2B Finish ASTM A240 304 Stainless Steel Plate for Construction
ASTM A240 304/304L stainless steel sheets are produced with high-quality raw materials and widely used in industrial applications. Haneesy offers excellent corrosion resistance, stable supply, and customized B2B solutions.
- High Strength & Durability – Manufactured from Wrought High-Yield (WPHY) steel, suitable for high-pressure applications.
- Wide Grade Range – Available in multiple grades like WPHY 42/46/52/60/65/70/80 for diverse project requirements.
- Excellent Corrosion Resistance – Ideal for use in harsh environments such as offshore and petrochemical sectors.
- Precise Dimensional Tolerances – Ensures tight fitting and easy welding for seamless pipeline integration.
- Certified Compliance – Fully compliant with ASTM A860 and tested per ASME/ANSI B16.9 or MSS-SP-75 standards.
304 Stainless Plate Description
Haneesy is a leading supplier of 304 stainless steel sheets, known for exceptional corrosion resistance and durability. Our 304 stainless steel products are widely used in construction, food processing, and chemical industries to meet stringent quality and safety standards. Available in various sizes and finishes, including 2B and mirror polish, they offer reliable performance for demanding applications. As a trusted manufacturer and exporter, Haneesy provides bulk supply and customized solutions tailored for distributors, traders, and industrial clients worldwide. Choose our 304 stainless steel sheets for high-quality material and competitive pricing.
| ASTM A240 chemical composition | ||||||||
| Element | 304 | 316 | 321 | 410 | 904L | S31803 | S32750 | S31254 |
| Carbon | 0.07 | 0.08 | 0.08 | 0.08-0.15 | 0.02 | 0.03 | 0.03 | 0.02 |
| Manganese | 2.00 max | 2.00 max | 2.00 max | 1.00 max | 2.00 max | 2.00 max | 1.20 max | 1.00 max |
| Phosphorus | 0.045 max | 0.045 max | 0.045 max | 0.040 max | 0.045 max | 0.030 max | 0.035 max | 0.030 max |
| Sulfur | 0.030 max | 0.030 max | 0.030 max | 0.030 max | 0.035 max | 0.020 max | 0.020 max | 0.010 max |
| Silicon | 0.75 | 0.75 | 0.75 | 1.00 max | 1.00 max | 1.00 max | 0.80 max | 0.80 max |
| Chromium | 17.5-19.5 | 16.0-18.0 | 17.0-19.0 | 11.5-13.5 | 19.0-23.0 | 21.0-23.0 | 24.0-26.0 | 19.5-20.5 |
| Nickel | 8.0-10.5 | 10.0-14.0 | 9.0-12.0 | 0.75 max | 23.0-28.0 | 4.5-6.5 | 6.0-8.0 | 17.5-18.5 |
| Molybdenum | – | 2.0-3.0 | – | – | 4.0-5.0 | 2.5-3.5 | 3.0-5.0 | 6.0-6.5 |
| Nitrogen | 0.10 max | 0.10 max | 0.10 max | – | 0.10 max | 0.08-0.20 | 0.24-0.32 | 0.18-0.25 |
| Copper | – | – | – | – | 1.0-2.0 | – | 0.50 max | 0.5-1.0 |
| Titanium | – | – | 5×(C+N)-0.70 | – | – | – | – | – |
| ASTM A240 mechanical properties | ||||
| Type | Tensile Strength (ksi, min) | Yield Strength (ksi, min) | Elongation (%) min | Hardness max |
| 304 | 75 | 30 | 40 | 201 HBW or 92 HRB |
| 316 | 75 | 30 | 40 | 217 HBW or 95 HRB |
| 321 | 75 | 30 | 40 | 217 HBW or 95 HRB |
| 410 | 65 | 30 | 20 | 217 HBW or 96 HRB |
| 904L | 71 | 31 | 35 | 95 HRB |
| UNS S31803 | 90 | 65 | 25 | 293 HBW or 31 HRC |
| UNS S32750 | 116 | 80 | 15 | 310 HBW or 32 HRC |
| UNS S31254 | 100 | 45 | 35 | 223 HBW or 96 HRB |
Austenitic Stainless Steel Applications
- Chemical and Petrochemical Industry
The high corrosion resistance against acids and chlorides makes ASTM A240 steels suitable for reactors, heat exchangers, and piping systems in aggressive chemical environments. - Marine and Offshore Structures
Grades such as 316 and 317L are preferred in marine environments for shipbuilding, offshore platforms, and desalination plants due to their enhanced resistance to saltwater corrosion. - Architectural and Decorative Applications
Mirror and brushed finishes from ASTM A240 stainless steel provide both durability and aesthetic appeal for building facades, interior panels, and ornamental trim. - Medical and Pharmaceutical Equipment
ASTM A240 compliant stainless steels with excellent cleanability are used in surgical instruments, hospital equipment, and pharmaceutical manufacturing to meet stringent sanitary standards. - Automotive and Transportation
Components such as exhaust systems, trims, and structural parts benefit from ASTM A240 steel’s strength, oxidation resistance, and formability.
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