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The middle diameter, at the same price as the coarse one

PGN Bearings WW-ER70S6-030-10LB, ER70S-6, 0.030 in, 10 lb

The general-purpose diameter from the same maker and at the same price as its 0.035 in wire — which makes the choice purely about the metal you weld.

PGN ER70S-6 solid MIG welding wire, 0.030 inch, on a ten-pound spool

PGN Bearings WW-ER70S6-030-10LB, ER70S-6, 0.030 in, 10 lb

The general-purpose diameter from the same maker and at the same price as its 0.035 in wire — which makes the choice purely about the metal you weld.

Amazon reference
B082P65XL3
EAN
0760655018903
  • 0.030 in is the general-purpose diameter, per this shelf's buying tip
  • The same price as the maker’s 0.035 in wire on this shelf, so diameter is a free choice rather than a cost
  • No tensile figure, no named shielding gas and no copper coating statement

Best for: The one spool to own if you weld mostly 2 to 5 mm (0.08 to 0.20 in) steel

≈ $33
Check price on Amazon

Specifications

Amazon reference
B082P65XL3
EAN
0760655018903

This is the middle of three PGN diameters on this shelf, and it is the one most workshops should own. This hub’s buying tip puts the general-purpose size at 0.8 mm (0.03 in) — which 0.030 in approximates — controllable from about 2 mm (0.08 in) of steel and capable of 5 or 6 mm (0.24 in) in several passes. The .035 in wire above it is for heavier work and the .023 in below it is for panel.

The useful fact is that the maker charges the same for this spool as for the 0.035 in one. Wire is sold by weight, so ten pounds of 0.030 in is more meters and more welding time than ten pounds of 0.035 in — and with the prices equal, the diameter becomes a decision about the metal rather than about the money. That is unusual enough to point out.

Everything else is the shelf standard: ER70S-6 with high silicon and manganese deoxidisers, stated for single and multi-pass work, on a reference that spells out what it is — WW-ER70S6-030-10LB. No tensile figure, no named shielding gas, nothing about the copper coating. On this shelf that puts it in the majority: of seven ER70S-6 wires here, one publishes a tensile minimum and three name a gas.

Availability

Read on the day this page was built: $33 at the American Amazon shop.

Read from Keepa on the day this page was last revised; stock and price both move without notice.

Prices quoted in this text were read on 2026-10-07. The live price is at the top of the page.

The questions welders ask

Why does it cost the same as the 0.035 in spool?

Because the wire is sold by weight, not by length. Ten pounds of 0.030 in wire is considerably more meters than ten pounds of 0.035 in, so the finer spool lasts longer in running time while costing the same — and the price being identical means the diameter decision can be made purely on the metal you weld rather than on the money. Both are ten-pound spools of the same classification from the same maker.

Is 0.030 in the right single spool to own?

For most workshops, yes. This hub’s buying tip puts 0.8 mm (0.03 in) — which 0.030 in approximates — as the general-purpose choice: controllable from about 2 mm (0.08 in) of steel, capable up to 5 or 6 mm (0.24 in) in multiple passes, and only really wrong on car-body panel. The same maker’s .023 in wire covers that thin end, which is the case for owning two spools rather than compromising on one.

More mig wire

  • PGN ER70S-6 solid MIG welding wire, 0.035 inch, on a ten-pound spool

    PGN Bearings ZY-GHM-0902-06, ER70S-6, 0.035 in, 10 lb

    The coarsest of three PGN wires on this shelf, on a listing whose fourth bullet exists purely to state the diameter and the weight clearly.

