In stock
- Flatness inspection every plate checked before it ships
- Edge-protected packaging flat-packed to prevent shipping damage
EOS M290 SS316 Build Plate | 50mm Corrosion-Resistant LPBF Platform
- ✓ 316L — stronger pitting and chemical resistance than 304 stainless
- ✓ Precision-ground flatness for consistent first-layer adhesion
- ✓ Made to order — choose your speed below: Express 2–3 wks, or Standard 6–8 wks (save ~45%)
What your process engineer actually checks
Flatness that survives repeated rebuilds
CNC-machined 316L stainless, stress-relieved and precision-ground. The 50mm profile leaves enough material to reface and re-flatten the plate across multiple build cycles before it needs replacing.
A materials engineer on the line
Not sure if SS316, SS304, or a dedicated Ti64 plate fits your next build? Our materials engineers reply in under 4 hours, NDA standard, and confirm compatibility before you order.
The EOS M290 SS316 Build Plate is a precision-machined 316L stainless steel platform for EOS M280 and M290 laser powder bed fusion (LPBF) systems. Its 9.92×9.92×1.97 in / 252×252×50 mm profile is stress-relieved and ground flat for repeatable first-layer adhesion across stainless steel, tool steel and other ferrous alloy builds.
Why process engineers choose this plate
Spec-backed reasons to run SS316 over a stock 304 or worn plate.
Better corrosion resistance than 304
316L adds molybdenum over 304 stainless for stronger resistance to pitting and chloride attack — useful in humid shops or when plates see cleaning chemicals between builds.
Ground flat for consistent first layers
CNC-machined and precision-ground to a tight flatness tolerance so the first fused layer bonds evenly across the full 252×252 mm platform — fewer recoater collisions, fewer failed builds.
50 mm profile, more regrind life
A thicker starting plate leaves more material to face off and re-flatten after each build cycle before it has to be retired — more usable life than a thin, single-use plate.
Fits both M280 and M290
One SKU covers both platforms, so a shop running mixed M280/M290 fleets doesn’t need to stock two separate build-plate part numbers.
How we get it to your build chamber
Every plate ships as a finished, inspected platform — not raw stock.
Machine to EOS spec
Each plate is CNC-machined from certified 316L stainless stock to the EOS M280/M290 clamping and recoater mounting pattern.
Stress-relieve & grind
Every plate is stress-relieved, then precision-ground to flatness tolerance before it ships — no field-lapping required on install.
Inspect & ship
Flatness is checked on the finished plate. Express ships in 2–3 weeks; Standard in 6–8 weeks at about 45% lower cost — contact us to confirm current turnaround.
Material compatibility & technical specifications
This plate is matched to stainless steel, tool steel and other ferrous LPBF processes on the EOS M280 and M290 — the same alloy family as the plate itself, which keeps chemistry consistent between plate and part. Full dimensions and attributes are in the Specifications tab.
- Stainless steels: 316L, 17-4PH
- Tool steels: H13, D2
- Other ferrous alloys qualified on EOS M280/M290 systems
Running titanium or aluminum instead? Use a dedicated Ti64 or aluminum build plate rather than this stainless plate. Reactive metals are best kept on a matched plate to avoid iron pickup into the melt pool and to keep material certification clean — see the EOS M280/M290 Ti64 Build Plate in the alternatives below.
| Parameter | Value |
|---|---|
| Material | 316L stainless steel |
| Plate thickness | 1.97 in / 50 mm |
| Platform size | 9.92 × 9.92 in / 252 × 252 mm |
| Compatible systems | EOS M280, EOS M290 |
| Country of origin | USA |
| Lead time | 2–3 wks (Express) or 6–8 wks (Standard) |
Typical applications
Where production teams run this plate.
Not sure this is the right plate for your build?
Three reasons teams pick a different plate — tap the closest match.
Running titanium insteadEOS M280/M290 Ti64 Build PlateView plate →
Bigger build volumeEOS M400 SS316 Build PlateView plate →
Why source through Additive Plus
- Plates machined and verified in-house — not a generic reseller SKU.
- Materials engineering support to match plate alloy to your build.
- Volume pricing on 5, 10 and 50-plate cases.
- Sub-24h engineer response, NDA standard.
| Brand | Additive Plus |
| Country of origin | USA |
| Material | 316L |
| Platform | M290, M280 |
| Delivery speed | Express (2–3 weeks), Standard (6–8 weeks) |
| Package | 1 plate, 10 plates, 5 plates, 50 plates |
| Dimensions | 252×252×50 mm, 9.921×9.921×1.969 in |
| Application | Engineering, Manufacturing, Medical |
Different machine platform Non-standard thicknessDifferent alloy family
Running an SLM, Renishaw, or other LPBF platform, need a non-standard thickness, or want a different alloy? Our shop machines custom build plates to your clamping spec — typical turnaround 2–4 weeks.
Complete the workflow
Corrosion-resistant. Biocompatible. Production-ready. Genuine Carpenter PowderRange® 316L austenitic stainless steel for LPBF, EBM & DED metal 3D printing.
- ✓ Gas-atomized, low-oxygen — COA on request
- ✓ Sold in small, workable volumes — no large mill minimums
- ✓ In US stock — ready to ship
A-Powder 316L — AO Metal’s LPBF powder line, 15–53 µm, in 10 kg containers.
- Lot certificate of analysis (COA)
Brand: A-Powder by AO Metal
Compact ATEX-certified vacuum for combustible dust and non-reactive metal powder in tight spaces — built to the D2 standard for Zone 22, with antistatic construction and an optional HEPA filter. 1.1 kW, 2-inch inlet, 3-gallon container.
