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Elevate your high-temperature projects with ASME SA240 ASTM A240 UNS S33228 stainless steel sheet, a superaustenitic alloy engineered for superior oxidation and carburization resistance. As Gangsteel, your dedicated manufacturer and exporter, we craft this premium grade in advanced Chinese facilities, meeting stringent ASME and ASTM benchmarks for global reliability. Known as AISI 332, UNS S33228 shines in carburizing furnaces and heat-treating equipment, where its high chromium and nickel fortify against degradation. Ideal for aerospace, petrochemical, and thermal processing, our ASME SA240 ASTM A240 UNS S33228 stainless steel sheets guarantee longevity in extreme heat.
Gangsteel commits to excellence with ISO 9001 and PED certifications, ensuring flawless exports. Unlock potential with our sa240/a240 uns s33228—reach out for bespoke quotes and rapid fulfillment. Comparable elites: sa240/a240 uns s32654, sa240/a240 uns s33400, or sa240/a240 uns s34565.
Gangsteel Comprehensive Guide to ASME SA240 ASTM A240 UNS S33228 stainless steel sheets, a superaustenitic grade with exceptional high-temperature oxidation and carburization resistance. Covering chemical composition, mechanical properties, international equivalents, specifications, applications, advantages, and pricing from Gangsteel, it highlights why this material is ideal for furnace components, heat exchangers, and carburizing atmospheres. With detailed tables and FAQs, discover how Gangsteel's expertise ensures quality and global delivery.
ASME SA240 ASTM A240 UNS S33228 stainless steel sheetis a hot-rolled or cold-rolled plate from the superaustenitic family, alloyed with high nickel, chromium, and niobium for robust high-temperature performance. Specified under ASME SA240 for pressure vessels and ASTM A240 for general corrosion applications, it's formulated for wrought products in annealed condition. The addition of cerium enhances oxidation resistance, while niobium stabilizes against carbide formation.
Outperforming 304 or 316 in carburizing and oxidizing settings up to 1100°C, UNS S33228 stainless steel sheets maintain integrity with excellent creep strength and ductility. Density: 8.0 g/cm³ for efficient designs. Versatile for furnace trays, muffles, and radiant tubes. Gangsteel exports tons worldwide with ISO 9001/PED assurance. Related: sa240/a240 uns s34800 or sa240/a240 uns s34809.
ASME SA240 ASTM A240 UNS S33228 stainless steel sheet's alloying drives its heat resistance. Per ASTM A240/SA240:
|
Element |
Composition Range (%) |
Role in Alloy |
|---|---|---|
|
Carbon (C) |
0.040-0.080 |
Controlled for weldability and strength |
|
Silicon (Si) |
≤0.30 |
Aids scaling resistance |
|
Manganese (Mn) |
≤1.00 |
Improves hot workability |
|
Phosphorus (P) |
≤0.020 |
Minimizes brittleness |
|
Sulfur (S) |
≤0.015 |
Reduces hot cracking |
|
Chromium (Cr) |
26.00-28.00 |
Enhances oxidation/carburization resistance |
|
Nickel (Ni) |
31.00-33.00 |
Stabilizes austenite, boosts creep strength |
|
Niobium (Nb) |
0.60-1.00 |
Prevents sensitization via carbide stabilization |
|
Cerium (Ce) |
0.050-0.10 |
Improves high-temp oxidation resistance |
|
Aluminum (Al) |
≤0.025 |
Minor deoxidizer |
|
Iron (Fe) |
Balance |
Base matrix |
This ensures UNS S33228 stainless steel sheets excel in carburizing. Gangsteel's PMI verifies batches. Comparable: sa240/a240 uns s35045 or sa240/a240 uns s35135.
ASME SA240 ASTM A240 UNS S33228 stainless steel sheetsoffer balanced high-temp mechanics:
|
Property |
Value (Minimum) |
Test Condition |
|---|---|---|
|
Tensile Strength |
570 MPa (83 ksi) |
Ultimate, Annealed |
|
Yield Strength |
210 MPa (30 ksi) |
0.2% Offset |
|
Elongation |
34% in 50mm |
Transverse |
|
Hardness |
190 HB (Brinell) |
Annealed |
Annealed/pickled standard; tempering available. ASME SA240 for vessels; ASTM A240 for fittings. Gangsteel's cut-to-size optimizes. Related: sa240/a240 uns s35315 or sa240/a240 uns s38100.
Gangsteel provides global equivalents:
|
Country/Region |
Designation |
Standards |
Key Notes |
|---|---|---|---|
|
USA |
UNS S33228 / AISI 332 |
ASTM A240, ASME SA240 |
Heat-resisting superaustenitic |
|
Europe |
1.4864 |
EN 10095 |
High Cr/Ni for oxidation |
|
Germany |
X15CrNiSi25-21 |
DIN 17460 |
Furnace applications |
|
Japan |
SUS 332 (approx.) |
JIS G 4303 |
Adapted for wrought products |
|
China |
022Cr25Ni32Nb (equiv.) |
GB/T 1220 |
Domestic heat-resistant analog |
Align on high-temp properties. Details: sa240/a240 uns s38815 or sa240/a240 uns s31200.
