Calibrated Competition Powerlifting Plates (IPF Standard) – Cast Iron

$23.00

You can receive the package between December 26 and December 28

Fast Delivery
Size

Note for personalization

Calibrated Competition Cast Iron Powerlifting Plates – Precision Machined Discs

Note: Sold Individually (Not in Pairs)

📍 Location: Sydney, NSW 🚚 Australia-Wide Delivery ⚖️ Tolerance: ±10 grams 🏆 Competition Spec

When you are chasing a new 1RM or preparing for a powerlifting meet, every gram counts. The Calibrated Competition Cast Iron Powerlifting Plates from 24/7 Gym Equipment are engineered for athletes who demand absolute precision. Unlike standard gym plates which can vary wildly in weight, these discs are machine-calibrated to a strict tolerance of just ±10 grams.

Featuring a slim profile to maximise barbell loading capacity, these plates allow you to load over 700kg on a standard power bar. Finished in vivid, colour-coded powder coating for instant weight identification, they are the gold standard for powerlifting, strongman training, and serious strength development. Available for fast shipping to Sydney, Melbourne, Brisbane, Perth, and Adelaide.

Why Upgrade to Calibrated Plates?

🎯 Precision Accuracy

Standard gym plates can be off by up to 5-10%. Our calibrated plates are machined to within 10 grams of the stated weight. When you have 200kg on the bar, you know it is exactly 200kg.

📏 Ultra-Thin Profile

The slim design (e.g., 27mm for a 25kg plate) allows you to fit more weight on the sleeve. This is essential for heavy deadlifts and squats where bumper plates run out of room.

🔒 Snug Collar Fit

The 50.4mm collar opening is precision-drilled to fit snugly on Olympic sleeves. This eliminates "plate wobble" and rattle, providing a stable, solid feel during the lift.

🎨 Competition Colour Coding

Follows International Powerlifting Federation (IPF) color standards: Red (25kg), Blue (20kg), Yellow (15kg), Green (10kg), and White (5kg) for easy recognition.

Technical Specifications

Our plates are designed to align with international competition sizing standards.

Weight Colour Diameter Thickness
25 kg Red 450 mm 27 mm
20 kg Blue 450 mm 22.5 mm
15 kg Yellow 400 mm* 21 mm
10 kg Green 325 mm* 21 mm
5 kg White 228 mm* 21.5 mm

*Note: Diameters for 5kg-15kg are smaller than 450mm to facilitate easier handling and loading. The 20kg and 25kg plates are full regulation 450mm diameter.

The Ultimate Guide to Calibrated Powerlifting Plates in Australia

Everything you need to know about precision steel discs for competition prep and home gyms.

Calibrated vs. Standard vs. Bumper Plates: What's the Difference?

Choosing the right weight plates is crucial for your training goals. Here is how Calibrated Cast Iron compares to other options:

1. Calibrated Cast Iron (This Product)

Best For: Powerlifting (Squat, Bench, Deadlift), Strongman, and general strength training where accuracy is paramount.

  • Pros: Extremely accurate weight, very thin profile (high density), stable on the bar, durable.
  • Cons: Noisier than rubber, not suitable for dropping from overhead (Olympic lifting).

2. Standard Rubber Bumper Plates

Best For: CrossFit, Olympic Weightlifting (Clean & Jerk, Snatch), and garage gyms where noise is a concern.

  • Pros: Quiet, can be dropped safely, protects floors.
  • Cons: Very thick (limits max load on bar), often have high bounce, less accurate weight tolerance.

3. Standard Iron Plates ("Gold's Gym" Style)

Best For: General bodybuilding and budget home gyms.

  • Pros: Cheapest option per kilogram.
  • Cons: Loose collar openings cause rattle, large variances in weight (a 20kg plate might actually weigh 19kg or 21kg), often bulky.

The Verdict: If you lift heavy and care about the numbers on the bar being real, Calibrated Plates are the only choice.

How Calibrated Plates Improve Your Training

Upgrading to calibrated plates isn't just about aesthetics; it changes the mechanics of your lift.

1. Center of Gravity

Because these plates are so thin (27mm for a 25kg plate), the weight mass is kept closer to the center of the barbell. This reduces "bar whip" (the bouncing of the bar) during heavy squats and deadlifts. A stiffer, more predictable bar allows you to exert force more efficiently.

2. Specificity for Competition

If you plan to compete in the IPF, GPC, or local powerlifting meets, you will be lifting on calibrated steel plates. Training on thick rubber bumpers feels completely different—the bar bends differently, and the weight feels distributed further out. Training on calibrated plates ensures that on meet day, the equipment feels familiar.

3. The "Dead Stop" Effect

Cast iron plates have zero bounce. In the deadlift, this forces you to pull from a true dead stop every rep, rather than relying on the "bounce" or rebound that rubber plates provide off the floor. This builds superior starting strength.

