ASTM A209 Seamless Carbon Steel Super Heater Tubes

ASTM A209 Seamless Carbon Steel Super Heater Tubes

OD:12.7 to 127 mm
WT:0.9 to 12.7 mm
Length:5.8m,6m or as your request
Grade: T1, T1a, T1b
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Product Details

ASTM A209 / A209M, ASME SA209 T1, T1a, T1b is the standard applicable to seamless carbon-Molybdenum Alloy-Steel Boiler and Super heater Tubes. 

OD:12.7 to 127 mm

WT:0.9 to 12.7 mm

Length:5.8m,6m or as your request

Grade: T1, T1a, T1b 

Chemical composition 

Grade

C

Si

Mn

P

S

Mo

Cr

T1

0.10-0.20

0.10-0.50

0.30-0.80

≤0.025

≤0.025

0.44-0.65

/

T1a

0.15-0.25

0.10-0.50

0.30-0.80

≤0.025

≤0.025

0.44-0.65

/

T1b

0.14max

0.10-0.50

0.30-0.80

≤0.025

≤0.025

0.44-0.65

/

 Mechanical Properties

Mechanical Properties

Grade

Tensile

Yield

Elongation

Hardness

Strength (Mpa)

Strength (Mpa)

(%)

(HRB)

T1

≥380

≥205

≥30

≤80

T1a

≥365

≥195

≥30

≤81

T1b

≥415

≥220

≥30

≤77

 ASTM A209 /A209M ASME SA209 tubes shall be made by the seamless process and shall be either hot-finished or cold finished as specified. It covers several grades of minimum- wall-thickness, seamless, carbon-molybdenum alloy-steel, boiler and super heater tubes. 

Package: hexagonal bundled or loose packing.

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