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Centerway steel specializes in the production of the stainless steel pipe and fittings, and large inventory of resources, Factory direct sales
Centerway steel specializes in the production of the stainless steel pipe and fittings, and large inventory of resources, Factory direct sales
Standard Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
Grades:TP304H, TP309H, TP309HCb, TP310H, TO310HCb, TP316H, TP321H, TP347H, and TP348H are modifications of Grades TP304, TP309S, TP309Cb, TP310S, TP310Cb, TP316, TP321, TP347, and TP348, and are intended for high-temperature service such as for superheaters and reheaters.
|
Grade |
Specification |
|
Stainless 304/304L, 304/304H |
ASTM A249/SA249 |
|
Stainless 309S |
ASTM A249/SA249 |
|
Stainless 310S |
ASTM A249/SA249 |
|
Stainless 316/316L, 316/316H |
ASTM A249/SA249 |
|
Stainless 317/317L |
ASTM A249/SA249 |
|
Stainless 321/321H |
ASTM A249/SA249 |
|
Stainless 347/347H |
ASTM A249/SA249 |
CHEMICAL COMPOSITION
|
Grade |
UNS |
Composition, % |
||||||||||||||
|
Design |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mb |
Ti |
Nb |
N |
Cu |
Ce |
B |
Al |
|
|
TP304 |
S30400 |
0.08 |
2 |
0.045 |
0.03 |
1 |
18.0–20 |
8.0–11 |
. . . |
. . . |
. . . |
. . . |
. . . |
. . . |
|
|
|
TP304L |
S30403 |
0.035 |
2 |
0.045 |
0.03 |
1 |
18.0–20 |
8.0–13 |
. . . |
. . . |
. . . |
. . . |
. . . |
. . . |
|
|
|
TP304H |
S30409 |
0.04 – 0.1 |
2 |
0.045 |
0.03 |
1 |
18.0–20 |
8.0–11 |
. . . |
. . . |
. . . |
. . . |
. . . |
. . . |
|
|
|
TP310S |
S31008 |
0.08 |
2 |
0.045 |
0.03 |
1 |
24.0- 26 |
19.0- 22 |
0.8 |
. . . |
. . . |
. . . |
. . . |
. . . |
|
|
|
TP310H |
S31009 |
0.04 – 0.1 |
2 |
0.045 |
0.03 |
1 |
24.0–26 |
19.0–22 |
. . . |
. . . |
. . . |
. . . |
|
. . . |
|
|
|
TP310H |
S31035 |
0.04 – 0.1 |
0.6 |
0.025 |
0.015 |
0.4 |
21.5–23.5 |
23.5–26.5 |
. . . |
. . . |
0.40- 0.6 |
0.20- 0.3 |
2.5- 3.5 |
. . . |
0.002- 0.008 |
|
|
TP316 |
S31600 |
0.08 |
2 |
0.045 |
0.03 |
1 |
16.0–18 |
10.0–14 |
2.00–3 |
. . . |
. . . |
. . . |
. . . |
. . . |
|
|
|
TP316L |
S31603 |
0.035 |
2 |
0.045 |
0.03 |
1 |
16.0–18 |
10.0–14 |
2.00–3 |
. . . |
. . . |
. . . |
. . . |
. . . |
|
|
|
TP316H |
S31609 |
0.04 – 0.1 |
2 |
0.045 |
0.03 |
1 |
16.0–18 |
10.0–14 |
2.00–3 |
. . . |
. . . |
. . . |
. . . |
. . . |
|
|
|
TP317 |
S31700 |
0.08 |
2 |
0.045 |
0.03 |
1 |
18.0–20 |
11.0–15 |
3.0–4 |
. . . |
. . . |
. . . |
. . . |
. . . |
|
|
|
TP317L |
S31703 |
0.035 |
2 |
0.045 |
0.03 |
1 |
18.0–20 |
11.0–15 |
3.0–4 |
. . . |
. . . |
. . . |
. . . |
. . . |
|
|
|
TP321 |
S32100 |
0.08 |
2 |
0.045 |
0.03 |
1 |
17.0–19 |
9.0–12 |
. . . |
Ti 5 × (C+N) min, 0.70 max |
. . . |
0.1 |
. . . |
. . . |
|
|
|
TP321H |
S32109 |
0.04 – 0.1 |
2 |
0.045 |
0.03 |
1 |
17.0–19 |
9.0–12 |
. . . |
4(C+N) min; 0.70 max |
. . . |
0.1 |
. . . |
. . . |
|
|
|
TP321H |
S32654 |
0.02 |
2.0-4 |
0.03 |
0.005 |
0.5 |
24.0–25 |
21.0–23 |
7.0-8 |
. . . |
. . . |
0.45- 0.55 |
0.30-0.6 |
. . . |
|
|
|
TP321H |
S33228 |
0.04 – 0.08 |
1 |
0.02 |
0.015 |
0.3 |
26.0–28 |
31.0–33 |
. . . |
. . . |
0.60- 1 |
. . . |
. . . |
0.05 – 0.1 |
|
0.025 |
|
TP321H |
S34565 |
0.03 |
5.0-7 |
0.03 |
0.01 |
1 |
23.0–25 |
16.0–18 |
4.0-5 |
. . . |
0.1 |
0.40- 0.6 |
. . . |
. . . |
|
|
|
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 |
. . . |
. . . |
. . . |
|
|
|
TP348 |
S34800 |
0.08 |
2 |
0.045 |
0.03 |
1 |
17.0–19 |
9.0–13 |
|
. . . |
. . . |
. . . |
. . . |
. . . |
. . . |
Co 0.20, Ta 0.10 |
|
TP348H |
S34809 |
0.04-0.10 |
2 |
0.045 |
0.03 |
1 |
17.0–19.0 |
9.0–13 |
. . . |
. . . |
. . . |
. . . |
. . . |
. . . |
. . . |
Co 0.20, Ta 0.10 |
|
|
OD |
WTH |
L |
|
|
ASTM A249 |
＜25.4mm |
±0.10mm |
±10.00% |
OD＜50.8mm +3.0mm -0mm |
|
≥25.4mm-38.1mm |
±0.15mm |
|||
|
≥38.1mm-50.8mm |
±0.20mm |
|||
|
≥50.8mm-63.5mm |
±0.25mm |
|||
|
≥63.5mm-76.2mm |
±0.30mm |
OD≥50.8mm +5.0 -0mm |
||
|
≥76.2mm-101.6mm |
±0.38mm |
|||
|
≥101.6mm-190.5mm |
+0.38mm -0.64mm |
|||
|
≥190.5mm-228.6mm |
+0.38mm -1.14mm |
|||
