Size 4 Acrow props have an adjustable range typically extending from 4.0 meters to 6.0 meters. It can temporary support in heavy formwork, beams, and large structural during construction.
In addition to the Size 4 Acrow props, there are also other accessories:Top and bottom base plates, adjustable sleeves, lock pins and prop nut with handles.
Common Types of Adjustable Scaffolding Props
|
ITEMS |
PICTURE |
ADJUST HEIGHT |
INNER&OUTTER TUBE |
TUBE THICK |
SURFACE |
|
LIGHT DUTY PROP |
Size 0 |
1.05-1.8m |
40/48mm |
1.5-2.5mm |
PRE-GI |
|
Size 1 |
1.76-3.13m |
40/48mm |
1.5-2.5mm |
||
|
Size 2 |
1.98-3.36m |
40/48mm |
1.5-2.5mm |
||
|
Size 3 |
2.59-3.97m |
40/48mm |
1.5-2.5mm |
||
|
Size 4 |
3.20-4.82m |
40/48mm |
1.5-2.5mm |
||
|
LIGHT DUTY PROP |
Size 0 |
1.05-1.8m |
48/56mm |
1.5-2.5mm |
|
|
Size 1 |
1.76-3.13m |
48/56mm |
1.5-2.5mm |
||
|
Size 2 |
1.98-3.36m |
48/56mm |
1.5-2.5mm |
||
|
Size 3 |
2.59-3.97m |
48/56mm |
1.5-2.5mm |
||
|
Size 4 |
3.20-4.82m |
48/56mm |
1.5-2.5mm |
||
|
HEAVY DUTY PROP |
Size 0 |
1.05-1.8m |
48/60mm |
1.5-4.0mm |
|
|
Size 1 |
1.76-3.13m |
48/60mm |
1.5-4.0mm |
||
|
Size 2 |
1.98-3.36m |
48/60mm |
1.5-4.0mm |
||
|
Size 3 |
2.59-3.97m |
48/60mm |
1.5-4.0mm |
||
|
Size 4 |
3.20-4.82m |
48/60mm |
1.5-4.0mm |
Feature
1.The raw material for Acrow props is premium high-strength steel, giving our products superior load-bearing capacity compared to similar products.
2.Automated precision cutting and drilling (±1mm tolerance) deliver accuracy without burrs.
3.All Acrow props undergo load testing and quality inspection after production to ensure product quality.
4.High-strength welding and rolled threading processes.
5.Hot-dip galvanizing or electro-galvanizing corrosion protection extends service life.
Factory Ability
Irontrix is a leading manufacturing company based in China, focused on the production of high-quality size 4 acrow props. The production process covers steps from cutting, welding,punching, surface treatment, assembly, and final inspections, which ensure each product meets the international standards of quality.

Strict Inspection

Certificate and Loading Test
Our loading testing are based on OSHA, EN, BS, and ANSI laws, All the Size 0 Acrow props can issue certification sheet before delivery, which ensure the dependability and safety of your orders.

Irontrix is a leading manufacturing company based in China, focused on the production of high-quality safe scaffoldingg systems for wholesale, rental, and construction projects all over the world. The production process including from cutting, welding,punching, surface treatment, assembly, and final inspections, which obey the international standards strictly. We specialize in the production and supply of high standard Scaffolding Systems, Formworks, and a full range of Construction Fittings, Steel Props & Shoring. There are over 10 production line for Adjustable Steel shoring, also known as Telescopic Props or Acrow Props, which used for temporary shoring and slab support. System Scaffolding: including the Cuplock Scaffold Standards, ledgers,APS Unit Systems, and Ringlock Scaffolds with all the accessories. Tube & Clamp Components: Galvanized Vertical Scaffold Pipes,Drop forged clamps, Pressed Steel Couplers, Swivel Clamps, and Sleeve Couplers compliant with BS1139 standards. Formwork Accessories: Including high-tensile Tie Rods, Wing Nuts, Water Stops, and other essential Concrete Forming Hardware. Access Platforms: Steel Planks, Steel Gratings, and Metal Decking. For reliable scaffolding products supply, we are your trusted partner.
FAQ
Q: What surface treatment options do you offer?
A: Multiple finishes for different environments:
|
Treatment |
Thickness |
Best For |
Lifespan |
|
Powder coating |
60–80 microns |
Indoor, aesthetic needs |
3–5 years |
|
Electro-galvanized |
10+ microns |
Light-duty, dry conditions |
2–3 years |
|
Pre-galvanized |
20–30 microns |
General construction |
3–5 years |
|
Hot-dip galvanized |
50+ microns |
Outdoor, marine, harsh conditions |
10–15 years |
Q: How do you adjust the height of a steel prop?
A: Two-stage adjustment:
Coarse adjustment: Pull inner tube to approximate height, align pin holes, insert prop pin
Fine adjustment: Rotate threaded collar/nut for precise leveling (±50mm typically)
Time-saving tip: Our forged steel adjusting ring nuts with optimized thread pitch allow quick release and adjustment.
Q: Can one person erect steel props?
A: Yes, one person can handle steel props due to their lightweight design (10–30kg per prop). However:
Heavy-duty props (Size 3–4) may require two people for safety
High installations should follow OSHA/EN safety protocols
Always use proper lifting techniques
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