- ✓ Small-footprint ATEX unit for point-of-use metal powder & combustible dust capture
- ✓ Optional HEPA filter · antistatic Class M · reactive metals need the inert unit
- ✓ In US stock · ships in 2 business days · genuine Delfin unit · ATEX docs on request
Hose and tools are sold separately. The Delfin KT1006 accessory kit ($721) fits this 2-inch inlet: 10 ft hose, wand, floor brush and nozzle.
The Farsoon FS350M is a multi-laser LPBF metal 3D printer for medium- to high-volume series production, supplied in 4×500 W, 4×1000 W or 6×500 W laser configurations on the same 17.1×14.1×15.7 in / 433×358×400 mm build cylinder.
- ✓ Three laser configurations — we supply and support all three
- ✓ 17.1×14.1×15.7 in / 433×358×400 mm build on a 65 sq ft / 6 m² class footprint
- ✓ Open platform — full access to process parameters, qualify your own alloy
- ✓ Lead time: built to order — confirmed at quote
Installation and commissioning in the USA: facility and gas planning, start-up and operator training by our US service team.
Other products teams run alongside EOS M290 SS316 Build Plate | 50mm Corrosion-Resistant LPBF Platform
xPP405 Black is a polypropylene-like LSPc photopolymer — tough and semi-rigid with about 100% elongation at break — supplied in a 1.5 kg smart cartridge that drops straight into the Nexa3D XiP and XiP Pro.
- ✓ PP-like toughness — 100% elongation, 51 J/m notched Izod
- ✓ UV and heat-ageing tested; UL94 HB at 2 mm
- ✓ 1.5 kg smart cartridge for XiP / XiP Pro (405 nm LSPc)
- ✓ In stock — ships in 1–2 business days from US inventory
In stock
· In stock — ships in 1–2 business days from US inventory.
Currently not in stock. Leave a request and we will confirm availability, price and lead time.
xFLEX475-Black is a medium-soft, rubber-like elastomer — 150% elongation at failure, up to 50% energy return, solvent-resistant.
- ✓ Resilient with snap-back and tear resistance — pipes and manifolds, handles, seals, gaskets, midsoles
- ✓ 150% elongation at failure, up to 50% energy return, resistant to most solvents
- ✓ Genuine Nexa3D resin for the XiP · 1.5 kg cartridge · not in stock, available on request
Out of stock
· Not in stock — available on request
Easy-to-print all-round industrial resin with excellent rigidity, an HDT of 122 °C and outstanding chemical resistance — for functional prototypes and demanding industrial parts.
- ✓ 92 MPa tensile · 3600 MPa modulus · HDT-B 122 °C — stiff and heat-stable
- ✓ Outstanding chemical resistance (<1% mass gain) & 0.3% water uptake
- ✓ Post-machinable (drill, grind); long-term thermal stability
- ✓ A cost-effective alternative to Loctite IND249 High Temp
Made to order
· Ships in <10 business days
Currently not in stock. Leave a request and we will confirm availability, price and lead time.
Medium-soft, single-component LSPc elastomer manufactured with Henkel LOCTITE — cures rubber-like for seals, grips, lattices and rubber-like production parts on the Nexa3D XiP.
- ✔ 55 Shore A with 159% elongation at break and 11.7 kN/m tear strength
- ✔ 1.5 kg format for XiP and XiP Pro — validated LSPc print profile included
- ✔ Water post-cure workflow, solvent-resistant, available on request (not in stock)
Out of stock
· Not in stock — available on request
In stock
· 2 Business Days
Implant-grade. Biocompatible. Wear-resistant. Genuine Carpenter PowderRange® CCM cobalt-chrome (CoCrMo, ASTM F75) for LPBF, EBM & DED metal 3D printing.
- ✓ VIM-melted, nitrogen gas-atomized — COA on request
- ✓ Excellent biocompatibility & non-magnetic (MRI-safe)
- ✓ Sold in small, workable volumes · in US stock, ready to ship
In stock
· In US stock · ready to ship
In stock
· In stock — ships in 1–2 business days from our Los Angeles warehouse.
Rigid black static-dissipative LSPc photopolymer: surface resistivity of about 10⁷ Ω to ASTM D257, with measured part surface resistance of 10⁶–10⁸ Ω from a dispersed discrete carbon-nanotube network. 5 kg bottle for Nexa3D NXE 400 and XiP.
- ✔ 10⁶–10⁸ Ω measured surface resistance — inside the 10⁶–10⁹ Ω static-dissipative band
- ✔ 68.1 MPa tensile, 97.4 MPa flexural, Shore D 87, HDT 91.3 °C at 0.45 MPa
- ✔ 5 kg bottle, Black — held in US stock, ships in 1–2 business days
In stock
· Ships in 1–2 business days from US stock.Common questions
Don't see yours? Email [email protected] — NDA standard, typical reply within 4 hours.
What material is the EOS M290 SS316 Build Plate made from?
Which machines is this build plate compatible with?
Can I use this SS316 plate for titanium or aluminum builds?
What flatness tolerance does the build plate hold, and why does it matter?
Is this build plate in stock, or is it made to order?
Can the plate be reground and reused after multiple builds?
Do you offer volume pricing for 5, 10, or 50 plates?
Can Additive Plus machine a custom build plate for a different machine or thickness?
Place your order, or talk to an engineer first
Order EOS M290 SS316 Build Plate | 50mm Corrosion-Resistant LPBF Platform direct, or talk to materials engineer