254 SMO Plate
SAKY METAL 254 SMO Plate is a type of austenitic steel. Austenitic steel is a type of stainless steel which contains low amounts of carbon only up to 0.8% in weight. ASTM A240 UNS S31254 is a specification of austenitic steel. 254 SMO Sheet is a very high end stainless steel that it has the mechanical properties with values almost twice the values of the 300 series steels in most cases. 254 SMO Stainless Steel Plate has a high impact resistance and toughness, corrosion resistance under high chloride ion conditions, crevice corrosion resistance, pitting resistance and very high tensile strength.
Specifications of S31254 Plate :
1. Material: UNS No. S 31803, S31254, S 32205, S 32550, S 32750, S 32760;
2.Specification: ASTM A240 / ASME SA240
3. Size Range: 1000mmx2000mm, 1219mmx2438mm, 1219mmx3048mm,1500x3000mm
4. Thickness Range: 0.4 ～ 100.0mm
5. Plate & Sheet Manufacturers: Outokumpu, TISCO, BAOSTEEL, LISCO, JISCO, ZPSS, POSCO
6. Surface: Hot rolled plate (HR). Cold rolled sheet (CR). 2B. 2D. BA No.4 with pvc Coated
7. Value added services for Sheet : Waterjet cutting, Plasma cutting, Laser cutting, Bending and mechanical processing, edge preparation, welding, sawing and shearing.
8. Value added services for Coil: Cut-to-length, Slitting, Polishing, Blanking
Table of Contents
UNS S31254 Sheet Plate Chemical Composition:
UNS Designation | C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu | Others |
S31803 | 0.03 | 2.00 | 0.03 | 0.02 | 1 | 4.50–6.50 | 21.0–23.0 | 2.50–3.50 | 0.08–0.20 | . | . |
S31254 | 0.02 | 1.0 | 0.03 | 0.01 | 0.08 | 17.5-18.5 | 19.5-20.5 | 6-6.5 | 0.18-0.22 | 0.5-1.0 | . |
S32550 | 0.04 | 1.50 | 0.04 | 0.03 | 1 | 4.50–6.50 | 24.0–27.0 | 2.90–3.90 | 0.10–0.25 | 1.5–2.5 | |
S31200 | 0.03 | 2.00 | 0.045 | 0.03 | 1 | 5.50–6.50 | 24.0–26.0 | 1.20–2.00 | 0.14–0.20 | . | . |
S31260 | 0.03 | 1.00 | 0.03 | 0.03 | 0.75 | 5.50–7.50 | 24.0–26.0 | 2.50–3.50 | 0.10–0.30 | 0.20–0.80 | W 0.10–0.50 |
S32304 | 0.03 | 2.50 | 0.04 | 0.04 | 1 | 3.0–5.5 | 21.5–24.5 | 0.05–0.60 | 0.05–0.20 | 0.05–0.60 | |
S39274 | 0.03 | 1.00 | 0.03 | 0.02 | 0.8 | 6.0–8.0 | 24.0–26.0 | 2.50–3.50 | 0.24–0.32 | 0.20–0.80 | W 1.50–2.50 |
S32750 | 0.03 | 1.20 | 0.035 | 0.02 | 0.8 | 6.0–8.0 | 24.0–26.0 | 3.0–5.0 | 0.24–0.32 | 0.5 | |
S32760 | 0.05 | 1.00 | 0.03 | 0.01 | 1 | 6.00–8.00 | 24.00–26.00 | 3.00–4.00 | 0.20–0.30 | 0.50–1.00 | W 0.50–1.00 |
S32900 | 0.08 | 1.00 | 0.04 | 0.03 | 0.75 | 2.50–5.00 | 23.00–28.00 | 1.00–2.00 | . | . | . |
S32950 | 0.03 | 2.00 | 0.035 | 0.01 | 0.6 | 3.50–5.20 | 26.00–29.00 | 1.00–2.50 | 0.15–0.35 | . | . |
S39277 | 0.025 | 0.80 | 0.025 | 0.002 | 0.8 | 6.5–8.00 | 24.00–26.00 | 3.00–4.00 | 0.23–0.33 | 1.2–2.0 | W 0.8–1.2 |
