ASTM A312 TP304 Specification
| STAINLESS STEEL [SS] 304 / H / L / N / LN |
| AISI |
304 / 304H / 304L / 304N / 304LN |
| UNS |
S30400 / S30409 / S30403 / S30451 / S30453 |
| Werkstoff Nr. |
1.4301 / 1.4306 / 1.4948 / 1.4311 |
TP 304 stainless steel pipe sizes
ASTM A312 TP304 Seamless Pipes
ASTM A312 TP304 Erw / Welded Pipes
ASTM A312 TP304 Mechanical Properties
| Stainless Steel Gr. |
304 |
| Rockwell B (HR B) maximum |
92 |
| Brinell (HB) maximum |
201 |
| Tensile Strength minimum (MPa) |
515 |
| Yield Strength 0.2% Proof minimum (MPa) |
205 |
| Elongation minimum (% in 50mm) |
40 |
| Hardness |
- |
A312 TP304 Chemical Composition
| SS GRADE |
304 |
304N |
304LN |
| Ni |
8 – 11 |
8 – 11 |
8 – 11 |
| Fe |
Balance |
| Cr |
18 – 20 |
18 – 20 |
18 – 20 |
| C |
0.08 max |
0.08 max |
0.035 max |
| Si |
0.75 max |
0.75 max |
0.75 max |
| Mn |
2 max |
2 max |
2 max |
| P |
0.040 max |
0.040 max |
0.040 max |
| S |
0.030 max |
0.030 max |
0.030 max |
| N |
|
0.10 – 0.16 |
0.10 – 0.16 |
SA 312 TP 304 Equivalent
| GRADE |
UNS |
EN |
JIS |
AFNOR |
BS |
WERKSTOFF NR. |
GOST |
SS |
| UNDER |
USA |
EUROPE |
JAPAN |
RUSSIAN |
BRITISH |
GERMAN |
RUSSIAN |
SWEDISH |
| ASTM A312 TP 304 |
S30400 |
X5CrNi18-10 |
SUS 304 |
Z7CN18‐09 |
304S31 |
1.4301 |
08Х18Н10 |
2332 |
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