4. Dimensional Accuracy Test: The cold-drawn seamless elliptical pipe has extremely small tolerance for the length and diameter dimensions, and the cross-section is regular, meeting the precision requirements for mechanical assembly;溶接パイプの寸法は業界標準内に管理されています。
5. Material Strength and Impact Test: The Q355 high-carbon steel elliptical pipe has strong impact toughness and is less prone to cracking in low-temperature environments; 304 ステンレス鋼パイプ素材は水蒸気腐食に耐性があり、湿気の多い環境や化学環境に適しています。