    Amazon reference
    B07XFFZX3V
    EAN
    0760655001301
    • One of three diameters of the same wire on this shelf — .023, .030 and .035 in — so the range covers sheet to section
    • A bullet devoted to stating the diameter and spool weight plainly, "making the key specifications easy to verify before ordering"
    • Carries a different reference format from the maker’s own .023 in and .030 in wires — ZY-GHM-0902-06 against WW-ER70S6-nnn-10LB

    Best for: Heavier fabrication, bought from a maker that offers the same wire in three diameters

    ≈ $33
    Check price on Amazon
  • VEVOR ER70S-6 MIG welding wire, 0.035 inch, on an eleven-pound spool

    VEVOR ER70S-6, 0.035 in, 11 lb

    The coarser of the two VEVOR wires on this shelf, in the larger spool — and the one whose listing drops the tensile figure its own stablemate publishes.

    Amazon reference
    B0CGCXKFQ2
    EAN
    0840349946337
    • Eleven pounds rather than ten, for a small increase over the brand’s 0.030 in spool
    • States the deoxidiser argument — higher manganese and silicon for dirty, oily or rusted steel
    • Does not publish the 490 MPa tensile figure that the same maker’s 0.030 in listing gives

    Best for: Thicker section and structural work, where 0.035 in lays metal faster than 0.030

    ≈ $27
    Check price on Amazon
  • VEVOR ER70S-6 solid MIG welding wire on a ten-pound spool

    VEVOR ER70S-6, 0.030 in, 10 lb

    The only listing on this shelf that puts a number on the weld rather than on the spool — a stated tensile strength of 490 MPa or better.

    Amazon reference
    B0GCDRL8V4
    EAN
    0197988178002
    • Publishes a tensile strength — at least 490 MPa — which no other wire in this hub states
    • Names both shielding gas options: 100 per cent CO2, or 80 per cent argon with 20 per cent CO2
    • A ten-pound spool where two wires on this shelf give eleven for less

    Best for: General fabrication where the deposit strength matters and the gas is already decided

    ≈ $25
    Check price on Amazon

Elsewhere in the workroom

  • SIXTOL Welding Mask 1, product photograph

    SIXTOL Welding Mask 1

    Twenty-three euros for an auto-darkening helmet — the cheapest thing on the European half of this site that protects something irreplaceable.

    Type
    Solar-powered auto-darkening
    Modes
    Welding and grinding
    Amazon reference
    B0CL8HN5GM
    EAN
    8595697702129
    • Auto-darkening at €23 — there is no excuse left for a hand shield
    • A grinding mode, so the lens stays clear while you dress the weld
    • No optical class, switching time or viewing area published

    Best for: A first helmet, or a spare so a visitor never welds without one

    Search Amazon for this model
  • Spurtar Welding magnets, 6 × 13 kg, product photograph

    Spurtar Welding magnets, 6 × 13 kg

    Six magnets for €20: they hold a corner square while you tack, and they are not clamps.

    Quantity
    6 magnets
    Hold
    13 kg (28.7 lb) each
    Angles
    45°, 90° and 135°
    Amazon reference
    B08GR33SXH
    EAN
    0696177836667
    • Six magnets means both ends of two joints held at once
    • Three angles cover square corners, mitres and obtuse bracing
    • Magnets hold for tacking and cannot resist a cooling weld

    Best for: Holding a frame square long enough to tack it

    Search Amazon for this model
  • Sägeband-Manufaktur M42 1620 × 13 × 0.65, 8/12 TPI, 5-pack, product photograph

    Sägeband-Manufaktur M42 1620 × 13 × 0.65, 8/12 TPI, 5-pack

    Eight to twelve teeth: the middle pitch, and the one to fit if you only ever fit one.

    Type
    Premium M42 HSS bi-metal
    Dimensions
    1620 × 13 × 0.65 mm (63.8 × 0.51 × 0.03 in)
    Pitch
    8/12 TPI, variable
    Quantity
    5 blades
    Amazon reference
    B0G49MVZB4
    EAN
    4251413669353
    • The compromise pitch: acceptable on both tube and moderate solid stock
    • Five blades, so the saw is never waiting for a delivery
    • A compromise is worse than the right pitch at either extreme

    Best for: A workshop that cuts mixed stock and does not want to change blades constantly

    Check price on Amazon

All mig wire