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Seamless carbon heat-exchanger tube

ASTM A556/A556M-96(2012) Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes

Application: This type tube is widely used for shell & tube bundle heat-exchanger, condenser and similar heat transfer equipments.

Standard: ASME SA556/ASTM A556


OD: 15.9-31.8 mm

WT:1-15 mm

Length: 6-28 meters

Remarks: 19.05 X 2.11(MWT), 25.4 X 2.77MWT) are common size.

Fabricating process: Seamless & Cold drawn

Heat treatment: Annealed

Non-destructive test:  100% Eddy Current Test

Package: Bundle package or plywood box


Standead Grade  Chemical  Composition%
C Si Mn P S
ASME      SA-556/ 556M B2 ≤0..27 ≥0.10 0.29-0.93 ≤0.035 ≤0.035
C2 ≤0.30 ≥0.10 0.29-1.07 ≤0.035 ≤0.035


Standead Grade  Chemical Composition%
Tensile Strength(Mpa) Yield Strength(Mpa) Elongation(%)
ASME      SA-556/ 556M B2 ≥410 ≥260 ≥30
C2 ≥480 ≥280 ≥30
Category: Superheater tube

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