Steel Pipe & Tube&Hot-dip Galvanized Steel Pipe ,Q195, Q235B, Q355B, S235JR, S355JR, A36, SS400, ASTM A53, API 5L Gr.B
1. Product Name
Hot-dip Galvanized Steel Pipe, Galvanized Steel Pipe, GI Pipe, HDG Steel Pipe, Zinc-coated Steel Pipe, Galvanized ERW Pipe, Galvanized Seamless Pipe
2. Product Types
Hot-dip galvanized welded steel pipe
Hot-dip galvanized seamless steel pipe
Hot-dip galvanized round steel pipe
Galvanized steel pipe for water supply
Galvanized steel pipe for construction
3. Main Material Grades
Q195, Q235B, Q355B, S235JR, S355JR, A36, SS400, ASTM A53, API 5L Gr.B
4. Production Process
Base steel pipe → pickling and derusting → fluxing → hot-dip galvanizing → cooling → passivation → straightening → cutting → inspection → packing
5. Standard Specifications
Outer Diameter: 15mm – 630mm
Wall Thickness: 1.2mm – 20mm
Length: 6m, 9m, 12m or customized length
Cross section: Round hollow section
6. Tolerance
Outer diameter tolerance: ±0.5mm – ±2.5mm
Wall thickness tolerance: ±0.1mm – ±1.5mm
Length tolerance: ±5mm – ±20mm
Straightness tolerance: ≤1–3mm/m
In line with GB, ASTM, EN standard tolerances
7. Execution Standards
GB/T 3091, GB/T 13912
ASTM A53, ASTM A106
EN 10216, EN 10240
JIS G3444
8. Product Features
Uniform and dense zinc coating
Excellent anti-corrosion and anti-rust performance
Long service life, weather resistance
Smooth surface, beautiful appearance
Good mechanical strength and weldability
Easy installation and construction
Wide adaptability to various environments
9. Main Applications
Water supply and drainage pipeline
Gas transmission pipeline
Building structure and scaffolding
Electric power and communication pipeline
Agricultural irrigation system
Industrial anti-corrosion engineering
Municipal construction and greening engineering
10. Delivery Condition
Hot-dip galvanized finished pipe
11. Surface Treatment
Hot-dip galvanizing with uniform zinc layer
Passivation treatment for better corrosion resistance
12. Lead Time
5–7 days
13. Certificates
Mill Test Certificate (MTC), ISO 9001, SGS, BV
14. Payment Terms
T/T, L/C, D/P, D/A
15. Loading Port
Tianjin, Qingdao, Shanghai
Send Inquiry to This Supplier
You May Also Like
-
Steel H Beam & H-Beam Sizes,Q235B、Q355B;ASTM A992;S235JR、S355JRNegotiableMOQ: 5 Metric Tons
-
Steel H Beam & H-Beam Sizes,Q235B、Q355B;ASTM A992;S235JR、S355JRNegotiableMOQ: 5 Metric Tons
-
Steel Angle & Angle Steel For Steel Structure,Q235B、Q355B、S235JR、S355JR、A36NegotiableMOQ: 5 Metric Tons
-
Steel Angle & Angle Steel For Steel Structure,Q235B、Q355B、S235JR、S355JR、A36NegotiableMOQ: 5 Metric Tons
-
Steel Angle & Angle Steel For Steel Structure,Q235B、Q355B、S235JR、S355JR、A36NegotiableMOQ: 5 Metric Tons
-
Flat Steel & Flat Square Tube,Q235B / Q355B / S235JR / S355JR / A36 / SS400NegotiableMOQ: 5 Metric Tons
-
Flat Steel & Flat Square Tube,Q235B / Q355B / S235JR / S355JR / A36 / SS400NegotiableMOQ: 5 Metric Tons
-
Flat Steel & Flat Square Tube,Q235B / Q355B / S235JR / S355JR / A36 / SS400NegotiableMOQ: 5 Metric Tons
-
Steel Wire & Galvanized Steel Wire,Q195、Q235、S235JR、45#、55#、60#、65#、70#、82BNegotiableMOQ: 5 Metric Tons
-
Steel Wire & Galvanized Steel Wire,Q195、Q235、S235JR、45#、55#、60#、65#、70#、82BNegotiableMOQ: 5 Metric Tons