Lecong Stainless is a reputable manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality Stainless Steel 304H Tubing that’s perfect for high-temperature and moderately corrosive environments. This tubing features a higher carbon content than standard 304, which means it offers improved creep strength, mechanical stability, and durability when exposed to prolonged heat. Lecong Stainless prides itself on precision manufacturing, rigorous quality control, and compliance with international standards, ensuring that their tubing meets the needs of various industries, including chemical, petrochemical, power generation, and more. Stainless Steel 304H Tubing is a go-to choice where reliable performance and resistance to oxidation and corrosion at elevated temperatures are crucial.
This tubing is made up of 18–20% chromium and 8–12% nickel, with a carbon content ranging from 0.04–0.10% to boost its high-temperature strength. Carefully controlled levels of manganese, silicon, and phosphorus enhance its toughness, workability, and overall mechanical performance. It boasts a tensile strength of about 515 MPa, a yield strength of around 205 MPa, and an elongation of 40%. With outstanding oxidation resistance up to 1500°F (816°C) and impressive structural stability, Stainless Steel 304H Tubing holds its integrity even under thermal cycling and moderate corrosive conditions.
| Alloy 304H Standards | Stainless Steel 304H |
|---|---|
| ASTM A213 Stainless Steel Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
| ASTM A249 TP 304H Stainless Steel Welded Tube Size | 6.35 mm OD To 152 mm OD |
| ASTM A269 TP 304H Stainless Steel Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| ASME SA213 TP 304H Stainless Steel Tube wall thickness | 0.020″ –0.220″, (special wall thicknesses available) |
| SS 304H Length | Single Random, Double Random, Standard & Cut length Tube |
| UNS S30409 Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| ASTM A213 Gr. TP304H Form | ‘U’ bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Etc |
| ASTM A269 TP 304H Stainless Steel Type | Seamless, ERW, EFW, Welded, Fabricated Tube |
| ASTM A213 Stainless Steel End | Plain End, Beveled End, Treaded Tube |
| ASME SA213 SS 304H Marking | All 304h Stainless Steel Tube are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
| ASME SA213TP 304H Stainless Steel Application | Oil Tube, Gas Tube, Fluid Tube, Boiler Tube, Heat exchanger Tube, |
| 304H SS Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
| Stainless Steel 304H Specialize in | Stainless Steel 304H Capillary Tube & Other Odd Size Alloy 304H Heat Exchanger & Condenser Tube |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | – | ||
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304H | 515 | 205 | 40 | 92 | 201 |
Contact us to get a quick quote for your requirement.
We assures that all its Stainless Steel 304H Tubing is thoroughly tested for quality and performance. Mechanical properties, corrosion resistance, and dimensional accuracy of the tubing are tested. The following certificates are also provided: Material Test Reports (MTR), 3.1 certificates, and ISO compliance, ensuring industry standards and reliability.
These tubes offer superior corrosion resistance, ideal for high-pressure applications. Sizes typically range from 1/8″ to 24″ in diameter. They provide excellent durability and are used in industries requiring precise tolerances.
Known for its excellent corrosion resistance, this tubing is available in sizes from 1/8″ to 24″. It’s cost-effective for less critical applications and offers good strength and flexibility for various uses.
These tubes excel in corrosion resistance and thermal conductivity. Common sizes range from 1/2″ to 1-1/2″ in diameter, designed for efficient heat transfer in industrial applications.
Providing high corrosion resistance, these tubes are typically available in sizes from 1/16″ to 2″. They are crucial for precise instrumentation and control systems in various industries.
These corrosion-resistant tubes come in sizes typically from 1/2″ to 5″ in diameter. They are designed to withstand high temperatures and pressures in boiler systems.
Featuring high corrosion resistance, these U-shaped tubes are available in sizes from 1/2″ to 1-1/2″. They are commonly used in heat exchangers and condensers for efficient thermal management.
Known for its superior corrosion resistance, this tubing ranges from 3/8″ to 1-1/4″ in diameter. It’s used in condensers to efficiently transfer heat and condense steam into water.
These tubes offer excellent corrosion resistance and are available in sizes typically from 1/2″ to 1-1/2″. They are used in applications requiring enhanced heat transfer efficiency due to their extended surface area.
You’ll find Stainless Steel 304H Tubing widely used across various sectors, including chemical processing, petrochemical, food and beverage, and power generation. It’s particularly well-suited for high-temperature piping, heat exchangers, pressure vessels, boiler tubes, and furnace components. In marine and offshore settings, it delivers reliable performance against moderately corrosive environments. This tubing is also utilized in refinery equipment, industrial process systems, and high-temperature exhaust lines, where durability and thermal stability are essential. With its blend of strength, corrosion resistance, and high-temperature performance, Stainless Steel 304H Tubing stands out as a trustworthy solution for demanding industrial and engineering applications.
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