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| Comparative
Properties Of Materials |
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CHEMICAL
COMPOSITION(%) |
PHYSICAL
PROPERTIES |
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| GRADE TP |
C
max |
Min max |
P max |
S max |
Si |
Ni |
Cr |
Mo |
Ti |
Tensile Strength ksi(MPa) |
Yield Strength ksi(MPa) |
Elongation in 2 inches %-min |
Max. Hardness |
Thermal
Conductivity Cal/Sec. Cm.°c at Temp. Range20-500°c |
Co-efficient
of expansion x 10° -Cm/Cm, °c at Temp. Range 20-870°c |
|
| Brinnel |
Rockwell "B" |
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304 |
0.080 |
2.00 |
0.04 |
0.03 |
0.75 |
8-11.00 |
18-20.00 |
- |
- |
75(515) |
30(205) |
35 |
200 |
90 |
0.051 |
19.8 |
304L |
0.035 |
2.00 |
0.04 |
0.03 |
0.75 |
8-13.00 |
18-20.00 |
- |
- |
70(485) |
25(170) |
35 |
200 |
90 |
0.051 |
19.8 |
310 |
0.080 |
2.00 |
0.04 |
0.03 |
0.75 |
19-12.00 |
24-26.00 |
- |
- |
75(515) |
30(205) |
35 |
200 |
90 |
0.044 |
18.8 |
316 |
0.035 |
2.00 |
0.04 |
0.03 |
0.75 |
11-14.00 |
16-18.00 |
2-3.00 |
- |
75(515) |
30(205) |
35 |
200 |
90 |
0.042 |
19.3 |
316L |
0.035 |
2.00 |
0.04 |
0.03 |
0.75 |
10-15.00 |
16-18.00 |
2-3.00 |
- |
70(485) |
25(170) |
35 |
200 |
90 |
0.042 |
19.3 |
316Ti |
0.080 |
2.00 |
0.04 |
0.03 |
1.00 |
11-14.00 |
16.5-18.5 |
2.25-3.00 |
≥5c |
78(540) |
30(205) |
35 |
200 |
90 |
0.042 |
19.3 |
321 |
0.035 |
2.00 |
0.04 |
0.03 |
0.75 |
9-13.00 |
17-20.00 |
- |
≥5c |
75(515) |
30(205) |
35 |
200 |
90 |
0.051 |
19.8 |
317L |
0.035 |
2.00 |
0.04 |
0.03 |
0.75 |
11-15.00 |
18-20.00 |
3- 4.00 |
- |
70(485) |
25(170) |
35 |
200 |
90 |
0.049 |
17.5 |
Requirements
Of Testing |
.Permissible
Variations In Dimensions |
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ASTM
Standard |
Flange/
Flaring |
Flattering |
Reverse Flattering |
Reverse Bending |
Tensile |
Hydrostatic‡ |
Hardness |
Outside
Dia. (mm) |
Wall
Thickness (%) |
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Over |
Under |
Over |
Under |
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A-213 |
0 |
0 |
- |
- |
0 |
0 |
0 |
≤38 mm O.D | 0.1 - 0.15 |
0.1 - 0.15 |
20 |
0 |
A-249 |
0 |
0 |
- |
0 |
0 |
0 |
0 |
≥38mm up to 76 mm | 0.2 - 0.38 |
0.2 - 0.38 |
10 |
10 |
A-269 |
0 |
- |
0 |
- |
- |
0 |
0 |
0.13 - 0.38 |
0.13 - 0.38 |
10 |
10 |
|
A-270 |
- |
- |
0 |
- |
- |
0 |
- |
0.05 - 0.08 |
0.20 - 0.30 |
12.5 |
12.5 |
|
A-312 |
- |
0 |
- |
- |
0 |
0 |
- |
≤38 mm N.B. | 0.40 |
0.79 |
N.S* |
12.5 |
| ≥38 mm N.B. | 0.79 |
0.79 |
N.S* |
12.5 |
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| 0 = Test Required | ‡ = Max:2500lbs/in ² | * = Not Specified | Eddy-current non destructive and intergramular corrosion-resistance test can be offered on request |