<?xml version="1.0" encoding="UTF-8"?><toc><section id="foreword.nat"><title>Vorwort</title><section id="sub-amendments"><title>Änderungen</title></section><section id="sub-previous.edition"><title>Frühere Ausgaben</title></section></section><section id="sub-1"><label>1</label><title>Anwendungsbereich</title></section><section id="sub-2"><label>2</label><title>Normative Verweisungen</title></section><section id="sub-3"><label>3</label><title>Form und Maße</title></section><section id="sub-4"><label>4</label><title>Werkstoff</title><section id="sub-4.1"><label>4.1</label><title>Allgemeines</title></section><section id="sub-4.2"><label>4.2</label><title>Werkstoffklassen</title></section></section><section id="sub-5"><label>5</label><title>Anforderungen</title><section id="sub-5.1"><label>5.1</label><title>Anforderungen an den Werkstoff</title></section><section id="sub-5.2"><label>5.2</label><title>Verträglichkeit mit Kontaktmedien</title></section></section><section id="sub-6"><label>6</label><title>Prüfverfahren</title><section id="sub-6.1"><label>6.1</label><title>Allgemeines</title></section><section id="sub-6.2"><label>6.2</label><title>Härte und zulässige Härteabweichung</title></section><section id="sub-6.3"><label>6.3</label><title>Zugfestigkeit und Reißdehnung</title></section><section id="sub-6.4"><label>6.4</label><title>Druck-Verformungsrest bei 100 °C</title></section><section id="sub-6.5"><label>6.5</label><title>Druck-Verformungsrest bei − 25 °C</title></section><section id="sub-6.6"><label>6.6</label><title>Wärmealterung</title></section><section id="sub-6.7"><label>6.7</label><title>Kälteverhalten</title></section><section id="sub-6.8"><label>6.8</label><title>Verhalten nach Ozoneinwirkung</title></section><section id="sub-6.9"><label>6.9</label><title>Verträglichkeit mit Kontaktmedien</title></section></section><section id="sub-7"><label>7</label><title>Prüfbericht</title></section></toc>