Gangsteel's ASME SA240 ASTM A240 UNS S33228 stainless steel sheets:
|
Specification |
Range/Details |
|---|---|
|
Thickness |
0.5 mm to 200 mm |
|
Width |
Up to 3000 mm |
|
Length |
Up to 12000 mm |
|
Surface Finish |
Hot-rolled (No.1), Cold-rolled (2B, BA), Annealed & Pickled |
|
Forms |
Sheets, Plates, Coils, Cut-to-Size |
|
Cutting Options |
Plasma, Laser, Waterjet |
Density: 8.0 g/cm³. Machining for sa240/a240 uns s31260.
UNS S33228 stainless steel sheetsfor high-temp corrosion:
Gangsteel's sheets cut costs 30% via durability. Pair: sa240/a240 uns s32001.
Gangsteel's ASME SA240 ASTM A240 UNS S33228 stainless steel sheets:
Premium with support. More: sa240/a240 uns s32003.
ASME SA240 ASTM A240 UNS S33228 stainless steel sheetsresist oxidation/carburization to 1100°C via 26-28% Cr and Ce. Nb stabilizes welds. Ideal for carburizing. NACE affirms integrity.
Gangsteel's passivation preps. Compare sa240/a240 uns s32101.
Gangsteel's UNS S33228 pricing:
Min 1 ton; 15% bulk discount. Quote: admin@gangsteel.com. https://gangsteel.net. See sa240/a240 uns s32900.
UNS S33228(AISI 332) is a superaustenitic grade for high-temperature applications like carburizing furnace parts, heat exchangers, and reformer tubes in petrochemicals. Its high Cr/Ni and Ce addition provide outstanding oxidation resistance up to 1100°C and carburization protection in carbon-rich atmospheres, outperforming 309/310 in severe heat. Gangsteel supplies ASME/ASTM-compliant sheets for vessels and fittings, with proven use in aerospace engine components and thermal processing retorts. For alternatives in moderate heat, see sa240/a240 uns s32906.
UNS S33228surpasses 310 (S31000) with higher Ni (31-33% vs. 19-22%) for better creep/ductility at 1000°C+, plus Nb for sensitization resistance and Ce for enhanced scaling. S33228 UTS 570 MPa vs. 515 MPa, but excels in carburizing (PREN ~30 vs. 25). 310 suits general oxidation; S33228 for aggressive carbon. Gangsteel advises S33228 for furnace upgrades, cutting failures 25%. Equiv: sa240/a240 uns s32950.
Yes, UNS S33228 welds excellently via GTAW/SMAW using ERNiCr-3 or ENiCrFe-3 fillers; low C (0.04-0.08%) and Nb prevent hot cracking/sensitization. Preheat 100-200°C, post-weld anneal 1050-1150°C for full properties. Avoid fluxes in carburizing. Gangsteel includes weld certs, with tests showing no intergranular attack post-thermal cycling. Detailed guides: sa240/a240 uns s32803.
ASME SA240 ASTM A240 UNS S33228 stainless steel sheetdensity is 8.0 g/cm³ (0.289 lb/in³), typical for Ni-rich austenitics, enabling lightweight high-temp designs without strength loss. This aids in reducing furnace weight by 10-15% vs. denser alloys. Gangsteel calculates shipping precisely for efficiency.
Gangsteel prices UNS S33228 at ~$2.60-$3.60/kg for standard sheets (FOB), factoring Ni/Cr premiums; thicker/custom adds 10-20%. Volume (1+ ton) yields 15% discounts. Rates fluctuate with metals; current via admin@gangsteel.com. Vs. 310: 20% higher but longer life. Compare sa240/a240 uns s31200.
UNS S33228solution anneals at 1050-1150°C (water quench) to restore corrosion resistance post-weld/form; no age hardening, but stress-relieve 800-900°C for creep apps. Avoid slow cooling to prevent sigma phase. Gangsteel offers in-house treatment, ensuring uniform microstructure for 1100°C service. Consult for cycles on sa240/a240 uns s31260.
Gangsteel's UNS S33228 sheets include EN 10204/3.1 MTCs detailing chemistry/mechanics, PMI/UT reports, and third-party (SGS/BV) verifications for defects/compliance. Full ASME Section II, ASTM A240, and PED docs; ISO 9001 traceability from melt to mill. Custom NACE MR0175 for sour service. Details: sa240/a240 uns s32001.
Secure top-tier ASME SA240 ASTM A240 UNS S33228 stainless steel sheets from Gangsteel. https://gangsteel.net or admin@gangsteel.com for samples/datasheets/quotes. Shanghai/Rotterdam hubs enable worldwide delivery—fuel success with Gangsteel! Explore sa240/a240 uns s32003.
Keywords: ASME SA240 UNS S33228, AISI 332 stainless steel sheet, Gangsteel exporter
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