ASTM A240/A240M-22a
ASTM A240 Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications.
ASTM A240 ASME SA 240 specification covers chromium, chromium-nickel, and chromium-manganese-nickel stainless steel plates, sheets, and strips for pressure vessels and for general applications. This specification covers chemical composition and mechanical properties for various grades of austenitic, duplex, super duplex, and high moly stainless steel alloys.
ASTM A240 Stainless Steel Plate Grades
ASTM A240 stainless steel plate Grades: 304, 304, 316, 316l, 316H, 321, 347H, 310s, 316Ti, 317L, 904L, Duplex ASTM A240 UNS S31803, S32205, Super Duplex S32750, S32760, S32550, High moly UNS S31254, Alloy 20, etc.
ASTM A240 Sheet Plate Chemical Composition
|
UNS Designation |
Type |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
N |
Other Elements |
|
S30100 |
301 |
0.15 |
2.00 |
0.045 |
0.030 |
1.00 |
16.0-18.0 |
6.0-8.0 |
… |
0.10 |
|
|
S30400 |
304 |
0.07 |
2.00 |
0.045 |
0.030 |
0.75 |
17.5-19.5 |
8.0-10.5 |
… |
0.10 |
|
|
S30403 |
304L |
0.03 |
2.00 |
0.045 |
0.030 |
0.75 |
17.5-19.5 |
8.0-12.0 |
… |
0.10 |
|
|
S31600 |
316 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
0.10 |
|
|
S31603 |
316L |
0.03 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
0.10 |
|
|
S31635 |
316Ti |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
16.0-18.0 |
10.0-14.0 |
2.00-3.00 |
0.10 |
Ti 5 x (C + N) |
|
S32100 |
321 |
0.08 |
2.00 |
0.045 |
0.030 |
0.75 |
17.0-19.0 |
9.0-12.0 |
… |
0.10 |
Ti 5 x (C + N) |
ASTM A240 Stainless Plate Mechanical properties
| Mechanical properties | Tensile, min, ksi[MPa] | Yield, min, ksi[MPa] | Elongation, %(min) | Hardness, HB（max） |
| TP304 | 75【515】 | 30【205】 | 35 | 192 |
| TP304L | 70【485】 | 25【170】 | 35 | 192 |
| TP316 | 75【515】 | 30【205】 | 35 | 192 |
| TP316L | 70【485】 | 25【170】 | 35 | 192 |
| 316Ti | 75【515】 | 30【205】 | 35 | 192 |
| TP317 | 75【515】 | 30【205】 | 35 | 192 |
| TP317L | 75【515】 | 30【205】 | 35 | 192 |
| TP321 | 75【515】 | 30【205】 | 35 | 192 |
| 321H | 75【515】 | 30【205】 | 35 | 192 |
| TP310 | 75【515】 | 30【205】 | 35 | 192 |
| TP310S | 75【515】 | 30【205】 | 35 | 192 |
| TP347 | 75【515】 | 30【205】 | 35 | 192 |
| S31254 | 98【675】 | 43【310】 | 35 | 220 |
| N08367 | 100【690】 | 45【310】 | 30 | 241 |
| N08926 | 94【650】 | 43【295】 | 35 | 256 |
| N08904 | 71【490】 | 31【215】 | 35 | 192 |
