OEM Manufacturer Welding Tubes Steel Pipes Sizes - Wholesale OEM Aiyia Hollow Metal Pipe Gi Tubes Pipes Hollow Sections / Square Hollow Steel Pipe Ss440 Gi YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa

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OEM Manufacturer Welding Tubes Steel Pipes Sizes - Wholesale OEM Aiyia Hollow Metal Pipe Gi Tubes Pipes Hollow Sections / Square Hollow Steel Pipe Ss440 Gi YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa Detail:

It adheres into the tenet "Honest, industrious, enterprising, innovative" to create new merchandise regularly. It regards prospects, success as its very own success. Let us develop prosperous future hand in hand for Wholesale OEM Aiyia Hollow Metal Pipe Gi Tubes Pipes Hollow Sections / Square Hollow Steel Pipe Ss440 Gi YOUFA Brand the biggest manufacturer for carbon steel pipe, Trust us, you can locate a better remedy on car elements industry.
It adheres into the tenet "Honest, industrious, enterprising, innovative" to create new merchandise regularly. It regards prospects, success as its very own success. Let us develop prosperous future hand in hand for Galvanized Square Steel Pipe, Square Steel Pipe, Ss440 Gi, We can give our clients absolute advantages in product quality and cost control, and we now have full range of molds from up to one hundred of factories. As product updating fast, we succeed in developing many high quality items for our clients and get high reputation.

Product Hot Dip Galvanized Steel Pipe
Material Carbon Steel
Grade Q195 = S195 / A53 Grade A
Q235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2
Q345 = S355JR / A500 Grade B Grade C
Standard EN39, BS1139, BS1387, EN10255,ASTM A53, ASTM A500, A36, ASTM A795,ISO65, ANSI C80, DIN2440, JIS G3444,

GB/T3091, GB/T13793

Surface Zinc coating 200-500g/m2 (30-70um)
Ends Plain ends
with or without caps

Strict Quality Control:
1) During and after production, 4 QC staffs with more than 5 years experience inspect products in random.
2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. We own UL /FM, ISO9001/18001, FPC certificates.


learn more about certificates

quality control

Packing and Delivery:
Packing Details : in hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles.
Delivery Details : Depending on the QTY, normally one month.



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OEM Manufacturer Welding Tubes Steel Pipes Sizes - Wholesale OEM Aiyia Hollow Metal Pipe Gi Tubes Pipes Hollow Sections / Square Hollow Steel Pipe Ss440 Gi YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa detail pictures


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OEM Manufacturer Welding Tubes Steel Pipes Sizes - Wholesale OEM Aiyia Hollow Metal Pipe Gi Tubes Pipes Hollow Sections / Square Hollow Steel Pipe Ss440 Gi YOUFA Brand the biggest manufacturer for carbon steel pipe – Youfa, The product will supply to all over the world, such as: , , ,

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