Place of Origin: Hebei

Warranty: 1 year

Customized Support: OEM

Brand Name: Storan

Model Number: 3003

Material: Magnesium

Item Weight: 4 kg

Product Name: Magnesium–aluminium alloy light flat ruler

Material: Magnesium–aluminium alloy

Size: 630 × 400 mm

Package: Plywood box

Certificate: ISO9001

Grade: 0 grade

Shipping: By sea or air

Keyword: Parallel rule

Precision: 0 grade, 1 grade, 2 grade

Lead Time

Magnalium Wide Seat Angle Ruler 210 × 300 mm

Performance of the Magnesium–Aluminium Right-Angle Ruler:

1. 1. Physical properties: 47 kg/mm²

2. 2. Elongation: 17%

3. 3. Bending point: 110 kg/mm²

4. 4. Vickers hardness: HV80

5.  

Magnesium–Aluminium Right-Angle Ruler: Key Advantages

1. 1. Lightweight for easy handling and transportation.

2. 2. Resistant to deformation. The bending point of general steel material is 30 kg/mm², and that of general cast iron is 38 kg/mm². The bending point of this material is 110 kg/mm², with a bending-resistance index far exceeding that of other materials.

3. 3. Easy to store and level. Suspension and leveling can be performed without affecting straightness and parallelism, even with long-term leveling.

4. 4. Reduced risk of corrosion. Avoid using oil during use. Do not leave the ruler unused for extended periods. When storing, gently apply a thin layer of general industrial oil.

Right-Angle Ruler Precision Grades 0–2: Verticality Tolerance Standards

In precision manufacturing, a right-angle ruler is only as effective as its ability to maintain strict verticality tolerances. Storan defines three precision grades (0, 1, 2) for our metal 90-degree ruler solutions, each engineered to meet specific industrial requirements—from aerospace metrology to general machining. Understanding these grades helps you choose the right tool for your verticality inspection needs, supported by ISO 1101 and GB/T 6092 compliance.

1. Grade 0: Ultra-High Precision (Reference: ±2")

The benchmark for critical applications:

Reference tolerance: Maintains 90° verticality within ±2 arcseconds (±0.0005 mm/m), verified via laser interferometry.
Materials: Premium HT200 cast iron (for vibration damping) or magnesium aluminium alloy (for lightweight rigidity), both stress-relieved at -80°C to eliminate 95% of internal stresses.

Applications:

Aerospace Component Testing: A Storan 90-degree angle ruler (Grade 0, 630 × 400 mm) ensures jet engine bracket alignment within ±0.001 mm/m, helping prevent fatigue failures caused by misalignment.
CMM Calibration: Used as a reference standard for coordinate measuring machines, where sub-micron errors can invalidate certification data for medical device implants.

2. Grade 1: Industrial Precision (Reference: ±5")

Balanced accuracy and versatility for most machining tasks:
Reference tolerance: ±5 arcseconds (±0.0015 mm/m), ideal for ISO 1101-compliant verticality checks.
Design Features: Reinforced ribs on metal 90-degree ruler models (3000 × 2000 mm) distribute loads of 200 kg or more without deformation, while a 5 μm anti-corrosion coating helps protect against coolant exposure.

Applications:

Automotive Fixturing: A Storan right-angle ruler (Grade 1, 1000 × 630 mm) ensures engine block bore perpendicularity to mating surfaces within ±0.01 mm, reducing assembly rework by 40%.
CNC Machine Alignment: Verifies spindle verticality on milling machines, improving surface finish (Ra ≤ 1.6 μm) and extending tool life by 25%.

3. Grade 2: General-Purpose Precision (Reference: ±10")

Reliable for non-critical alignment and layout tasks:

Reference tolerance: ±10 arcseconds (±0.003 mm/m), suitable for GB/T 6092 Class 2 requirements.
Material Options: Cost-effective carbon steel (for heavy-duty environments) or anodized aluminum (for corrosion resistance in textile workshops), weighing 5 kg for 1500 × 1000 mm models.

Applications:

Heavy Equipment Assembly: A Storan multi-angle edge ruler (Grade 2, 2000 × 1500 mm) checks the verticality of bulldozer blade mounts, ensuring 90° alignment for optimal soil displacement.
Sheet Metal Fabrication: Guides 90° bend marks on 5 mm-thick steel sheets, reducing trial-and-error adjustments by 30% in enclosure manufacturing.

4. Storan’s Precision Assurance

Calibration Traceability: Each right-angle ruler includes a CMM-generated certificate, traceable to national metrology standards.
Custom Grades: Need a Grade 0.5 ruler for semi-critical aerospace subcomponents? Our engineers tailor tolerances to your requirements, delivered within 4–6 weeks.
Warranty: 1-year coverage against verticality drift—double the industry average—supporting long-term reliability even in 40°C workshop conditions.

