Nickel for warmth, phosphor bronze for richness, stainless steel for bite. Material is the core of your tone.
| Material | Brightness | Warmth | Lifespan | Best For |
|---|---|---|---|---|
| Nickel-Plated Steel | Medium | Medium | Medium | Versatile electric |
| Pure Nickel | Low | High | Medium | Vintage tone |
| Stainless Steel | Very High | Low | Long | Aggressive, modern |
| Phosphor Bronze | Medium | High | Medium | Warm acoustic |
| 80/20 Bronze | High | Low | Short | Bright acoustic |
| Nylon | Low | Very High | Long | Classical guitar |
String material is the biggest factor in how your guitar sounds. From warm nickel to bright stainless steel, here's what each alloy brings to your tone.
The industry standard for electric guitar. A steel core wound with nickel-plated steel wire delivers a balanced tone with clear highs and solid lows. Versatile enough for every genre from clean jazz to high-gain metal. Most guitars ship with these from the factory.
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The most popular acoustic string material. The phosphor additive gives a warm, rich tone with extended life compared to 80/20 bronze. Known for a slightly darker character that complements fingerpicking and strumming alike. The standard choice for most acoustic players.
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Also called brass strings. The 80% copper / 20% zinc alloy produces a bright, crisp, and articulate tone right out of the pack. Great for recording when you want that sparkly "new string" sound. They darken faster than phosphor bronze as the zinc oxidises.
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Bright, aggressive, and corrosion-resistant. Stainless steel strings stay fresh-sounding longer than nickel and deliver a sharp, present tone with lots of high-end bite. Popular with heavy players and those who sweat through strings quickly. The trade-off: they can accelerate fret wear on softer fret wire.
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Warm, smooth, and vintage-voiced. Pure nickel winds produce less brightness than nickel-plated steel, with a rounder midrange that suits blues, jazz, and classic rock. They feel slightly softer under the fingers and match well with vintage-style pickups. The go-to for players chasing a '50s or '60s tone.
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A newer alloy offering higher magnetic output than nickel. Cobalt strings interact more strongly with pickups, producing a wider dynamic range and extended high and low frequencies. They feel slightly stiffer than nickel strings. An excellent choice if you want more clarity and output without changing pickups.
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Designed for classical and flamenco guitars. Treble strings are clear nylon monofilament; bass strings are nylon cores wound with silver-plated copper. They produce a warm, mellow tone with soft attack and less sustain than steel strings. Available in different tensions (normal, hard, extra hard) rather than gauge numbers.
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Nickel-plated steel sits in the middle of the tonal spectrum—brighter than pure nickel, warmer than stainless steel. It's the default for good reason: it works with every pickup type and genre. If you don't know what to start with, nickel-plated steel is the safe bet.
Phosphor bronze is the acoustic equivalent of nickel-plated steel—the workhorse material. The phosphor additive slows oxidation and adds warmth compared to plain bronze. Most acoustic guitars sound their most balanced and natural with phosphor bronze strings.
80/20 bronze strings have a distinctive bright, bell-like tone when fresh. They're excellent for recording sessions where you want that "new string" shimmer. Live players who prefer longer-lasting brightness tend to choose phosphor bronze or coated options instead.
Stainless steel is the choice for maximum brightness and durability. It's also the most corrosion-resistant metal string option. Players in humid climates or those who produce a lot of hand sweat often switch to stainless steel simply for the longevity. The bright tone is a bonus for metal, progressive rock, and funk.
Pure nickel was the standard before nickel-plated steel took over in the 1960s. It's warmer, rounder, and less aggressive. Modern players choose it when they want to tame bright pickups or match a vintage setup. It's also slightly easier on your frets than steel-based strings.
Cobalt strings were introduced by Ernie Ball as a high-output alternative. The cobalt alloy has stronger magnetic properties than nickel, so it drives pickups harder and produces a fuller signal without needing hotter electronics.
Take our quick quiz and get personalised recommendations based on your guitar and playing style.
For electric, start with nickel-plated steel—it's versatile and comfortable. For acoustic, phosphor bronze is the go-to choice due to its balanced warmth and longevity.
Nickel-plated steel wraps a thin nickel coating over steel wire, producing a brighter, more present tone. Pure nickel uses solid nickel wire—warmer, smoother, and more vintage-sounding with less high-end brightness.
Neither is objectively better. Phosphor bronze is warmer, more balanced, and lasts longer. 80/20 bronze is brighter and punchier when fresh but dulls faster. Many players keep both on rotation depending on the sound they need.
Yes. Stainless steel resists corrosion and oil buildup better than nickel or bronze. The trade-off is a brighter, more aggressive tone and slightly rougher feel that can accelerate fret wear on softer fret metals.