Duplex Steel Sheet Plate Equivalent:
| Grade | GB | UNS No. | AFNOR | EN No. | France | JIS |
| Lean Duplex | 00Cr23Ni4N | UN23 (SAF2304） | SS232 （SAF2304） | W．Nr.1.4362 | UR35N | DP11 |
| Duplex SS | 00Cr18Ni5Mo3Si2 00Cr22Ni5Mo3N | UNS S31500 UNS S31803 | SS2376(3RE60) SS2377(SAF2205) | W.Nr.1.4417 W.Nr.1.4462 | UR45N | DP1 DP8 |
| 0Cr25Ni5Mo2 00Cr25Ni7Mo3WCuN | UNS S32900 UNS S31260 | SS2324(10RE51) | W.Nr.1.4460 W.Nr.1.4501 | 329J1 329J2L | ||
| Super Duplex | 00Cr25Ni7Mo4N 00Cr25Ni6Mo3CuN | UNS S32750 UNS S32550 | SS2328(SAF2507) | W.Nr.1.4410 W.Nr.1.4507 | UR47N+ UR52N+ | |
| Hyper Duplex | UNS S32707 |
DUPLEX STEEL TENSILE AND HARDNESS REQUIREMENTS:
UNS Designation | Tensile Strength min, ksi [MPa] | Yield Strength, min, ksi [MPa] | Elongation in 2 in. or 50 mm, min, % | Hardness, max Brinell | Hardness, max Rockwell C |
S31803 | 90 [620] | 65 [450] | 25 | 290 | 30.5 |
S31500 | 92 [630] | 64 [440] | 30 | 290 | 30.5 |
S32550 | 110 [760] | 80 [550] | 15 | 297 | 31.5 |
S31200 | 100 [690] | 65 [450] | 25 | 280 | . |
S31260 | 100 [690] | 65 [450] | 25 | . | . |
S32304 | 87 [600] | 58 [400] | 25 | 290 | 30.5 |
S39274 | 116 [800] | 80 [550] | 15 | 310 | . |
S32750 | 116 [800] | 80 [550] | 15 | 310 | 32 |
S32760 | 109–130 [750–895] | 80 [550] | 25 | 270 | . |
S32900 | 90 [620] | 70 [485] | 20 | 271 | 28 |
S32950 | 100 [690] | 70 [480] | 20 | 290 | 30.5 |
S39277 | 120 [825] | 90 [620] | 25 | 290 | 30 |
ASTM Specifications :
Pipe Smls | Pipe Welded | Tube Smls | Tube Welded | Sheet/Plate | Bar | Flanges & Fittings |
|---|---|---|---|---|---|---|
A790 | A790 | A789 | A789 | A240 | A276 | A182 |
Duplex Steel Corrosion Resistance Comparison :
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Quality Assurance(including both Destructive and Non-Destructive)
1. Visual Dimension Test
2. Mechanical examining like tensile, Elongation and reduction of area.
3. Impact analysis
4. Chemical examination analysis
5. Hardness test
6. Pitting protection test
7. Penetrant Test
8. Intergranular Corrosion Testing
9. Roughness Testing
10. Metallography Experimental Test
Packaging:
1. Packing is quite important especially in a case of international shipments in which consignment pass through various channels to reach the ultimate destination, so we put special concern regarding packaging.
2. Saky Metal’s pack our goods in numerous ways based on the products. We pack our products in multiple ways, such as,
Applications:
1.Desalination Equipment
2.Chemical process pressure vessels, piping and heat exchangers
3.Marine Applications
4.Flue Gas Scrubbing Equipment
5.Pulp & Paper Mill Equipment
6.Offshore Oil production/technology
7.Oil and gas industry equipment