80/20 Bronze Strings | Fingerstyle, acoustic performances, warm-toned genres (e.g., folk, blues) | 80% Cu + 20% Zn alloy (ASTM F593); Gauge: 0.010–0.048 (Extra Light, ISO 2289) ▲ | Bright, warm tone; responsive to dynamics; ideal for expressive playing | Tends to wear faster (tone dulls in 2–3 weeks); less durable under heavy strumming |
Phosphor Bronze Strings | General acoustic playing, balanced tone for strumming and fingerstyle | 92% Cu + 8% Sn/Sb alloy (ASTM F1450); Gauge: 0.012–0.053 (Medium, ISO 2289) | Longer lifespan (4–6 weeks); balanced tonal warmth and clarity | Less bright than 80/20 bronze; heavier tension for light players |
Nickel-Plated Steel Strings | Electric/acoustic hybrids, rock, pop, and country genres | Steel core with nickel plating (ASTM B298); Gauge: 0.011–0.049 (Light, ISO 2289) | Versatile tone (bright and punchy); durable against corrosion | Less warmth in tone; heavier tension for fingerstyle |
Pure Nickel Strings | Vintage-inspired tones, blues, jazz, and classic rock | 100% nickel alloy (ASTM B230); Gauge: 0.010–0.047 (Extra Light, ISO 2289) | Warm, mellow tone mimicking vintage sounds; smooth feel | Prone to oxidation; shorter lifespan (2–3 weeks) |
Stainless Steel Strings | Heavy strumming, outdoor performances, or humid environments | 100% stainless steel (ASTM A240); Gauge: 0.013–0.056 (Heavy, ISO 2289) | Extremely durable (last 6+ months); resistant to corrosion and humidity | Harsh, bright tone; stiff tension may strain fingers |
Coated Strings (e.g., Elixir) | Longevity-focused players, frequent performances, or touring artists | 80/20 bronze core with polymer coating (ASTM D3359 adhesion test); Gauge: 0.011–0.049 | Extended lifespan (3–6 months); reduced oxidation and grime buildup | Slightly muted tone; coating may wear unevenly |