Your Trusted Stainless Steel I-Beam Manufacturer in China
Stainless steel I-beams are commonly used for architectural frames, platforms, wastewater, and chemical plants. SparkX provides stainless steel I-beam processes, including hot rolled HRAP, laser fused to ASTM A1069, and built-up plate welds. Our process routes meet ASTM A276/A484 and EN 10088-3. Standard size range height 80-600 mm and laser fused up to 1000mm. Flange B 50-300mm, thickness 3-80mm, and length 6-12m or cut to length.
SparkX has a 60000㎡ factory and 5 high-tech production lines, and we also meet ISO 9001, IATF16949, ISO 14001, ISO 45001, and ISO 50001. We can CNC coping, drilling, and mitre cutting, and always deliver with EN 10204 3.1 MTC.
Typical Grades of Stainless Steel I-Beams
If you have any other needs or require customization, please feel free to contact us.
Standard structural I-beams, suitable for general construction, 304L stainless steel improves weldability and can help maintain the corrosion resistance.
Molybdenum alloy structural beams, suitable for chloride environments with good resistance to pitting corrosion, always used for coastal and chemical facility support structures.
Stabilized structural beams, commonly used for heat affected processing, maintains corrosion resistance after welding and high temperature theymal cycling.
High alloy beams with excellent high temperature oxidation resistance, ideal choice for structures near furnaces, hot zones and thermal equipment.
Duplex structural beams and significantly higher strength than 304/316 stainless steel, have better resistance to pitting corrosion and very suitable for heavy chloride environments.
Process Routes Match Your Needs
Hot-rolled HRAP is suitable for industrial platforms and heavy frames. Standard size is very economical and robust inner radii.
Laser-fused I-beams(ASTM A1069) have minimal distortion and the edges are very straight. It can freedom make oversize, thick-flange/thin-web or asymmetric beams. It’s ideal for architectural lines and precision assemblies.
Built-up plate welds are suitable for short runs or special thickness mixes and it cost effective.
SparkX supports all three routes and can combine them with NO4/HL polishing and bead blasting or HRAP so each batch finish all look consistent and you will choose the stainless steel I-beams you want.
Dimensional Control, Machining & QA
Our production standard is ASTM A484/ EN 10088-3 and typical straightness ≤1.5 mm/m, twist ≤1°/m. Laser-fused beams can be tighter by agreement. Cut to length ±1.0 mm, mitre cuts, CNC coping, drilling(bolt holes, slotted holes) to ensure clean welds. Each lot of stainless steel I-beams with EN 10204 3.1, surface checklist, and optional passivation reports, salt spray, and ferrite checks. By our IATF level quality control, you almost don’t need to rework on-site.
Grades and Applications of Stainless Steel I-Beams
General indoor or outdoor frames and food equipment bases should choose 304/304L stainless steel I-beams.
316/316L stainless steel I-beams have excellent corrosion resistance, so it’s suitable for coastal, chloride splash, and wastewater aeration decks.
Stable 321 stainless steel I-beams and oxidation-resistant 310S stainless steel I-beams are well-suited for high-temperature air ducts and furnace frames.
If you need high strength and chloride exposure, you’d better choose 2205 duplex for better strength-to-weight and fatigue life.
Certainly, SparkX supports all of these choices, so please feel free to contact us if you have any needs for stainless steel I-beams.
Certainly, the main point of price is always the process routes and grades. Hot rolled is usually cheaper than built up, while laser fused is usually the most expensive. And grades 316/2205 are more expensive than grade 304. The others, like height, width, thickness, and length, also depend on the prices. Different finishes like HRAP, NO.4/HL, bead-blast, and machining like mitres, coping, and drilling all have different prices.
Yes. We support all standard needs, and please contact us if you have any customized requirements.
Please send us the drawing or section height*width*thickness, grades, lengths, finish, machining list, standard(ASTM/EN), and we will offer you the best solution within 24h.
