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ERW Black Bright Hot Dipped Galvanised Steel Round Tube GB 20mm

ERW Black Bright Hot Dipped Galvanised Steel Round Tube GB 20mm

Brand Name:ZGMC
Certification:ISO TUV SGS BIS CE
Model Number:Galvanized Steel
Minimum Order Quantity:3Tons
Delivery Time:5-15days depend on the quantity
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram,OA
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Location: Qingdao Shandong China
Address: Xifu Town Street, Chenyang District,Qingdao Shandong
Supplier`s last login times: within 32 hours
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Product Details

Hot Dipped Galvanized Steel Round Pipe / Tube GB Standard At Competitive Price


Product Description:


Product NameHot Dipped Galvanized Steel Round Pipe / Tube GB Standard At Competitive Price
MaterialQ195 Q235 Q345
Wall Thickness1mm~20mm
Outer Diameter20-406mm

Length

Length:Single random length/Double random length

5m-14m,5.8m,6m,10m-12m,12m or as customer's actual reques
StandardASTM A53,BS1387-1985,GB/T3091-2001,GB/T13793-92, GB/T6728- 2002,API 5L
PackingBundle, or with all kinds of colors PVC or as your requirements
Pipe EndsPlain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc.

Surface Treatment

1. Galvanized

2. PVC,Black and color painting

3. Transparent oil,anti-rust oil

4. According to clients requirement
Product Application1. Fence, greenhouse, door pipe,greenhouse

2. Low pressure liquid, water, gas, oil, line pipe

3. For both indoor and outdoor the building construction

4. Widely used in scaffolding construction which is much cheaper and convenient
OriginTianjin China
CertificatesAPI ISO9001-2008,SGS.BV,API,
Delivery TimeUsually within 10-45 days after receipt of advance payment

Sizes Range:

Inner Diameter: 12-1100mm

Wall Thickness: 2~55mm

Max Length: 12 meters


Dimension Tolerance:


Processing WayCylinder Barrel ID (mm)Max Length (mtr)Straightness (mm/mtr)ID ToleranceWall Thickness Tolerance (mm)ID Roughness (μm)
Cold Drawn40-320120.2-0.5H8-H10±5%0.8-1.6
Cold Rolled12-100120.2-0.5H8-H10±5%0.8-1.2
Cold Drawn+Honed40-50080.2-0.3H7-H9±5%0.2-0.8
Cold Drawn-SRB40-40070.2-0.3H8-H9± 5%0.2-0.4
Deepth Drilling-Honed320-110080.2-0.3H7-H9±8%0.2-0.8
Deepth Drilling-SRB320-60070.2-0.3H8-H9±8%0.2-0.4

Process:

Raw materials- Cold drawn/rolled- Heat treatment (BKS)- Honed or SRB- packing.


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.

China ERW Black Bright Hot Dipped Galvanised Steel Round Tube GB 20mm supplier

ERW Black Bright Hot Dipped Galvanised Steel Round Tube GB 20mm

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