ASTM A213/A450. Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat Exchanger Tubes
Nominal Pipe Size (NPS): 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1 1/4, 1 1/2, 2, 2 1/2 inch
Outside Diameter: 10,3 - 73 mm (0,405 - 2,875 inch)
Wall Thickness: 1,24 - 7,01 (0,049 - 0,276 inch)
Notes:
- Steel Grades - TP 304, TP 304L, TP 316, TP 316L, TP 321
- Technical requirements acc. to ASTM A 450.
- Size of pipes in accordance with ANSI/ASME B36.19M.
- The quality of pipes is ensured by manufacturing process and non-destructive test.
- Hardness of metal not less than 100 HB.
- Length tolerance of measured pipes not greater than +10 mm.
- Monitoring of continuity of metal by pneumotest with pressure of 6 bar is available.
- Intergranular corrosion test in accordance with ASTM A262, Practice E is available.
|
| Sizes |
NPS, inch |
Outside Diameter, mm |
Wall Thickness, mm |
Max. Length, м |
1/8 |
10,3 |
1,24; 1,73; 2,40 |
12
|
1/4 |
13,7 |
1,65; 2,24; 3,02 |
3/8 |
17,1 |
1,65; 2,31; 3,20 |
1/2 |
21,3 |
1,65; 2,11; 2,77; 3,73 |
3/4 |
26,7 |
1,65; 2,11; 2,87; 3,91 |
1 |
33,4 |
1,65; 2,77; 3,38; 4,55 |
10 |
1 1/4 |
42,4 |
1,65; 2,77; 3,56; 4,85 |
1 1/2 |
48,3 |
2,77; 3,68; 5,08 |
2 |
60,3 |
3,91; 5,54 |
7 |
2 1/2 |
73,0 |
5,16; 7,01 |
| Mechanical properties |
Steel Grade |
Tensile Strength, N/mm2 (min) |
Yield Strength, N/mm2 (min) |
Elongation, % (min) |
TP304 |
515 |
205 |
35 |
TP304L |
485 |
170 |
35 |
TP316 |
515 |
205 |
35 |
TP316L |
485 |
170 |
35 |
TP321 |
515 |
205 |
35 |
| Chemical Composition (%, max) |
Steel Grade |
C |
Si |
Mn |
Cr |
Ni |
Mo |
S |
P |
TP304 |
0,08 |
0,75 |
2 |
18 - 20 |
8 - 11 |
- |
0,03 |
0,04 |
|
0,035 |
0,75 |
2 |
18 - 20 |
8 - 13 |
- |
0,03 |
0,04 |
TP316 |
0,08 |
0,75 |
2 |
16 - 18 |
11 - 14 |
2 - 3 |
0,03 |
0,04 |
|
0,035 |
0,75 |
2 |
16 - 18 |
10 - 15 |
2 - 3 |
0,03 |
0,04 |
TP321 |
0,08 |
0,75 |
2 |
17 - 20 |
9 - 13 |
- |
0,03 |
0,04 |
|
|