Welding Helmet Shade Chart: Lens Selection by Process and Current

Welding helmet shade chart by process and amperage

These are the minimum filter shades listed in OSHA’s 29 CFR 1910.133(a)(5) eye and face protection table. The values are minimums, not a single recommended setting for everyone. For stick welding, OSHA also specifies electrode-size bands. Match both the process and the job conditions before using the table.

Read the lower boundary carefully. A shade number is not a substitute for checking the helmet’s labeling and operating instructions. At an exact range transition, or if your process does not match the table, use the applicable standard and your equipment manufacturer’s shade guidance rather than guessing from an adjacent row. These OSHA requirements govern covered workplaces; home welders can use the table as a safety reference without assuming every workplace rule legally applies to a hobby shop.

Minimum shade versus a practical welding shade

A minimum filter shade is a protective floor in the OSHA table. It is not necessarily the shade that gives you a comfortable view of a bright arc. The American Welding Society’s welding-lens guidance describes darker working ranges, such as approximately 10 to 12 for many ordinary MIG jobs and 12 to 14 for some high-current welding. The correct choice still depends on the specific process and current, your helmet’s operating range, and how clearly you can see the puddle.

OSHA’s selection advice is deliberately conservative: begin with a shade too dark to see the weld zone, then use a lighter shade until the work is visible, without going below the applicable minimum. Don’t lower the shade merely because a scratched cover lens, poor lighting or a faulty auto-darkening filter makes the joint hard to see. Correct those problems instead.

Plasma cutting and oxyfuel use different shade charts

Plasma cutting is not the same process as plasma welding. OSHA groups plasma arc cutting by different current ranges. Its general table lists minimum shade 8 below 300 A, shade 9 from 300 to 400 A, and shade 10 from 400 to 800 A. Some equipment and welding-standard shade-selection guides break low-current plasma cutting into narrower bands and give different suggestions; do not silently replace the OSHA workplace table with a low-current manufacturer’s chart.

Those gas-welding and oxygen-cutting rows are based on plate thickness, not welding-machine amperage. The lowest-numbered cutting shades do not make ordinary tinted glasses suitable for MIG, TIG or stick arcs. Select eye and face protection designed and properly marked for the operation.

What a welding lens shade number actually tells you

A higher shade number makes the filtered view darker by allowing less visible light through. It does not tell you whether the shell fits, whether an auto-darkening filter responds properly, or whether the entire protective device meets the applicable eye-protection requirements. A shade designation and a documented safety rating answer different questions.

Auto-darkening helmets have a lighter nonwelding state and a separate selected welding shade. The light-state number, a grind-mode setting and the working arc shade must not be confused. On some models the available welding shades are split between two ranges that require a separate switch. Check the markings and the manual rather than assuming the main dial always selects the entire range.

Match the helmet’s adjustment range to your welding

If you mostly repeat one suitable job, a properly marked fixed-shade filter may be enough. If you change between TIG, MIG, stick and cutting, a variable-shade auto-darkening filter offers more control. Make your selection from the needed shades, low-current sensor performance, replacement cover availability and correct safety markings, not the number of marketing features.

Lincoln Electric VIKING 3350 K3034-4: wider stated shade coverage

Lincoln lists variable welding shades 5 through 13 for this particular VIKING 3350 model, which gives it lower-shade options the Jackson helmet below lacks. That is useful when the process calls for a setting below shade 9, but it still does not provide shade 14. A separate grind mode is not a welding setting. Verify the exact revision and its operating instructions before relying on low-current triggering.

See the Lincoln Electric VIKING 3350 K3034-4 on Amazon

Jackson Safety Insight 46101: a narrower 9 to 13 welding range

Jackson Safety documents a variable shade 9 through 13 filter for its Insight 46101. That can cover many common mid-current MIG jobs, but it gives you no shade 8 adjustment for applications where that level is desirable for visibility. It also stops at 13. Choose it for a compatible process and current range, not merely because the filter is auto-darkening.

Check the Jackson Safety Insight 46101 on Amazon

When neither is right: If the applicable job calls for a darker shade than 13, these specific filters are the wrong answer without a properly rated alternative. If an operator cannot see well at a compliant setting, investigate the lighting, lens and process rather than purchasing on shade range alone. A replacement fixed filter must match its helmet’s approved dimensions and retention system; a similarly sized generic plate is not automatically compatible.

Before you strike an arc: six checks that matter

1. Confirm the operation and current. Use the actual welding output setting, or the correct plate-thickness category for oxyfuel work, rather than the machine’s maximum capacity.
2. Check the filter range and markings. Follow the helmet/filter manufacturer’s instructions and the applicable workplace safety requirements. Never use an unidentified lens.
3. Set the welding shade. Start darker and reduce only as appropriate for visibility, staying within the correct protective guidance.
4. Exit grind mode. Verify the selected welding mode, sensor operation and batteries using the manufacturer’s pre-use test. Grind mode must not be used for live arc welding.
5. Inspect protection. Replace damaged or heavily scratched covers as specified, and use safety glasses beneath the helmet. Protect exposed skin and nearby observers against arc radiation and flying material.
6. Control the rest of the hazard. Suitable ventilation/fume controls, gloves, flame-resistant clothing and hot-work precautions remain necessary; the correct shade does not address fumes, electrical shock or fire.

Stop and do not weld if the auto-darkening filter fails its pre-use check, flickers unexpectedly, has a damaged cartridge, or cannot provide the required shade. Follow the manufacturer’s remedy or replace the equipment rather than trying to weld through the problem.

Three shade-chart mistakes that lead to the wrong purchase

• Reading a minimum as the ideal. A table showing shade 10 for mid-current MIG does not say shade 11 or 12 is excessive. A darker appropriate shade may be more comfortable.
• Reading a shade range as process certification. A filter labeled 9 to 13 may not be rated to detect a very low-current TIG arc reliably; check the specific manufacturer’s minimum TIG trigger rating and instructions.
• Using cutting numbers for welding. A low oxyfuel shade or a machine-specific plasma guide is not permission to use that filter for an arc welding process with a higher requirement.

Bottom line: First identify the process and operating current, then the correct minimum protection, then a comfortable working shade within a properly rated helmet’s range. Compare filters on that sequence before buying anything. If your current helmet meets those needs and passes its checks, a new helmet is not automatically necessary.