TP304, TP316
Stainless Steel Tube
ASTM, AISI, GB, JIS, DIN, EN
Ba or Ep
ISO
Round
Cold Rolled
Bright Annealed or Electric Corrosion
3mm to 65mm
0.4 Max
Tongji Engineering
Wooden Case
acc to the ASTM specifications or others
China
7304419000
Product Description

Tongji Engineering offers a comprehensive list of tubing alloys to fit the most and least common applications.
Stainless Steel: 304 Tubing, 316/ 316L/ 316H, 317/ 317L, 309S/ 310H, 310S/ 310H, 321/321H, 347/ 347H
Duplex Stainless Steel: UNS S31803, S32304, S32205, S32750, S32507, S31050, S33207, S32101
Super Austenitic : 6 Moly, 825, 904L, 800/ 800H, N08811
Markets We Serve:
Oil & Gas, Power Generation, Chemical, Petrochemical, Food & Dairy, Beverage, Pharmaceutical, Biopharmaceutical, General Commercial, Specialty Automotive
We always seek and improve our service as per requirement of our valued customers.

Commodity | TP304L Heat exchanger seamless tube |
Process method | Cold drawn/ Cold rolled/ Welded. |
Materials Grades | TP304L, UNS N30403 |
Standards: | ASTM A249,A269, ASTM A312 ,ASTM A789/ A790, ASTM A511 or Closer |
Size | NPS:1/8 to 40" , Schedule: 5S to XXS. Length: 20m or as required. |
OD: 3 - 1016 mm, Wt: 0.5~ 25mm, Length:20m or as required. | |
Shape | In straight length or as U-bend |
Surface Finished | Bright Annealed/ Picking/ Manual Polish/ Mechanical Polish or as required |
Inspection Testing | 100% Ultrasonic Test, 100%Eddy Current Test, 100%Hydraulic Test, 100% X-Ray Test to welded pipe or as required. |
Mechanical Test, Hardness Test, Inter-granular corrosion Test. | |
Certificate | EN 1024 3.1/ 3.1B/ 3.2, PED, DNV, TUV. |
Packing | Wooden case/ Steel framed plywood case/ simple packing. |
Delivery Time | By mutual agreement. |