ASTM A249 Weld Steel Tubes

TP304L & TP316L Bright Surface Weld Tubes for Superheater, Heat-Exchanger, and Condenser.

  • Grades: TP304/L, TP309S/H, TP310S/H, TP316/L, TP317/L, TP347/H.
  • OD: 3.2-304.8mm; WT:0.4-8.1mm; Length: up to 12 meters.
  • Delivery Conditions: Solution Annealed(>1065℃)/ Bright surface.
  • Technique: Welded steel tube and heavily cold worked (HCW).
  • Tolerance: Wall thickness tolerances shall be ±10 % of nominal wall for all tubing sizes

A free SGS/BV inspection...

for the first cooperative customer!


  1. Hardness: Shall be performed on each grade;
  2. Grain size: TP309H, TP310H-sahll be No.6 or coarser; TP304H, TP316H, TP321H, TP347H-shall be No.7 or coarser;
  3. Tensile Test;
  4. Flattening Test;
  5. Flange Test;
  6. Reverse-Bend Test;
  7. Hydrostatic or Nondestructive Electric Test;


  1. Boiler tubes;
  2. Condenser tube;
  3. Heat exchanger tube;
  4. High temperature applications services; 
  5. Superheater tubes;

Sample under 10 kg is FREE of charge...​


  1. Sea-worthy bags for big diameter pipes.
  2. Plywood boxes for pipes under 5″.
  3. Plastic caps on both ends.
  4. Marking follow ASTM A1016/A1016M.
Marking sample: “UNION VICTORY, ASTM A249 TP304L WELD TUBE, OD19.05*WT0.7MM, L4,500MM, HT, HEAT NO.888666, LOT NO.123456, MADE IN CHINA”

As a leading China stainless weld tubes supplier, we export thousand of tons small diameter A249 TP304L, TP316L weld tubes to USA, CHILE, PERU, AU, UK, GERMAN, IRAN, UAE, OMAN…Contact us for more information.

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