What is S31254 cast equivalent to?
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What is uns S31254 casting?
"UNS S31254 casting" refers to cast products made from UNS S31254, also known as 254 SMO, which is a high-performance, super austenitic stainless steel grade specifically designed for use in corrosive environments like high-temperature seawater. The cast version is designated as UNS J93254 and is commonly found in applications such as heat exchangers, pumps, and valves within the oil & gas, marine, and water treatment industries.
What is S31254 cast equivalent to?
The cast equivalent to wrought stainless steel grade S31254 (also known as 254SMO or Alloy 6Mo) is ASME SA351 grade CK3MCuN. This cast material has a similar chemical composition to the wrought S31254.
Chemical Properties of Stainless Steel 254 SMO Forging & Casting
|
Grade |
C |
Cr |
Mn |
Mo |
N |
Ni |
P |
Si |
S |
|---|---|---|---|---|---|---|---|---|---|
|
254 SMO |
0.02 max |
min: 19.5 max: 20.0 |
1.00 max |
min: 6.0 max: 6.5 |
min: 0.18 max: 0.20 |
min: 17.5 max: 18.0 |
0.03 max |
0.80 max |
1.01 max |
Mechanical Properties of Stainless Steel 254 SMO Forging & Casting
|
Grade |
Tensile Strength ksi (MPa) min |
Yield Strength 0.2% Offset ksi (MPa) min |
Elongation – % in 50 mm (min.) |
Hardness (Brinell) MAX |
Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
|
254 SMO Sheet & Strip |
100 (690) |
45 (310) |
35 |
223 |
96 |
|
254 SMO Plate |
95 (655) |
45 (310) |
35 |
223 |
96 |
Physical Properties of Stainless Steel 254 SMO Forging & Casting
|
Grade |
Stainless Steel 254 SMO |
|---|---|
|
Density |
8.0 kg/dm³ |
|
Modulus of Elasticity |
195 GPa |
|
Linear Expansion at 68 to 212 °F (20 to 100 °C) |
16.5 X10⁻⁶/°C |
|
Thermal Conductivity |
14 W/m·°C |
|
Thermal Capacity |
500 J/kg·°C |
|
Electrical Resistivity |
0.85 µΩ·m |
If you have a project need for UNS S31254 casting, we welcome your order. GNEE has a large inventory of popular products for you to choose from. We process these products into a variety of practical product forms, including sheets, coils, tubes, bars, and wires. For detailed chemical composition and free samples, please contact our factory today. We offer competitive pricing and excellent service. Email: info@gneestainless.com
|
Product |
Stainless steel SMO 254 forgings and castings |
|
Equivalent materials |
UNS S31254, 1.4547, X1CrNiMoCuN20 - 18 - 7, 1.4529 |
|
Standard specifications |
ASTM A182 |
|
Item |
Forgings and castings |
|
Size |
2 - 3 cm x 3 - 8 cm x 6 - 12 cm |
|
Specifications |
ASTM, ASME, DIN, GOST, JIS |
|
Certification |
EN 10204 3.1 |
