SS 321 Steel Grade Specifications
Grade 321 is a titanium-stabilized austenitic stainless steel. It offers excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 427-816°C.
Key Advantages & Characteristics
Chemical Composition
Technical Specifications
Mechanical Properties
Technical Specifications
Available Product Forms in SS 321
We stock and supply a comprehensive range of SS 321 structural steel, piping systems, and mechanical components globally.
SS 321 Pipe
Industrial seamless and welded pipes manufactured to handle severe pressures, fluid flow, and chemical environments. Available in various wall schedules, lengths, and end configurations.
SS 321 Tube
Precision instrumentation, heat exchanger, and condenser tubes built for precise dimensional tolerances and structural thermal performance. Features clean finishes and high concentricity.
SS 321 Sheet
Premium hot rolled (HR) and cold rolled (CR) steel sheets. Offered in a wide variety of finishes including mirror, hairline, matte, and chequered, matching stringent architectural or industrial needs.
SS 321 Plate
Heavy duty thick plate materials engineered for pressure vessel shells, boilers, structural frames, and severe wear environments. Certified to handle high pressure loads and extreme conditions.
SS 321 Coil
Sturdy, long strip steel coils in HR (hot rolled) and CR (cold rolled) conditions, optimized for stampings, profile drawings, tube rollings, and slitting distributions.
SS 321 Round Bar
Bright and black round bars offering excellent dimensional accuracy, tensile strength, and machinability. Designed for shafts, bolts, gears, and high stress mechanical components.
SS 321 Rod
Industrial rod materials and wire rods with reliable mechanical strength, ductile qualities, and chemical uniformity for drawing, forging, and structural operations.
SS 321 Wire
Premium metal wires in spool and coil forms, ranging in diameters from fine sizes to heavy wire. Highly uniform, corrosion resistant, and resilient for drawing and weave projects.
SS 321 Pipe Fitting
Premium butt-weld and forged pipe fittings including elbows, tees, reducers, unions, and couplings. Precision engineered to form secure, leak-proof transitions in industrial piping systems.
SS 321 Flange
Heavy forged flanges including Slip-On, Blind, Weld Neck, Socket Weld, and Threaded configurations. Designed to connect pipes, valves, pumps, and other equipment with secure sealing.
SS 321 Fastener
Enterprise grade bolts, studs, heavy hex nuts, washers, and threaded rods. Built to withstand high torque, extreme vibrations, heat, and chemical corrosion in critical joints.
SS 321 Wire Mesh
Industrial woven and welded wire mesh screens, optimized for chemical filtering, agricultural separations, architectural screens, and safety barriers.
SS 321 Angle
L-shaped structural angles offering high torsional stability, uniform dimensions, and high load capacity for structural framing, brackets, and construction.
SS 321 Channel
C-shaped structural channels providing outstanding bending stiffness, load capacity, and durability for columns, support structures, and industrial machinery bases.
SS 321 Beam
Heavy structural H-beams and I-beams built to sustain large vertical loads and spans in industrial buildings, bridges, and infrastructure projects.
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