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Galvanized Steel Structural Pipe Design 3/4" Carbon Seamless Astm A790 Uns S32205 S32750

Categories Structural Steel Pipe
Model Number: Seamless Pipe
Certification: CE ISO
Place of Origin: China
Product Name: Alloy Steel Seamless Pipe
Application: Structure Pipe, Fluid Pipe, Boiler Pipe, Gas Pipe, Oil Pipe
Surface: Bare/Oil/Paint/Varnish
Length: 1m-12m
Outer Diameter: 6mm-530mm
Wall Thickness: 0.5mm-40mm
Standard: ASTM, DIN, GB, JIS, API, BS
Technique: Hot Rolled, Cold Rolled, Cold Drawn
Tolerance: ±1%
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Galvanized Steel Structural Pipe Design 3/4" Carbon Seamless Astm A790 Uns S32205 S32750

Hot Sell Seamless Steel Tube/Structure Tube/Carbon Seamless Structure Steel Pipe​

The difference between structural seamless pipe and fluid seamless pipe:
The main difference between it and structural seamless steel pipes is that fluid seamless steel pipes undergo hydraulic testing or ultrasonic, eddy current, and magnetic flux leakage testing one by one. Therefore, in the standard selection of pressure pipeline steel pipes, it is not suitable to use fluid seamless steel pipes.


TypeMain MaterialOperational StandardSpecificationUse
Alloy PipeP5/T5, STFA25, P11, P12, STFA22, 13CrMo44, 12Cr1MoV, P22, 10CrMo910, T91/P91, P9/T9, WB36GB5310-2008∮16-426×2-90mmPetroleum Chemical Industry, Electric Power, High Temperature Resistant
ASTM A335/A335M
ASTM A213/A213M
High Pressure Boiler Pipe20G, 12Cr1MoVG, 15CrMoG, ST45.8/IIIGB5310-2008∮16-824×2-65mmHeat Resistant Seamless Steel Pipe Used for High Pressure Boiler
ASTM A106-1999
Petroleum Cracking Pipe20, 1Cr5Mo, 15CrMoGB9948-2006∮10-530×1.5-36mmPetroleum Refinery Furnace Tube, Heating Exchange Pipe, Seamless Pipe Used in Conduit
Pipe for chemical fertilizer facility20, 16Mn, 12Cr2MoGB6479-2000∮25-426×6-40mmChemical Fertilizer Facility Pipe
Low or Middle Pressure Boiler Pipe10, 20GB3087-2008∮10-426×2-40mmLow Pressure Boiler Heating Exchange, Boiling Water Pipe, Vehicle Vent-pipes
Fluid Pipe20, Q345GB/T8163-2008∮8-610×1.5-40mmFluid Transportation
Structure Pipe20, 45, 40Cr, Q345GB/T8162-2008∮6-610×1.5-40mmIn General Structure
Pipe of PipelinesB, X42, X52API 5L-2000∮40-325×3-40mmPetroleum, Gas transportation
Pipe for Hydraulic pressure Cylinder20, 45, 27SiMnGB/T17396-1998∮70-377×12-40mmHydraulic Pressure Bracket
Pipe for Manage ship360, 410GB/T5312-1999∮14-426×2-45mmMake shipping to use and manage
Oil PipeJ55, K55, N80, L80, P110API 5CT-2005∮60-114×4-12mmTransmission oil pipeline
Drill PipeE75, X95, G105, S135API 5D-2001∮60-139×6-13mmOil well drilling
Casing PipeJ55, K55, N80, L80, P110API 5CT-2005∮114-273×4-13mmOil well wall lining


The scope of use of structural seamless steel pipes includes general building structures and mechanical structures, such as steel structure workshops, automobile chassis, plastic machinery, etc. At present, structural seamless steel pipes have been widely used in construction, machinery, transportation, aviation, oil exploration and other industries.


Q1. Are you a manufacturer or trader?

We are a manufacturer, and we can have our own factory produced many steel products.

Q2. Whether your company supports Trade Assurance order?

Yes, we can (100% product quality protection; 100% on-time shipment protection; 100% payment protection)

Q3. Can we get the some samples? Any charges?

Yes, you can get available samples in our stock. If the samples from new production, we will charge some reasonable cost, but this amount will be deducted from your first order.

Q4. How do we build up business relations with your company?

Send us your requirement which includes size, coating info, parameters, quantity, destination .

Q5. What is the MOQ?

We can accept small orders. Please feel free to contact us, we can meet your requirements.

Q6. What's your advantage?

With high-quality products and efficient customer service, we adhere to the principle of customer first.

Q7. How long is your delivery time?

Delivered within 15 days after receipt of deposit.

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