Whether you require the sub-micron accuracy of Grade 0 for aerospace, the balanced performance of Grade 1 for automotive machining, or the cost-effective reliability of Grade 2 for general tasks, Storan’s precision-graded right-angle ruler solutions deliver superior verticality control. Pair with right-angle protractor accessories for comprehensive angle inspection, and rely on our engineering expertise to meet the strictest industrial standards—where every degree of precision matters.

Right-Angle Ruler Storage Tips: Hanging vs. Horizontal Placement Best Practices

Proper storage is critical to maintaining the precision and service life of your right-angle ruler. Storan engineers its tools—from lightweight metal 90-degree ruler models to heavy-duty multi-angle edge ruler solutions—with storage-friendly designs. However, following these best practices will help ensure your investment remains accurate for years. Choose between hanging and horizontal placement based on your tool type and workshop needs:

1. Hanging Storage: Ideal for Lightweight & Small-to-Medium Rulers

Suitable for 90-degree angle ruler models ≤ 1500 × 1000 mm (e.g., magnesium aluminium or anodized aluminium):

Why It Works: Hanging storage eliminates gravitational stress on the ruler’s edges, helping prevent slight warping that can occur with horizontal storage. Storan’s metal 90-degree ruler (5 kg for 1000 × 630 mm) features reinforced hanging holes (20 mm diameter, countersunk to protect edges) for secure mounting.

How to Do It:

Use anti-vibration hooks (included with Storan rulers) to hang the tool vertically on a wall-mounted rack, ensuring the 90° edge faces downward to avoid dust accumulation.
Leave 50 mm clearance between rulers to prevent accidental impacts—especially important for maintaining the ±2" precision of Grade 0 right-angle ruler models.

Best for: Workshop environments with limited floor space, or when storing right-angle protractor-compatible rulers that require quick access for frequent inspections.

2. Horizontal Placement: Recommended for Heavy-Duty & Large Rulers

Ideal for cast iron multi-angle edge ruler models ≥ 2000 × 1500 mm (e.g., HT200 cast iron; 180HB hardness):

Why It Works: Horizontal storage distributes the ruler’s weight evenly across the base, leveraging Storan’s stress-relieved design (550°C annealing for 4 hours) to maintain dimensional stability. A 3000 × 2000 mm ruler supported at three points (ends + center) experiences 70% less sag than unsupported alternatives.

How to Do It:

Use foam-lined shelves (10 mm thickness, anti-static) to cushion the ruler’s contact surfaces, helping protect the hand-scraped finish (Ra ≤ 1.6 μm) of precision right-angle ruler models.
Store in temperature-controlled areas (20°C ±2°C) to minimize thermal expansion—particularly important for magnesium aluminium rulers, which maintain 110 kg/mm² yield strength even in 40°C workshop conditions when properly supported.

Best for: Large-scale workshop setups or when storing rulers alongside right-angle protractor accessories to support easy alignment during complex angle inspections.

3. Universal Best Practices for All Ruler Types

Clean Before Storage: Wipe with Storan’s included anti-rust oil (5 μm pickling oil coating) to protect against coolant residue—critical for maintaining the corrosion resistance of aluminum 90-degree angle ruler models in marine or humid environments.
Avoid Stacking: Never stack rulers vertically, as even 5 kg of pressure can deform the 90° edge of non-stress-relieved tools. Storan’s Grade 1 metal 90-degree ruler helps resist such deformation, but single-layer storage is still recommended.
Label Clearly: Mark storage locations with precision grade (0/1/2) and material type to speed up tool selection—especially when using multi-angle edge ruler variants for tasks such as CNC machine verticality calibration.

4. Storan’s Storage-Enhanced Design Features

Hanging Hole Reinforcement: All rulers ≥ 1000 mm include steel-reinforced hanging points, tested to support 5× the tool’s weight without deformation—ideal for frequent repositioning during aerospace component inspections.
Anti-Slip Feet (for Horizontal Use): Cast iron models feature rubberized end caps that grip shelves securely, helping prevent accidental slides that could damage the ruler’s measuring edge during heavy equipment assembly tasks.
Custom Storage Solutions: Need a mobile cart for your right-angle protractor and multi-angle edge ruler set? Our team designs bespoke racks with foam inserts, delivered within 4–6 weeks for seamless integration into your workflow.

Whether you hang a lightweight 90-degree angle ruler for quick access or store a heavy-duty right-angle ruler horizontally for maximum stability, these practices help ensure your Storan tool remains accurate and ready for use. Our storage-enhanced designs—from reinforced hanging holes to stress-relieved materials—complement proper maintenance, extending the service life of your precision instruments and protecting your investment in quality. Store smart, measure smarter with Storan.