Manufacturer of Q235a Spiral Welded Steel Pipe - China Gold Supplier for Sch5s-schxxs 36 Inch Steel Pipe Astm A 335 Grade P – Youfa

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We attempt for excellence, support the customers", hopes to become the top cooperation team and dominator enterprise for staff, suppliers and shoppers, realizes worth share and continual marketing for Galvanized Steel Pipe For Construction, Large Diameter Spiral Welded Steel Pipe, Pre Galvanized Square Tube, The continual availability of high grade products in combination with our excellent pre- and after-sales service ensures strong competitiveness in an increasingly globalized market.
Manufacturer of Q235a Spiral Welded Steel Pipe - China Gold Supplier for Sch5s-schxxs 36 Inch Steel Pipe Astm A 335 Grade P – Youfa Detail:

"Quality initially, Honesty as base, Sincere company and mutual profit" is our idea, in order to create repeatedly and pursue the excellence for China Gold Supplier for Sch5s-schxxs 36 Inch Steel Pipe Astm A 335 Grade P, We are confident to make great achievements in the future. We are looking forward to becoming one of your most reliable suppliers.
"Quality initially, Honesty as base, Sincere company and mutual profit" is our idea, in order to create repeatedly and pursue the excellence for 11 Alloy Steel Galvanized Pipe, In order to make more people know our goods and to enlarge our market, now we have devoted a lot of attention to technical innovations and improvement, as well as replacement of equipment. Last but not the least, we also pay more attention to training our managerial personnel, technicians and workers in planned way.

Product Fire Sprinkler 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 GB/T3091, GB/T13793API 5L, ASTM A53, A500, A36, ASTM A795
Specifications ASTM A795 sch10 sch30 sch40
Surface Painted Black or Red
Ends Plain ends
Grooved ends




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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Manufacturer of Q235a Spiral Welded Steel Pipe - China Gold Supplier for Sch5s-schxxs 36 Inch Steel Pipe Astm A 335 Grade P – Youfa detail pictures


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Innovation, quality and reliability are the core values of our company. These principles today more than ever form the basis of our success as an internationally active mid-size company for Manufacturer of Q235a Spiral Welded Steel Pipe - China Gold Supplier for Sch5s-schxxs 36 Inch Steel Pipe Astm A 335 Grade P – Youfa, The product will supply to all over the world, such as: Moldova, Iraq, Austria, Each year, many of our customers would visit our company and achieve great business advancements working with us. We sincerely welcome you to visit us at any time and together we will prevail to a greater success in the hair industry.
  • This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Nick from Portugal - 2015.03.03 13:09
    The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Dana from Portland - 2015.09.23 18:44