Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of pre-galvanized steel pipe 1/2"-4" q195 q235 astm a53 round gi pipe for construction in China. Welcome to consult the quotation and import cheap pre-galvanized steel pipe 1/2"-4" q195 q235 astm a53 round gi pipe for construction made in China here from our factory.
Why Choose TYT Galvanized Pipes? Core Product Advantages
TYT Exclusive Craftsmanship, Anti-Corrosion and Durable.
01/ Exclusive Patented Passivation Spray System | Industry-Leading Technology
02/ 360° Uniform Coating | No Blind Spots or Missed Coverage
03/ Sleek Aesthetic Finish | Smooth & Lustrous Surface
04/ 18+ Hour Zero-Corrosion Salt Spray Test | Exceeds Industry Standards
| Parameter | Specification |
|---|---|
| Product Name | Pre-Galvanized Steel Pipe (Gi Pipe) |
| Material | Q195, Q235, Q345, ASTM A53 Gr.A/B, BS 1387, EN 10255 |
| Outer Diameter | 1/2"–4" (21.3mm–112mm) |
| Wall Thickness | 0.6mm–2.3mm |
| Zinc Coating | 40–120 g/m² (customizable up to 275 g/m²) |
| Length | 5.8m / 6m / 12m, or cut-to-length as required |
| Surface Treatment | Pre-galvanized, chromated, oiled |
| End Type | Plain / Threaded & Socketed / Grooved / Beveled |
| Standard | ASTM, BS, EN, JIS, GB |
| MOQ | 5 Tons (negotiable for trial order) |
Tianjin TianYingTai (TYT) Steel is a leading integrated steel provider headquartered in Jinghai District, Tianjin, with 19 years of deep industry expertise.Our business covers the full industrial chain: steel production and sales, customized steel processing, greenhouse engineering solutions and supporting accessories supply, as well as global export services. We are equipped with 13 specialized production lines for steel pipes of various specifications, boasting an annual output capacity of 12,000,000 tons, which can stably meet both large-volume bulk orders and small-batch customized demands of clients worldwide.
20 Years of Export Expertise, Global Standard Compliance: Meet ASTM A53, EN10255, BS1387 and other regional standards, full certifications provided for hassle-free customs clearance.
✅ Factory Direct Supply - 20+ years manufacturing experience, monthly capacity 8,000+ tons
✅ Certifications - ISO 9001, CE, SGS / BV third-party inspection available
✅ OEM/ODM Service - Custom size, logo, packaging, and end finishing
✅ Packaging - Hexagonal bundles, plastic caps, woven bag wrapping, seaworthy export packing
✅ Delivery - 15–25 days for one container after deposit; FOB / CIF / CFR terms supported
✅ After-Sales - Free replacement for any quality issue; 24h response
FAQ
Q1: What's the difference between pre-galvanized and hot-dip galvanized pipe?
A: Pre-galvanized pipes are zinc-coated before welding → smoother surface, tighter tolerance, lower cost. Hot-dip is coated after welding → thicker zinc layer, suitable for underground / marine use.
Q2: Can you provide samples?
A: Yes, free samples available; freight collected.
Q3: What's your payment term?
A: T/T 30% deposit, 70% against B/L copy; L/C at sight acceptable.
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