Outside Diameter:1/8″ to 24″ (10.3mm to 610mm). Wall Thickness: 1mm to 80mm.
Length:Single random length/ Double random length or as customer’s actual request
Max length 25000mm.
Shape:Round.
ASME SA213/213M (Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, And Heat Exchanger tubes), Grade include as follows:
|
Grade |
Specification |
|
Stainless 304/304L, 304/304H |
ASTM A213/SA213 |
|
Stainless 309S |
ASTM A213/SA213 |
|
Stainless 310S |
ASTM A213/SA213 |
|
Stainless 316/316L, 316/316H |
ASTM A213/SA213 |
|
Stainless 317/317L |
ASTM A213/SA213 |
|
Stainless 321/321H |
ASTM A213/SA213 |
|
Stainless 347/347H |
ASTM A213/SA213 |
ASTM Referenced Standards.
A 262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels.
A 941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys.
A 1016/A 1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless-Steel Tubes.
E 112 Test Methods for Determining Average Grain Size.
Chemical Composition:
|
Grade |
UNS |
Composition, % |
||||||||||||||
|
Design |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mb |
Ti |
Nb |
N |
Cu |
Ce |
B |
Al |
|
|
TP347 |
S34700 |
0.08 |
2 |
0.045 |
0.03 |
1 |
17.0–19 |
9.0–13 |
. . . |
. . . |
See Spec |
. |
|
. |
|
|
|
TP347H |
S34709 |
0.04 – 0.1 |
2 |
0.045 |
0.03 |
1 |
17.0–19 |
9.0–13 |
. . . |
. . . |
See Spec |
. |
. |
. . |
|
|
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