Metinox Overseas is a premier and renowned manufacturer & supplier of ASTM A312 TP304H Stainless Steel Welded Pipes. Our Stainless Steel 304H Welded Pipes are crafted from high-quality 304H tested raw materials. The alloy composition includes carbon, magnesium, silicon, phosphorous, sulfur, chromium, nickel, molybdenum, and various other elements.
ASTM A312 TP 304H Stainless Steel Welded Pipes boast an austenitic nickel-chromium steel alloy, with elevated carbon content enhancing yield and tensile strength. In contrast to 304L Stainless Steel Welded Pipes, our Stainless Steel ASTM A312 TP 304H Pipes feature a higher carbon content, making them ideal for applications subjected to high temperatures. These materials are recommended for use in pressure vessels and services operating above 525 Deg Celsius due to their heat-resistant properties.
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A diverse range of SS 304H Welded Pipes is available for various industries and applications. These pipes find utility in power generation, petrochemicals, paper and pulp, heat exchangers, condensers, seawater equipment, chemical processing, pharmaceuticals, and more. Widely utilized in marine applications, these pipes facilitate the transfer of oil, water, gas, and other fluids efficiently. With alloys categorized into precipitation hardening, duplex, martensitic, ferritic, and austenitic families, each exhibits distinct features and properties, catering to specific needs across industries.
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The ASTM A312 TP 304H Stainless Steel Welded Pipes specification encompasses austenitic steel pipes designed for general corrosive and high-temperature services. Renowned for their superior grade, durability, and quality, SS 304H Welded Pipes are commonly preferred owing to their robustness. These pipes serve as viable alternatives to widely-used 300 series stainless steel, offering excellent corrosion resistance in harsh environments and facilitating forming operations, bending, flanging, and fusion welding. Recyclable and boasting a long service life, they adhere to stringent chemical and physical properties such as grade, hardness, tensile strength, yield strength, elongation, density, elastic modulus, thermal conductivity, and electrical resistivity.
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Prior to delivery, Metinox Overseas subjects these Stainless Steel 304H Welded Pipes to rigorous quality testing, including flaring, flattening, positive material, third-party inspection, chemical, intergranular, Rockwell hardness, and mechanical tests. Given the wide range of widths, thicknesses, and tempers available, no flatness tolerances are established for cold-rolled stainless steel. While temper flatness cannot be guaranteed, these Stainless Steel 304H Welded Pipes are a versatile grade often supplied in the hardened yet machinable condition for applications demanding high strength and moderate heat and corrosion resistance.
Metinox Overseas takes pride in being a leading Manufacturer, Supplier, Stockist, and Exporter of top-quality Stainless Steel 304H Welded Pipes.
Specifications | ASTM A312 / ASME SA312 |
---|---|
Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size available Ex-stock |
Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Size | 1/2″ NB – 24″ NB |
Type | Welded |
Form | Round Pipes, Square Pipes, Rectangular Pipes |
Length | Single Random, Double Random & Required Length |
End | Plain End, Beveled End, Treaded |
Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
---|---|---|---|---|---|---|---|
BS | En | No | Name | ||||
304H | S30409 | 304S51 | – | 1.4948 | X6CrNi18-11 | – | – |
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 |