ASME SA213 Grade UNS S31254 SAUDI ARAMCO Approved Stainless Steel Tubes
ASTM A213 / A213M, ASME SA213 S31254 Seamless stainless tubes for Saudi Aramco Fadhili Gas Program (FGP) Project.
ASTM A213 / A213M ASME SA213 Covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes.
ASTM A213 / A213M ASME SA213 Stainless Steel tubes Grades S31254.
ASTM A213 / A213M ASME SA213 S31254 tubes made by the seamless process and shall be cold finished as specified.
Standard: ASTM A213 / A213M, ASME SA213.
Description Name: S31254 Stainless steel tubes, ASTM A213 s31254 tubes, UNS S31254 stainless pipes.
Size:31.75*1.651mm and other size.
Shape: Round.
Length: 12500mm.
Chemical Composition:
According to ASTM E1086-14/ASTM A751-14a(ICP-OES) & ASTM E1019-11.
Equipment: HX-103-40 Fixed metal analysis spectrometer
| Grade | UNS Design |
Composition, % | ||||||||||||||
| C | Mn | P | S | Si | Cr | Ni | Mo | Ti | Nb | N | Cu | Ce | B | PREN | ||
| S31254 | 0.07 | 0.66 | 0.023 | 0.0009 | 0.41 | 20.06 | 17.98 | 6.1 | . . . | . . . | 0.204 | . . . | . . . | 43.45 | ||
Tensile Requirements
According to ASTM A370-17
Equipment: LX-202-07 Universal testing machine
| Grade | UNS | Tensile Strength, [MPa] | Yield strength, [MPa] | Elongation in 2 in. or 50mm, %A, B | Hardness | |
| Designation | Brinell/Vickers | |||||
| … | S31254 | 424/416 | 765/760 | 50/52 | 84.5/89.5 HRB | … |
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Flaring Test
According to ASTM A370-17.
Equipment: LX-202-52 Compression-testing machine.
Result: Flaring ratio:22%, Angle: 60°, D(inside): 34.71mm, accurate date: 35.62mm result is no cracks or breaks.
Rockwell hardness Test
According to ASTM A370-17.
Equipment: LX-204-59 Rockwell hardness tester.
Result: Average 82.5HRB.
Flattening Test
According to ASTM A370-17.
Equipment: LX-202-52 Compression-test machine.
Flattening factor: 0.09
Result: H1: No cracks or breaks, H2: No stratification.
Pitting Test
Test according to ASTM G48.1-11 the result is 0.009g/m2*h
Hydrostatic Test
Each pipe shall be subjected to the hydrostatic test
- P (Mpa): 7.0
- Time(s): 10
- Result: ok
Non-Destructive Test
- T test result is ok.
Heat treatment:
Temperature: ≥1150℃.
Cooling: water-cool.
Micro Structure Test
Ok.
Manufacture method
Cold rolling (drawn).
Delivery Condition
Solution Annealed pickled & passivated.
Markings
Marking Including Standard, grade, size, Lot no. Heat No. Manufacture name.
Note:
- Mill test certificates will be issued according to EN10204.3 3.1 or 3.2.
- All tubes shall be supplied as per applicable ASTM A213 /A213M Specification.
S31254 PHOTOS
S31254 stainless tube inspection the surface
S31254 Stainless tube PMI test
S31254 stainless tubes thickness inspection
S31254 stainless tube flaring test
S31254 stainless tube flattening test
Packing and Marking
- Packed in bundles or ply wooden box wrapped in plastic, and suitably protected for sea-worthily delivery or as requested.
Packing photos:
S31254 Stainless Tubes Packaged with Wooden Cases
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