310S Stainless Steel Coil (UNS S31008 - 1.4845) ASTM A240
310S Stainless Steel Coil is a high‑alloy austenitic heat‑resistant steel with 25% Cr + 20% Ni content. It offers excellent oxidation resistance up to 1,150°C, superior thermal cycling stability, and outstanding corrosion resistance in harsh environments. Widely used in furnaces, heat exchangers, petrochemicals, and high‑temperature equipment in Indonesia.
Products Description
Category | Key Information |
International Designations | 310S, 1.4845, UNS S31008, 2520, SUS310S |
Core Strengths | High-temperature oxidation resistance (1150°C continuous), corrosion resistance (better than 304/309), weldability (low carbon) |
Primary Markets | Petrochemical / oil refining, thermal processing (furnaces/heat treatment), power generation, chemical plants, aerospace |
Key Specs | ASTM A240, A276, A312, A479, A182; ASME SA240, SA312 |
Product Forms Available | Sheet, plate, bar, rod, pipe (seamless & welded), tubing, wire, fittings, flanges |
Premium Over Standard Grades | ~2.5x the price of 304 (2026 market) |
Equivalent designations for global clients:
Country / Region | Standard Equivalent |
USA (UNS) | S31008 |
Germany (DIN / Wst. Nr.) | 1.4845 |
China (GB) | 06 Cr25Ni20 |
Japan (JIS) | SUS310S |
UK (BS) | 310S24 |
310S Stainless Steel Coilis a high‑alloy austenitic heat‑resistant steel25% Cr + 20% Nicontent. It offersexcellent oxidation resistance up to 1,150°C, superior thermal cycling stability, and outstanding corrosion resistance in harsh environments. Widely used infurnaces, heat exchangers, petrochemicals, and high‑temperature equipmentin Indonesia.
Key Features:
✅Extreme Heat Resistance:Continuous service1,050-1,150°C, short‑term up1,250°C
✅Superior Oxidation Resistance:3× better than 309S; stable Cr₂O₃ oxide layer
✅High Corrosion Resistance:Resists sulfidation, carburization, and intergranular corrosion
✅Excellent Weldability:Low carbon (≤0.08%) minimizes carbide precipitation
✅Good Formability:Easy to roll, bend, and fabricate
✅Non‑Magnetic:In annealed condition, suitable for precision equipment

Specifications
Size Range:
Thickness: 0.05-150mm (customizable)
Width: 15-2000mm (common: 1000/1219/1240/1500 mm)
Coil Weight: 3-10 MT (customizable)
Surface Finishes:
2B: Cold rolled, bright annealed, smooth (most popular for Indonesia)
BA: Bright annealed, mirror‑like
No.4: Brushed, linear grain
HL: Hairline, fine linear finish
AP: Annealed & pickled, matte
Applications in Indonesia:
🔥Industrial Furnaces: Furnace tubes, grates, burners, heat treatment fixtures
⚗️Petrochemical & Oil & Gas: Reactors, heat exchangers, high‑temperature pipelines
🍞Food Processing: Ovens, baking equipment, sterilization units
🧪Chemical Industry: High‑temperature reactors, corrosion‑resistant vessels
🏭Power Plants: Boiler components, superheater tubes
Technical Data
Element | C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
310S | ≤ 0.08 | ≤ 1.50 | ≤ 2.00 | ≤ 0.045 | ≤ 0.030 | 24.0-26.0 | 19.0-22.0 |
Property | Value |
|---|---|
Tensile Strength | ≥515 MPa |
Yield Strength (0.2% offset) | ≥205 MPa |
Elongation (50mm gauge) | ≥40% |
Hardness (Brinell) | ≤217 HBW(typically 187-207 HBW) |
Density | 7.98 g/cm³ |
Packaging & Delivery
-Packaging: Export‑standard waterproof paper + plastic film + wooden pallets/steel frames (suitable for Indonesia sea freight)
-Marking: Standard shipping marks with grade, size, weight, heat number, country of origin
-MOQ: 10 Metric Ton
-Lead Time: 7-15 days after deposit (for regular stock)
-Shipping Port: Tianjin / Shanghai / Ningbo → Jakarta / Surabaya / Semarang, Indonesia

