Boiler, superheater and heat exchanger seamless ferritic and austenitic alloy steel pipe (American Standard -ASTM A213、ASME SA213)


Standard:

ASTMA213 --- American Society for Testing and Materials Standards

ASMESA213 --- American Society of Mechanical Engineers standards

 

Purpose:

Boilerand Superheater for minimum wall thickness seamless ferritic and austeniticsteel and austenitic steel heat exchanger.

 

The main production steel grades:

T11,T12, T22, etc. are negotiated, but also supply other grades of steel.

Mechanical properties:

Standard

Grade

Tensile strength (MPa)

Yield strength (MPa)

Elongation (%)

ASTMA213
ASME
SA213

T11

≥415

≥170

≥30

T12

≥415

≥205

≥30

T22

≥415

≥205

≥30


 

Chemical composition:

Standard

Grade

C

Si

Mn

PS

Cr

Mo

V

Cu

Ni

ASTM A213
ASME SA213

T11

0.050.15

0.501.00

0.300.60

≤0.025

1.001.50

0.440.65

/

/

/

T12

0.050.15

≤0.50

0.300.61

≤0.025

0.801.25

0.440.65

/

/

/

T22

0.050.15

≤0.50

0.300.60

≤0.025

1.902.60

0.871.13

/

/

/