Is C36000 being phased out due to lead content?

Yes — the EU Drinking Water Directive (2020/2184) and U.S. Safe Drinking Water Act Amendments (Reduction of Lead in Drinking Water Act, 2011) effectively ban lead-containing brass (>0.25% Pb wetted surface) for potable water applications. For plumbing components, lead-free alternatives have been developed: C27451 (bismuth-replacing-lead), C69300 (silicon brass EcoBrass®), and C87850 (low-lead silicon brass). For non-potable industrial applications (pneumatic fittings, hydraulic adapters, electrical terminals), C36000 remains legal and widely used because no alternative matches its machinability and cost-effectiveness. C36000 is likely to remain available for industrial (non-water-contact) applications for decades, but its use in potable water components is now prohibited in most jurisdictions.

C36000 Kostenlos-Cutting Brass: Zerspanbarkeit Rating 100% — Precision Turned Teile Norm

ASTM B16 / AMS 4610 / EN CW603N · Published: 2026-05-31 · Updated: July 2026

Quick Reference

C36000 free-cutting brass (61.5% Cu, 35.5% Zn, 2.5-3.7% Pb) is the benchmark alloy for machinability — it defines the 100% machinability rating against which all other copper alloys (and many steels) are measured. The lead addition forms discrete...

C36000 kostenlos-cutting brass (61.5% Cu, 35.5% Zn, 2.5-3.7% Pb) ist der benchmark alloy für machinability — es defines der 100% machinability rating against welche alle andere copper alloys (und viele steels) sind measured. Der lead addition forms discrete soft particles das act als chip-breakers und internal lubricants während machining, enabling cutting speeds auf zu 300 m/min mit carbide tooling ein automatic screw machines. C36000 produces klein, easily cleared chips (Typ 6 per ISO 3685 — kurz, comma-shaped) rather als lang stringy chips das tangle around tools und workpieces. Es ist der standard material für hoch-volume precision turned teile: plumbing fittings, ventil bodies, pneumatic connectors, clock und watch components, und electrical terminals.

Quick Facts

Kategorie	Brass & Bronze
Norm	`ASTM B16 / AMS 4610 / EN CW603N`
Density	8.50 g/cm³
Yield Strength	124-310 MPa (18-45 ksi) depending on temper
Tensile Strength	338-469 MPa (49-68 ksi) depending on temper

Global Equivalents & Cross-Reference

Alternative Norm / Güte	Action
EN CuZn36Pb3	Compare
JIS C3601	Compare
GB HPb59-1	Compare
DIN 2.0375	Compare
BS CZ124	Compare

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Frequently Asked Questions

Ist C36000 seiend phased aus due zu lead content?

Ja — der EU Drinking Wasser Directive (2020/2184) und U.S. Sicher Drinking Wasser Act Amendments (Reduction von Lead in Drinking Wasser Act, 2011) effectively ban lead-containing brass (>0.25% Pb wetted surface) für potable wasser applications. Für plumbing components, lead-kostenlos alternatives haben gewesen developed: C27451 (bismuth-replacing-lead), C69300 (silicon brass EcoBrass®), und C87850 (niedrig-lead silicon brass). Für non-potable industrial applications (pneumatic fittings, hydraulic adapters, electrical terminals), C36000 remains rechtliches und widely used because nein alternative matches sein machinability und kosten-effectiveness. C36000 ist wahrscheinlich zu remain available für industrial (non-wasser-contact) applications für decades, but sein verwenden in potable wasser components ist jetzt prohibited in meiste jurisdictions.

References & International Standards

ASTM International. Norm Specifications für Stahl & Metal Alloys. astm.org
International Organization für Standardization (ISO). Metallic Materials — Cross-Referenz Database. iso.org
American Iron und Stahl Institute (AISI). Stahl Güte Designations & Equivalents. steel.org
European Committee für Standardization (CEN). EN Stahl Standards & Numbering System. cencenelec.eu