S31254, also 254SMO is a super Austenitic Stainless Steel. It is designed with a combination of impact toughness resistance to chloride stress corrosion cracking, and pitting and crevice corrosion with strength that is twice that of the stainless steel 300 series.
HT PIPE offers SMO 254 Stainless Steel Seamless Pipe and Supply ASTM A269 SMO 254 Stainless Steel Seamless Pipe austenitic chromium-nickel stainless steel pipe, also the standard ASTM A213, and ASTM A312. We Supply UNS S31254 Stainless Steel Seamless Tubes and 254smo welded tubes in ASTM A269 and Grades in 304, 304L, 304H, 304LN, 309s, 310s, 316, 316L, 316H, 316Ti, 316LN, 317L, 321, 321H, 347, 347H, 904L etc. Manufacturing ASTM A269 UNS S31254, SMO 254, 254SMO, WN.R 1.4547 Stainless Steel Seamless and welded Pipes in China.
S31254 seamless and welded Tubes Chemical Composition:
| Grade |
UNS |
C≤ |
Mn |
P≤ |
S≤ |
Si≤ |
Cr |
Mo |
Ni |
| 254SMO |
S31254 |
0.02 |
1 |
0.03 |
0.01 |
0.8 |
19.5-20.5 |
6.0-6.5 |
17.5-18.5 |
254SMO seamless and welded Tubes Mechanical Properties
|
Mechanical properties
|
Tensile, min, ksi[MPa]
|
Yield, min, ksi[MPa]
|
Elongation, %(min)
|
Hardness, HB（max）
|
|
S31254
|
98【675】
|
43【310】
|
35
|
220
|
1.4547 seamless and welded Tubes Equivalent Grades
| STANDARD |
WERKSTOFF NR. |
UNS |
AFNOR |
EN |
| SMO 254 |
1.4547 |
S31254 |
Z1 CNDU 20.18.06Az |
X1CrNiMoCuN20-18-7 |
The ASTM A269 standard
Specification
| ASME SA269 /ASTM A269 |
Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| Material Grade |
TP304 |
S30400 |
TP304L |
S30403 |
|
| TP304LN |
S30453 |
TP316 |
S31600 |
|
| TP316L |
S31603 |
TP316LN |
S31653 |
|
| TP317 |
S31700 |
|
|
|
| TP321 |
S32100 |
S31254 |
S31725 |
|
| TP347 |
S34700 |
S30600 |
S24565 |
|
| TP348 |
S34800 |
NO8367 |
S35045 |
|
| TPXM-10 |
S21900 |
NO8926 |
S31726 |
|
| TPXM-11 |
S21904 |
NO8904 |
S32654 |
|
| TPXM-19 |
S20910 |
|
|
|
| TPXM-29 |
S24000 |
|
|
|
| Size |
1/2''~48'' |
| Thickness |
SCH5~SCHXXS |
| End |
Beveled End,Plain End |
| Length |
As per your requirement. |
| Packing |
Export Standard packing or as per your requirements. |
