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ASTM A312 TP304L TP316L Structural Steel Tube Seamless For Natural Gas

ASTM A312 TP304L TP316L Structural Steel Tube Seamless For Natural Gas

  • High Light

    cold finished seamless tube


    hot dip galvanized steel pipe

  • Standard
  • Type
    Seamless, Natural Gas
  • Steel Grade
    300 Series
  • Application
    Heat Exchanger
  • Welding Line Type
  • Thickness
    0.5-12mm, 0.5-12mm
  • Outer Diameter
  • Product Name
    Stainless Steel Tube
  • Transportation
  • Cross-Section Shape
  • Usage
  • Diameter
  • Terms Of Trade
  • Certificate
    ISO9001 TS 16949 ISO14001
  • MTC
    EN10204 3.1B
  • Place of Origin
    Zhejiang, China (Mainland)
  • Brand Name
  • Certification
  • Model Number
    ANSI B36.19 / 36.10
  • Minimum Order Quantity
  • Price

ASTM A312 TP304L TP316L Structural Steel Tube Seamless For Natural Gas


ASTM A312 TP304L TP316L Natural Gas Pipe Seamless Stainless Steel Tube


Torich is a manufacturer and trader for Annealed and Pickled Thin Wall Stainless Steel Tubing, with grade TP304/304L, TP316/316L, the products are exported to over 30 countries worldwide.


Size:ANSI /ASME size is under,other standard of size is for ready choice
O.D.:0.23''to 48''(5.8-1219mm)
W.T.:0.04''to 2''(1.0-50.8mm)
Length:Max.18 Meter 
NPS 1/8''-48'' Schedule:5/5S,10/10S,20/20S,40/40S,80/80S,120/120S,160/160S according to ANSI B36.19/36.10

Stainless Steel Pipe Surface finish:Annealed,Polished
Process Method:Cold Drawn/Cold Rolled
Delivery Condition
:Annealed & Pickled



Torich's Chemical assurance
1.Each lot of raw materials will be tested by spectrometer before put in storage.
2.100%PMI the mother pipe to ensure we put right material.
2.100%PMI the finished pipe again to ensure we produced right grade
Heat Treatment Assurance
A full-automatic natural gas furnace with 24 meters in length.The real temperature tolerance could be within 10℃.
Application:Fluid and gas transport,Structure and machining.
Packing:Bundles for each piece then packed in seaworthy wooden cases.






Detailed Images










1~ Incoming Raw Material Inspection
2~ Raw Material Segregation to avoid steel grade mix-up
3~ Heating and Hammering End for Cold Drawing
4~ Cold Drawing and Cold Rolling, on line inspection
5~ Heat Treatment, +A, +SRA, +LC, +N, Q+T
6~ Straightening-Cutting to specified length-Finished Measuring Inspection
7~ Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness,                  Impact, Mictrostruture etc
8~ Packing and Stocking.




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 stainless 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