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Model No.: GB/T 3091
Brand: Torich
Type: Welded
Certification: UL
Application: Fluid Pipe
Section Shape: Round
Surface Treatment: Galvanized
Usage: Pipeline Transport
Technique: ERW
Material: Carbon Steel
Place Of Origin: Zhejiang, China (Mainland)
Standard: DIN GB API ASTM BS DIN GB JIS
Name: GB/T3091 Low Pressure Liquid Delivery Welded Tubes
Thickness: 0.5 - 50 Mm
Outer Diameter(Round): 3 - 420 Mm
Length: 3-12m
Packaging: in hexagonal bundles or wooden box
Productivity: 25000-30000ton per year
Transportation: Ocean,Land,Air
Place of Origin: Zhejiang
Supply Ability: 60000ton per year
Certificate: ISO9001:2008 ISO14001:2008
HS Code: 7304319000
Port: Shanghai,Ningbo,Wenzhou
Payment Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
product name:
GB/T 3091 Low Pressure Liquid Delivery Welded ERW SAWL SAWH Steel Tubes
Product Item:Welded Steel Pipe , Spiral Welded Steel Pipe, Black Carbon Steel Welded Pipe, High Frequency Welded Steel Pipe
sizes:
O.D : 5mm-420mm W.T : 0.5mm-50mm Length:3000mm-12000mm
Steel material:
Q195,Q215,Q215B,Q235A,Q235B,Q235,Q345,Q345B
Zinc coating:
100-500g if galvanized
Application:
Carbon steel pipe use for construction ,building filed , low pressure liquid, water, gas, oil, line pipe
Surface Treatment:
Galvanized,Oiled,Black Painted (varnish coating),corrosion resistant coating, Anti corrosion coating
Materia: Fully killed steel, Fine grain steel with a ferritic grain size.
Straightness:
The deviation from straightness, of any tube length L, shall not exceed 0.0015L.
Deviations from Straightness over any one meter length shall not exeed 3mm.
Tube Manufacturing Process, route and delivery condition:
Rounte No. | Manufacturing Process | Manufacturing routes | Delivery condition | Applicable for quality | |||
Process | Symbol | Starting material | Forming operation | TR1 | TR1 | ||
1a | Electric welded | EW | As(hot) rolled strip | Cold formed(+welding) | As welded | X | - |
1b | NW | X | - | ||||
1c | NP | X | X | ||||
2a | Normalized rolled strip | As welded | X | - | |||
2b | NW | X | X | ||||
2c | NP | X | X | ||||
3 | As(hot)rolled or normalising rolled strip | Cold formed(+welded)+hot stretch reduced at a controlled temperature to give a normailsed condition | NR | X | X | ||
4 | Cold Rolled + streass relieved | Cold formed(+welded) | NP | X | X | ||
11a | Submerged arc-welded -Longitudinal seam or -helical seam | SAW: -SAWL -SAWH | As(hot) rolled plate or strip | Cold formed(+welded) | As welded | X | - |
11b | NW | X | - | ||||
11c | NP | X | X | ||||
12a | Normaliseing rolled plate or strip | Cold formed(+welded) | As welded | X | X | ||
12b | NW | X | X | ||||
12c | NP | X | X | ||||
13a | As in lines 11 or 12 | Normalising formed(+welded) | As welded | X | X | ||
13b | NW | X | X | ||||
13c | NP | X | X | ||||
21 | Continous welded, only for steel grades P195 and P235 with D ≤114.3mm | BW | As(hot) rolled strip | Hot formed(+welded) | As welded | X | - |
a As wekded = no heat treatment. NP=Full pipe normalsed. NW= Normalised weld zone. NR=Normaised rolled b For tubes of quqality TR2, only high-frequency welding, minimum frequency 100kHz,(symbol=HFW) is permited |
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
Product Categories : Welded Steel Pipe
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.