plus free calibration certificates for traceable accuracy—supporting quality audits in ISO 9001-certified facilities.

Don’t let deformation risks compromise your measurements. Storaen’s magnesium aluminum parallel ruler, with 110 kg/mm² yield strength and lightweight durability, sets a new standard for industrial alignment. Whether sold as a standalone tool or integrated into custom fixtures, our rulers help ensure precision remains consistent under load, temperature changes, and daily wear—making them the smart choice for professionals who demand reliability without compromise. Explore our parallel rulers for sale today and experience the Storaen difference in anti-deformation engineering.

How to Choose a Parallel Ruler: Size & Precision Grade Guide

Selecting the right parallel ruler is essential for accurate alignment and measurement in industrial applications. Whether for CNC machine calibration, textile loom setup, or heavy equipment inspection, your decision depends primarily on two factors: size and precision grade. Material, durability, and cost play supporting roles. Here is your step-by-step guide to making these choices, featuring Storaen’s engineered solutions that balance performance and value in parallel rulers for sale.

1. Size Selection: Match the Task at Hand

Select a ruler length that fits your workpiece and parallel ruler application:

Small-Scale Tasks (≤1000 mm):

500–1000 mm rulers are suitable for bench-top inspections, such as verifying small machine components or electronic part alignment. Storaen’s aluminium alloy models (starting at $299) provide lightweight handling (1.5 kg for 1000 mm) without compromising rigidity—ideal for prototyping or low-load environments.

Mid-Range Applications (1000–3000 mm):

1500–3000 mm rulers are standard for CNC machine beds and textile machinery. Our magnesium aluminum parallel ruler (3 kg/m weight, 110 kg/mm² yield strength) spans 2000 mm while resisting sag under 100 kg loads, ensuring ±0.02 mm/m parallelism for machining automotive parts.

Large-Scale Projects (≥3000 mm):

For industrial construction or aerospace assembly, 4000–6000 mm rulers with reinforced ribs (available via Storaen’s OEM service) distribute weight evenly, enabling one-person use for overhead conveyor alignment without flexing.

2. Precision Grade: Align with Tolerance Requirements

Select based on your industry’s straightness and parallelism standards:

Grade 1 (±0.02 mm/m):

Ideal for precision machining (e.g., aerospace components and medical device parts) where deviations of 20 μm/m or more can lead to functional failures. Storaen’s Grade 1 rulers undergo laser interferometry calibration and meet ISO 1101 and ASME B89.5.2 for traceable accuracy.

Grade 2 (±0.05 mm/m):

Suitable for general industrial tasks such as textile loom thread-path setup or heavy equipment track alignment. It balances cost ($499 for 2000 mm) and performance to help reduce fabric defects and machinery vibration.

Grade 3 (±0.1 mm/m):

Best for layout marking and rough alignment in construction or prototyping, where absolute precision is less critical. Durability (anodized aluminium coating) and value are the main considerations.

3. Material & Cost: Balance Rigidity, Weight, and Budget

Magnesium Aluminum Alloy:

30% lighter than steel, with 110 kg/mm² yield strength for anti-deformation—ideal for aluminium rulers that must withstand heavy loads without bending. Priced 20% higher than steel, but offering 3x lifespan for high-stakes parallel ruler use.

Carbon Steel:

Designed for heavy-duty applications and a lower budget ($350 for 1000 mm). Suitable for occasional use or non-critical alignment in harsh workshops. However, it is heavier (4 kg for 1000 mm) and more prone to rust without regular maintenance.

4. Storaen’s Expert Recommendations

For CNC Machining: Pair a 2000 mm magnesium aluminum parallel ruler (Grade 1, $899) with our laser alignment kit for ±0.01 mm/m accuracy, helping minimize tool wear and scrap rates.
For Textile Industry: A 1500 mm anodized aluminium ruler (Grade 2, $599) supports consistent thread-path alignment and is backed by a 1-year warranty against coating failure.
Custom Solutions: Need a 5000 mm ruler with dual metric/imperial scales? Our team provides bespoke designs in 4–6 weeks, optimized for your unique parallel ruler use cases.

Choosing the right parallel ruler doesn’t have to be complicated. Prioritize the right size for your workpiece, select the precision grade based on your tolerance requirements, and choose the material for your operating environment—then rely on Storaen’s engineered solutions to deliver reliability at competitive parallel ruler price points. Explore our parallel rulers for sale today and equip your workshop with tools built to handle the toughest industrial measurement challenges.

Aluminum Magnesium Alloy Precision Ruler:

The Aluminum–Magnesium Alloy Parallel Ruler is used for workpiece inspection, measuring, marking, equipment installation, and industrial construction projects.

* Easy Storage: it can be hung or placed horizontally; long-term storage does not affect its straightness and parallelism.

* Not Easy to Rust: do not use it with oil during use. If it is not used for a long time, apply a thin layer of industrial oil before storage.

* Packing: plywood boxes are commonly used; custom and premium packaging options are also available.

Technical Specification of Aluminium–Magnesium Alloy

Precision Ruler: