 |
Standard: ASTM A269/ASME SA269 Material: 304, 304L, 316, 316L, 321, 347 Size: OD(16-159mm) x WT (1.5-13mm) Application: Boiler, heat Exchanger, etc. Inspection items: Chemical Composition;Size;Flaring test(seamless);flanging test(welded);Bending test;Hydrostatic Test or Eddy current test or Ultrasonic test;Surface quality;Hardness Negotiated items: Intercrystalline corrosion test;Stabilization heat treatment;BKS tube;Air pressure test under water. |
Chemical Composition
|
Material |
ASTM A269 Chemical Composition % Max |
||||||||||
|
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
NB |
Nb |
Ti |
|
|
TP304 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0-20.0 |
8.0-11.0 |
… |
… |
…. |
… |
|
TP |
0.035 |
2.00 |
0.045 |
0.030 |
1.00 |
18.0-20.0 |
8.0-12.0 |
… |
… |
… |
… |
|
TP316 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
… |
… |
… |
|
TP |
0.035 D |
2.00 |
0.045 |
0.030 |
1.00 |
16.0-18.0 |
10.0-15.0 |
2.00-3.00 |
… |
… |
… |
|
TP321 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0-19.0 |
9.0-12.0 |
… |
… |
… |
|
|
TP347 |
0.08 |
2.00 |
0.045 |
0.030 |
1.00 |
17.0-19.0 |
9.0-12.0 |
|
|
|
… |
Mechanical properties
|
Material |
Heat treatment |
Temperure F(C) Min. |
Hardness |
|
|
Brinell |
Rockwell |
|||
|
TP304 |
Solution |
1900 (1040) |
192HBW/200HV |
90HRB |
|
TP |
Solution |
1900 (1040) |
192HBW/200HV |
90HRB |
|
TP316 |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
|
TP |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
|
TP321 |
Solution |
1900(1040)F |
192HBW/200HV |
90HRB |
|
TP347 |
Solution |
1900(1040) |
192HBW/200HV |
90HRB |
Size Tolerance
|
OD, inch |
OD Tolerance inch(mm) |
WT Tolerance % |
Length Tolernace inch(mm) |
|
|
+ |
- |
|||
|
≤1/2 |
±0.005(0.13) |
±15 |
1/8(3.2) |
0 |
|
>1/2~11/2 |
±0.005(0.13) |
±10 |
1/8(3.2) |
0 |
|
>11/2~<31/2 |
±0.010(0.25) |
±10 |
3/16(4.8) |
0 |
|
>31/2~<51/2 |
±0.015(0.38) |
±10 |
3/16(4.8) |
0 |
|
>51/2~<8 |
±0.030(0.76) |
±10 |
3/16(4.8) |
0 |
|
8~<12 |
±0.040(1.01) |
±10 |
3/16(4.8) |
0 |
|
12~<14 |
±0.050(1.26) |
±10 |
3/16(4.8) |
0 |