Tianjin Factory Carbon Scaffolding Steel Pipes Hollow Section Galvanized Steel Seamless Pipe and Tube Supplier

Tianjin Factory Carbon Scaffolding Steel Pipes Hollow Section Galvanized Steel Seamless Pipe and Tube Supplier

Scaffolding Steel Pipe: The Foundation of Safe, Scalable Structures Crafted for global construction excellence, our steel pipe sets the standard for strength, durability, and compliance. Made from high-grade Q235/Q355 steel with hot-dip galvanized coating, it resists rust, corrosion, and extreme weather—ideal for projects from Dubai’s skyscrapers to Arctic oil rigs.

Description

Parameter characteristics:

Product Name	Black/galvanized carbon steel pipe tube
Out Diameter	Pre galvanized:1/2''-4''(21.3-114.3mm). Such as 38.1mm, 42.3mm, 48.3mm, 48.6mm, or as customer request.
Out Diameter	Hot dipped galvanized/black:1/2''-24''(21.3mm-600mm). Such as 21.3mm, 33.4mm, 42.3mm, 48.3mm, 114.3mm or as customer request.
Thickness	Pre galvanized:0.6-2.5mm.
Thickness	Hot dipped galvanized/black: 0.6- 25mm.
Zinc coating	Pre galvanized：5μm-25μm
Zinc coating	Hot dipped galvanized：35μm-200μm
Type	Electronic Resistance Welded (ERW)
Steel Grade	Q235, Q345, S235JR, S275JR, STK400, STK500, S355JR, GR.B-D
Standard	BS1139-1775, EN1039, EN10219, JIS G3444:2004, GB/T3091-2001, BS1387-1985, DIN EN10025, ASTM A53 SCH40/80/STD, BS-EN10255-2004
Surface Finish	Pre-galvanized, hot-dipped galvanized, electro-galvanized, black,painted, threaded, engraved, socket.
International Standard	ISO 9000-2001, CE CERTIFICATE, BV CERTIFICATE
Packing	1. Big OD: in bulk 2. Small OD: packed by steel strips 3. woven cloth with 7 slats 4. according to the requirements of customers
Main Market	Middle East, Africa, Asia and some Uropean country and South America, Australia
Country of origin	China
Productivity	10000 tons per month.
Remark	1. Payment terms : T/T, L/C 2. Terms of trade : FOB, CFR, CIF, DDP, EXW 3. Minimum order : 2 tons 4. Delivery time: Within 25 days.

Core Features:

✅ Ultra-High Load Capacity: Supports up to 4,500 lbs/ft, ensuring stability for heavy equipment and crews.
✅ Global Compliance: Meets ASTM, EN, and ISO standards, certified for OSHA/CE safety requirements.
✅ Universal Compatibility: Seamlessly integrates with Ring Lock, Cuplock, and frame scaffolding systems.
✅ Precision Engineering: laser-cut ends and uniform thickness (±0.2 mm) for fast, secure connections.

Technical Specs:
• Sizes: 48.3mm OD (1.5"–4mm thickness) | Lengths: 0.5m–6m (customizable)
• Surface: hot-dip galvanized (≥80μm) or pre-painted options.
• Load Rating: BS 1139/EN 39 certified.

Ideal Projects:
• High-rise buildings & bridges
• Power plants & refineries
• Shipbuilding & offshore platforms
• Stadiums & event infrastructure

Why Us?
✓ 20+ Years Expertise: Trusted by contractors in 50+ countries.
✓ Mass Production Capacity: 10,000+ tons/month with strict QC.
✓ Custom Solutions: tailor pipes to your project’s needs.