Description
The Workhorse of Machined Components
When you’re running a high-volume CNC operation, material consistency and machine time are everything. That’s where our 416 free-machining stainless steel square bar comes in. Unlike standard 304 or 316 that fight your tools, this sulfur-enhanced martensitic grade (UNS S41600) cuts like butter – we’ve seen shops reduce cycle times by up to 35% compared to other stainless grades.
What sets it apart? The secret’s in the 85-90% machinability rating (benchmarked against 100% for B1112 carbon steel). We’re not talking lab numbers – in real-world gear manufacturing, this translates to fewer tool changes and less downtime. The precision-ground square profile holds ±0.001″ tolerance on thickness, with standard 10′ (3.05m) lengths that minimize weld joints in your assemblies.
Performance Where It Matters
- Corrosion resistance – Works great in dry industrial atmospheres and mild chemical exposures, though we’d suggest 316L for marine or acidic conditions. One of our valve clients runs these in steam applications at 150°F with no issues after 5 years.
- Heat treatment – Hardens to 42-45 HRC when properly quenched and tempered, making it ideal for wear-prone parts like firearm sears.
- Surface quality – The as-rolled finish typically measures 63-125 Ra, often eliminating secondary polishing for hardware applications.
We’ve supplied this grade for everything from medical device housings (where dimensional stability is critical) to heavy-duty truck fittings (where the magnetic properties simplify quality control). It’s one of those rare materials that performs consistently whether you’re making 100 or 100,000 pieces.
Made for Your Process
As a Chinese mill with over 15 years specializing in stainless bar, we control every step – from argon-oxygen decarburization to final straightening. Our ASTM A582/AMS 5610 compliant material gets tested for every heat lot, with mill certificates available.
Need something special? We routinely handle:
– Non-standard sizes (from 3mm to 150mm square)
– Tighter than standard tolerances
– Custom lengths (up to 4m with no scrap penalty)
– Value-added services like centerless grinding or chamfering
The best part? Our pricing stays competitive because we’re not a middleman. If you’re machining stainless in volume, let’s talk about how 416 can reduce your cost per part. Just share your specs – we’ll handle the rest.