Care & Maintenance Guide

These plates are an investment. Follow these tips to keep them in competition condition:

  • Storage: Always store plates on a weight tree or toaster rack. Do not leave them resting against walls or on damp concrete floors, as this encourages rust.
  • Cleaning: The powder coat is durable, but chalk and sweat can accumulate. Wipe them down periodically with a microfiber cloth and a mild, non-corrosive cleaner.
  • Dropping: These are Powerlifting plates, not Olympic plates. They should not be dropped from overhead (like in a Snatch). They can handle being dropped from waist height (Deadlift) provided you are using a Lifting Platform or 20mm+ Rubber Gym Tiles. Never drop them directly onto concrete.
  • Rust Prevention: In humid Australian climates (like QLD or coastal NSW), cast iron can oxidize if the coating chips. If you see a small chip, touch it up with a paint marker or apply a light coat of 3-in-1 oil to exposed metal.
Shipping & Delivery Information

We are experts in shipping heavy freight across Australia.

How we ship: Small orders (e.g., a pair of 5kg plates) may ship via standard courier. Large orders (e.g., full 150kg+ sets) are securely strapped to a pallet and shipped via heavy freight carriers to ensure they arrive undamaged.

Locations: We deliver to all capital cities (Sydney, Melbourne, Brisbane, Adelaide, Perth, Canberra, Hobart, Darwin) and most regional centers.

Lead Times: Sydney Metro orders are typically dispatched within 24-48 hours. Interstate orders generally arrive within 3-7 business days depending on your location.

❓ Frequently Asked Questions

Do these plates fit a standard Olympic Barbell?

Yes. They feature a precision-machined 50.4mm center hole. This is designed to fit snug on any standard 50mm Olympic sleeve. Note: Because the tolerance is tight, they may be difficult to slide onto cheap, low-quality bars with poor chrome plating or inconsistent sleeve diameters.

Are these sold as a pair or single?

All our calibrated plates are sold individually. This allows you to customize your set exactly how you want it. If you need a pair, please add "2" to your cart.

Why are the smaller plates (5kg-15kg) smaller in diameter?

This is standard practice for calibrated plates. It makes loading and unloading the bar significantly easier. Since the 20kg and 25kg plates are the full 450mm diameter, the smaller plates do not need to touch the ground during a deadlift.

What is the weight tolerance?

These plates are machine calibrated to ±10 grams of the stated face value. This is incredibly accurate compared to standard cast iron plates which can vary by 3-5%.

Complete Your Powerlifting Setup

Order Now and train with the precision of a champion using 24/7 Gym Equipment Calibrated Plates.

 

🚚 Shipping

Australia-wide delivery
Under 40 kg: shipped via our standard courier partners.

40 kg and above: shipped on a pallet via freight carriers.

Tail-lift delivery available for residential addresses without forklift access.

Approx. packaged weight: 50 kg (varies by product/configuration).

Nearest-depot option: We have 500+ freight depots across Australia and will allocate the closest depot for convenient pick-up.

Depot pick-up (capital cities): $200 flat fee in Sydney, Melbourne, Brisbane & Adelaide (up to 300 kg).

Sydney Metro installation offered — contact us to book.


All items are securely packed on pallets for safe, damage-free transit.

💬 Looking for the best shipping rate?

We always try to find you the most cost-effective option.

👉 WhatsApp us or Email us to get a tailored quote.

🔁 Returns


14-day return window – item must be unused and in original packaging
Return shipping is at the customer’s cost
Returns are not accepted if the product is assembled or not in resale condition
All products are backed by a 1-Year Warranty covering manufacturing faults

🎉 Limited-Time Offer: Enjoy Free Sydney Metro Delivery on all orders over $2,000. Fast and reliable delivery straight to your door — available for a limited time only.

Pay with

  • American Express
  • Apple Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your transaction is protected with advanced security measures to keep your information confidential

$23.00

Why Choose 24/7 Gym Equipment?

Compare our value, service, and quality against other sellers

24/7 Gym Equipment
Others Gym Seller
Fast delivery Australia-wide
Affordable Assembly Sydney Metro
Stock Ready to Ship
Click & Collect from Depots
Commercial-Grade Quality
Showroom Support & Advice
Bundle Discounts

Text columns with images

Strength Equipment

Power racks, Smith machines, functional trainers.

Cardio Equipment

Treadmills, rowers, bikes — built for home & commercial gyms.

Weights & Barbells

Olympic bars, plates, dumbbells & kettlebells.

Storage & Flooring

Racks, gym mats, flooring tiles — keep your space organised.

FAQs

Yes! We deliver nationwide using trusted freight partners. Sydney metro orders can also be installed or picked up directly from our warehouse.

We accept major credit cards, PayPal, Zip, and PayPal Pay in 4 for flexible payments.

Delivery costs depend on the product size, weight, and your location. You can calculate shipping at checkout, or contact us for a custom quote.

Yes, all equipment comes with a manufacturer’s warranty. Warranty terms depend on the product — check each product page for details.

Yes, we provide affordable assembly for Sydney metro customers. Outside Sydney, our equipment is shipped flat-packed with clear assembly instructions

We offer a 14-day money-back guarantee. Simply return the product in original condition (return freight costs apply).

Yes, we offer depot pick-up options in Sydney, Melbourne, Brisbane, Adelaide, and Perth. Simply select “Depot Pick-Up” at checkout.

Yes, most of our range is commercial-grade quality, designed for gyms and personal trainers. We also have compact options suitable for home gyms.