ASTM A240 XM-21 Stainless Steel Sheet & Plate (UNS S30452)
ASTM A240 XM-21 Stainless Steel Sheet / Stainless Steel Plate UNS S30452 Stainless Steel
Product Specifications
| Products | XM-21 Stainless Steel Sheet |
| Thickness | Cold Rolled: 0.3 - 3.0mm Hot Rolled: 4.0 - 10.0mm |
| Standard Size | Cold Rolled: 1000×2000mm, 1219×2438mm Hot Rolled: 1500×6000mm |
| Surface | 2B, BA, NO.4, Hairline, Mirror 8K, etc. |
| Brand | TISCO, JISCO, POSCO, BAOSTEEL |
| Standard | ASTM A240 / JIS G4305 / EN 10088-2 |
| Other Grades | 201, 202, 301, 304, 304L, 309S, 310S, 316L, 316Ti, 317L, 321, 347, 405, 410, 420, 430, 440, 441, 443, 444, 2205, 2507, etc. |
| Our Service | Slit Cutting, Surface Processing |
UNS S30452 (XM-21) Stainless Steel Overview
S30452 stainless steel is an austenitic stainless steel formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. XM-21 is the ASTM designation for this material, while S30452 is the UNS number.
This material has a moderately low ductility among wrought austenitic stainless steels.
Chemical Composition and Mechanical Properties
Chemical Composition:
| Element | C | Mn | P | S | Si | Cr | Ni | Mo | N | Cu | Other |
| XM-21 (S30452) | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0-20.0 | 8.0-10.5 | --- | 0.16-0.30 | --- | --- |
Mechanical Properties:
| Grade | Tensile Strength, min | Yield Strength, min | Elongation, min % | Hardness, max | Cold Bend |
| XM-21 Stainless Steel Coil | 90 ksi / 620 MPa | 50 ksi / 345 MPa | 30% | 241 Brinell / 100 Rockwell B | Not required |
| XM-21 Stainless Steel Plate | 85 ksi / 585 MPa | 40 ksi / 275 MPa | 30% | 241 Brinell / 100 Rockwell B | Not required |
Applications
Grade 304N stainless steel is widely used in:
- General service industries (petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear)
- Fluid, gas and oil transport
- Pressure and heat transmission
- Construction and ornament
- Boiler heat exchangers
Alternative Names
A240 XM-21 stainless steel plate/coil, S30452 stainless steel plate/coil, Austenitic XM-21 stainless steel plate/coil
Additional Conditions Available
UT (Ultrasonic examination), AR (As Hot Rolled only), TMCP (Thermal Mechanical Control Processing), N (Normalized), Q+T (Quenched and Tempered), Z Direction Test (Z15, Z25, Z35), Charpy V-Notch Impact Test, Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.
Product Images