430 plate & sheet
EN 10204 3.1
430 plate and sheet provide ferritic stainless performance for mild industrial exposure for cut, formed or fabricated components. Thickness, flatness and thermal history determine how the stock becomes a usable cover, liner or structural section.
- MOQ
- 100 kg
- Samples · typical
- ~20 days
- Production · typical
- 25–35 days
- Heat treatment
- Annealed
EN 10204 3.1 MTC + heat-number traceability
Which standard is on your order?
Raw Material Specifications
Heat Treatment
AnnealedAnnealing reduces work hardening and restores ductility for the specified supplied condition.
What we can make in 430
Plate
Use for machined covers, tube sheets and equipment plates. Include finishing allowance where machining must remove mill scale or achieve flat gasket and bearing faces.
Sheet
Use for formed covers, ducting and thermal shields where bendability and thickness consistency matter. Surface finish and grain direction can affect visible surfaces and bend quality.
Cut blanks
Use cut profiles to reduce workshop cutting and material waste before fabrication. Hole position, edge finish and heat-affected edges matter when the blank goes directly into forming or welding.
- Size
- Thickness × width × length
- Supply form
- Plate · Sheet · Cut blanks
- Geometry
- Flatness · Squareness · Edges
- Condition
- Grade-specific delivery condition
- Final condition
- Annealed
- Inspection
- Cross-section · Surface · Delivery condition · Heat identity
Supply & preparation
Plate or sheet is prepared as full pieces or cut blanks, with stock condition retained through cutting and identification.
Material condition
The final annealed or specified strengthened condition is linked to the lot; an aging treatment is not assumed for a solid-solution alloy.
Finished geometry
Thickness, flatness, squareness and edge condition determine the usable blank.
Where 430 fits — and what matters
Industrial Machinery & Automation
Machine guards and instrument panels430 plate & sheet are cut and formed into machine guards and instrument panels, support plates or cover blanks. Thickness and flatness set the available section before cutting, bending or joining. Alignment, operating cycles and replacement access define the working interface.
Automotive & EV Manufacturing Equipment
Production-machine guards and sensor panels430 plate & sheet are cut and formed into production-machine guards and sensor panels, support plates or cover blanks. Thickness and flatness set the available section before cutting, bending or joining. Repeated tooling changes require consistent seating and repeatable assembly dimensions.
Pumps, Valves & OEM
Actuator housings and removable equipment covers430 plate & sheet are cut and formed into actuator housings and removable equipment covers, support plates or cover blanks. Thickness and flatness set the available section before cutting, bending or joining. Repeated maintenance makes fit, engagement and access part of the component specification.
Same plate & sheet. Different material priorities.
430 material data316L
Molybdenum-bearing stainless performance in wet equipment.
- Connection priority
- Plate stiffness or the load carried by a formed section
- Washdown and retained cleaner
- Cleaner concentration, rinse quality and deposits determine the exposure in covered joints. The low-carbon designation does not independently establish a fastener strength class. Include liquid retained at formed corners, cut edges and welded seams in the exposure description.
17-4 PH
Aging-controlled strength and hardness.
- Connection priority
- Plate stiffness or the load carried by a formed section
- H900 versus H1150
- The aging condition changes the balance of strength, hardness and toughness. A replacement part needs the specified H condition, especially where contact wear and shock load occur together.
Inconel 625
Solid-solution strength and resistance to aggressive process liquids.
- Connection priority
- Plate stiffness or the load carried by a formed section
- Annealed or solution-annealed 625
- The delivery condition affects strength and high-temperature response. Keep the specified condition with the component’s mechanical acceptance; 718-style aging is not the strengthening route for 625. Include liquid retained at formed corners, cut edges and welded seams in the exposure description.
From drawing to documented delivery
- 01Drawing & BOMForm, dimensions and quantity
- 02Material & formingGrade, heat and manufacturing route
- 03Final inspectionGeometry, threads and ordered tests
- 04Documents & dispatchLot records and identified packing
Order documents
- Material identity
- UNS S43000 · heat number · ordered condition
- Stock acceptance
- Grade chemistry, supplied condition and ordered mechanical requirements.
- Dimensional record
- Cross-section · Surface · Delivery condition · Heat identity
- Traceability
- EN 10204 3.1 material certificate · production lot · identified packing
Build your 430 plate & sheet enquiry
Questions about 430 plate & sheet
Which stock details matter beyond alloy and thickness?
Flatness, surface finish, edge preparation and any directional forming requirement influence the usable component. A cut blank also needs a heat identity that survives separation from the original sheet or plate.