ERW Welded Pipe For Water Transport - Q345B, Wall Thickness 2mm-12mm
Product Overview
|
Item |
Details |
|
Product Name |
ERW Welded Pipe for Water Transport (Q345B, 2mm-12mm Wall Thickness) |
|
Material |
Q345B Carbon Steel (equivalent to 16Mn steel, excellent mechanical strength and corrosion resistance) |
|
Welding Technology |
High-frequency electric resistance welding (ERW), straight longitudinal seam without extra metal filler |
|
Key Advantage |
Delivers 98% pressure bearing capacity of seamless pipe at only 65% of seamless pipe cost |
|
Main Application |
Low-pressure fluid (water, sewage, oil, gas) transportation, construction, structural engineering, mechanical components |
Available Sizes & Wall Thickness
|
Nominal Pipe Size (NPS) |
DN |
Outer Diameter (mm) |
Available Wall Thickness (mm) |
|
1/2" |
15 |
21.3 |
2.0 - 3.73 |
|
3/4" |
20 |
26.7 |
2.0 - 3.91 |
|
1" |
25 |
33.4 |
2.0 - 4.55 |
|
1 1/4" |
32 |
42.2 |
2.0 - 4.85 |
|
1 1/2" |
40 |
48.3 |
2.0 - 5.08 |
|
2" |
50 |
60.3 |
2.0 - 5.54 |
|
2 1/2" |
65 |
73 |
2.0 - 7.01 |
|
3" |
80 |
88.9 |
2.5 - 7.01 |
|
4" |
100 |
114.3 |
3.0 - 8.56 |
|
6" |
150 |
168.3 |
4.0 - 10.0 |
|
8" |
200 |
219.1 |
6.0 - 12.0 |
|
10" |
250 |
273 |
6.0 - 12.0 |
|
12" |
300 |
323.9 |
6.0 - 12.0 |
|
16" |
400 |
406.4 |
6.0 - 12.0 |
Standard Length Options
|
Length Type |
Available Dimensions |
|
Random Length |
4 m-10m |
|
Fixed Length (SRL/DRL) |
4m, 5.8m, 6m, 6.4m, 7m, 8m, 12m, custom length available |
Chemical Composition of Q345B (Weight %)
|
Element |
Content Range |
|
Carbon (C) |
≤ 0.20% |
|
Silicon (Si) |
≤ 0.50% |
|
Manganese (Mn) |
1.00-1.60 percent |
|
Phosphorus (P) |
≤ 0.040% |
|
Sulfur (S) |
≤ 0.040% |
|
Vanadium (V) |
≤ 0.15% |
|
Niobium (Nb) |
≤ 0.09% |
|
Titanium (Ti) |
≤ 0.12% |
Mechanical Properties
|
Property |
Value |
|
Yield Strength (σs) |
≥ 345 MPa |
|
Tensile Strength (σb) |
470 - 630 MPa |
|
Elongation (δ) |
≥ 21% |
|
Impact Toughness (V-notch, 20℃) |
≥ 34 J |
Applicable Standards
|
Standard System |
Standard Number |
|
Chinese National Standard |
GB/T 3091-2008, GB/T 3091-2001, SY/T 5037 |
|
American Standard |
ASTM A53, ASTM F1083, API 5L Gr. B |
|
British Standard |
BS 1387, BS EN 10025 |
|
Other Standards |
Can be customized to meet other international standards upon request |
Product Options
|
Category |
Available Options |
|
Surface Treatment |
Bare black steel, anti-rust oil, hot dip galvanized, 3PE coating, varnish coating, painting, as customer requirement |
|
Pipe End Treatment |
Plain end, beveled end, threaded end with coupling, socket with holes, with PVC cap/clamp, as customer requirement |
|
Packaging |
Bundled in 2000kg max bundles, waterproof paper wrapping, plastic caps on both ends, bulk packaging for large quantity, custom packaging available |
|
Certification |
ISO 9001, SGS, CE, third-party inspection report available upon request |
Main Applications
|
Application Field |
Specific Usage Scenarios |
|
Fluid Transportation |
Potable water supply, sewage discharge, oil and natural gas transmission, pump well piping |
|
Construction Engineering |
Building structure, curtain wall, support, scaffold, fence post |
|
Agricultural Infrastructure |
Greenhouse frame, agricultural irrigation piping |
|
Industrial Manufacturing |
Mechanical components, equipment shaft, wire casing, transformer pipe |
|
Infrastructure Project |
Urban pipeline network, water conservancy project |
Minimum Order & Supply Capacity
|
Item |
Details |
|
Minimum Order Quantity |
5 Tons |
|
Monthly Supply Capacity |
10,000+ Tons |
|
Port of Shipment |
Tianjin Port, China (other Chinese ports available upon request) |
|
Delivery Time |
7 - 15 working days after deposit receipt (depends on order quantity) |
|
Payment Terms |
T/T, L/C at sight, other negotiable |
Why Choose Our Q345B ERW Welded Pipe?
★Strict quality control: 100% hydraulic pressure test, bending and flattening inspection to avoid leakage and defect.
★Cost-effective: Competitive price with reliable performance that meets engineering requirements.
★Customization service: Support custom size, length, surface treatment and standard to match your project needs.
★Stable supply: Large raw material inventory ensures on-time delivery for large orders.
★Export experience: Professional export packaging and documentation for smooth global logistics.
