30 HGSA ERW Steel Pipe For Thermal Improvement Bared Finish Alloy Steel

Place of Origin China
Brand Name Best
Certification API /CE / ISO /TUV
Model Number 1/2'' -48''
Minimum Order Quantity 1 TONS
Price 450 USD/TON
Packaging Details 1) In bundle with strip; 2) First packing by plastic bag then strip; Details packing please see the picture in the detial description.
Delivery Time Shipped in 25 days after payment
Payment Terms L/C, T/T
Supply Ability 100000 Ton/Year

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Product Details
Standard API/ASTM Grade 30HGSA
Technique Alloy Tubes Finish Bared
Keyword Welded Steel Pipe/ Tubes Inspection With Hydraulic Testing
Surface Barded /Painting/3PE
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Product Description
Production Information : ERW alloy tubes for thermal improvement 30HGSA




Steel tubes - the use of tubes in industry is very wide.


Generally, from stainless steel balustrades and constructions, to gas pipelines or refinery pipelines, the scope of projects is much bigger than you can imagine. In the VIRGAMET's offer we have available:

  • Seamless alloy tubes for thermal improvement 30HGSA
  • Boiler tubes for high temperature operation
  • Tubes on furnace muffles and thermocouples guards
  • Steam pipes and superheater tubes
  • Stainless steel pipes, chromium-nickel corrosion-resistant
  • Seamless stainless duplex and superduplex steel tubes
  • Thermocouple pipes, thermocouple guards
  • Pipes resistant to carburizing gases at the cracking of oil
  • Hydrogen resistant pipes at high pressures
  • Pipes for pressure equipment and gas appliances for power industry
  • Pipes for exhaust gases containing sulfur compounds
  • Tubes for exchangers and components of heat exchangers
  • Seamed tubes for construction and installation applications
  • Acid resistant pipes for the transport of liquids in the form of chemical compounds
  • Seamless tubes for aviation industry
  • Pipes for sports frames and construction of racing and performance vehicles
  • High-carbon bearing tubes 100Cr6, ŁH15
  • Stainless steel pipes for water supply, gas installation, and heating installation
  • Capillary tubes, stainless steel capillaries, acid resistant, heat resistant, nickel and titanium alloys.
  • Hydraulic and high pressure tubes
  • Pipes for chemical, petroleum and gas industries
  • Tubes for automotive industry
  • Pipes for medical engineering, nuclear and power engineering
  • Pipes for measurement control equipment
  • Heat and creep resistant tubes


Standard description Hot finished structural hollow sections of non-alloy and fine grain steel.
Manufacturing Hollow sections should be manufactured as non-welded or welded sections.
Steel grades used Non-alloy steel:
S235JRH, S275JOH, S275J2H, S355JOH, S355J2H
Fine grain steel:
S275NH, S275NLH, S355NH, S355NLH, S460NH, S460NLH
Dimensions and tolerances Outside diameter D
+/- 1% with minimum +/- 0,5mm and maximum +/- 10 mm
-10%/ upper deviation limit restricted by mass deviation
+/- 6 %
Pipe lengths Any length between 4000 – 16000 with the maximum difference of 2000 per one order item
Approximate length 4000 – 16000 +/- 500
Precise length 2000 – 6000 -0/+ 10mm
More than 6000 -0/+ 15mm
Tightness No requirement to conduct leak detection testing.
Tests Mandatory requirements:
ladle analysis
tension testing
resilience testing (wall area of 6mm) (J2, N, NL groups)
external surface quality and dimensions.
non-destructive joint testing.

Optional requirements: check analysis
ladle analysis: extended (non-alloy only)
resilience testing (JR and JO) (non-alloy only)
The maximum carbon equivalent content must be met.
The material should be weldable
The material should be suitable for galvanizing.
Repair through welding (weld overlaying) on the section body is not permitted.



ERW alloy tubes for thermal improvement 30HGSA  Pictures 


30 HGSA ERW Steel Pipe For Thermal Improvement Bared Finish Alloy Steel 0