RHS 25*50 Pre Galvanized Hollow Section , Galvanized Rectangle Pipe , Gi Steel Tube
Product Description:
Product Name | RHS 25*50 Pre Galvanized Hollow Section , Galvanized Rectangle Pipe , Gi Steel Tube |
Specifications | Rectangular pipe: 20*40mm~300*500mm Thickness: 1.2mm~20mm Length: 2.0m~12m |
Material | Low carbon steel |
Steel Grade | Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2 Q195 = S195 / A53 Grade A |
Standard | GB/T 6728 EN10219, EN10210 |
Surface Anti-rusty Coating | hot dipped galvanized (Zinc coating: 200-600g/m2 ) pre-galvanized (Zinc coating: 40-80g/m2) |
Pipe Ends | Plain ends |
Certificates | ISO 9001 |
Packing and Shipment | 1. 25 tons/container and 5 tons/size for a trial order; 2. OD 300mm and below In hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles |
Usage | Greenhouse frame steel pipe Structure steel pipe Construction / building materials steel pipe Solar structure component steel pipe Fence post steel pipe |
Trade terms | EXW, FOB, CFR, CIF,FCA |
Payment terms | T/T, LC |
Delivery time | 15-45 days (based on quantity) after receiving advanced payment by T/T or LC . |
Main market | Middle East, Europe, Southeast Asia, South Asia, Middle&South America, Africa and Oceania |
Dimension Tolerance:
Processing Way | Cylinder Barrel ID (mm) | Max Length (mtr) | Straightness (mm/mtr) | ID Tolerance | Wall Thickness Tolerance (mm) | ID Roughness (μm) |
Cold Drawn | 40-320 | 12 | 0.2-0.5 | H8-H10 | ±5% | 0.8-1.6 |
Cold Rolled | 12-100 | 12 | 0.2-0.5 | H8-H10 | ±5% | 0.8-1.2 |
Cold Drawn+Honed | 40-500 | 8 | 0.2-0.3 | H7-H9 | ±5% | 0.2-0.8 |
Cold Drawn-SRB | 40-400 | 7 | 0.2-0.3 | H8-H9 | ± 5% | 0.2-0.4 |
Deepth Drilling-Honed | 320-1100 | 8 | 0.2-0.3 | H7-H9 | ±8% | 0.2-0.8 |
Deepth Drilling-SRB | 320-600 | 7 | 0.2-0.3 | H8-H9 | ±8% | 0.2-0.4 |
Standard and Optional Testing:
1. Visual and dimensional test 100%.
2. Eddy current test 100% acc. to EN 10246-3.
3. Ultrasonic test 100% acc. to EN 10246-7.
4. Chemical composition.
5. Impact test.
Main Features:
1. Roughness(Ra) can be 0.08µm or less.
2. Ovality can be 0.01 mm or less.
3, Hardness can be HV4° or higher.
Main Application:
Hydraulic Cylinder, Hydraulic Jack, hydraulic oil cylinder pneumatic cylinder,
petrifaction oil pump, coal mine, engineering machinery, crane and transport machinery,
auto transmission axes, plastic machinery, engineering machinery, crane and transport machinery,
auto transmission axes, plastic machinery, hydraulic oil cylinder, pneumatic cylinder, absorber,
spin printing and dyeing.
Package:
1. Bundle Packing.
2. Plain end or vanished as per customer’s request.
3. Wrapped in waterproof paper.
4. Sackcloth with several steel strips.
5. Pack in heavy tri-wall boxes.