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        <h2 class="pull-left">Cung cấp sỉ, lẻ lò xo các loại, Gia công lò xo theo yêu cầu</h2>
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        <h1>CÁC LOẠI DÂY THÉP SẢN XUẤT LÒ XO</h1>
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            <li class="list-inline-item">Thứ sáu - 14/08/2026 03:09</li>
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            Trong sản xuất lò xo, vật liệu thép không chỉ khác nhau ở mác thép mà còn khác về độ bền kéo, giới hạn đàn hồi, khả năng chống mỏi, chống ăn mòn, nhiệt luyện và nhiệt độ làm việc. Vì vậy để thích hợp với từng nhu cầu và loại lò xo khác nhau người ta sẽ sử dụng những mác dây thép phù hợp.
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            <h2><span style="font-family:Times New Roman,Times,serif">Với công việc sản xuất lò xo CNC, có thể phân loại như sau:</span></h2>
<img alt="" height="776" src="https://loxocnc.com/uploads/news/2026_08/image.png" width="678" /><br />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,&#039;sans-serif&#039;"><span style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">PHÂN LOẠI NHANH CÁC NHÓM</span></span></span></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,&#039;sans-serif&#039;"><strong><span style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">-</span></span></span></strong><strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">SWP-B </span></span></span></strong></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,&#039;sans-serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đặc điểm: <strong>Là thép carbon cao+độ bền dây rất cao </strong></span></span></span></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,&#039;sans-serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Không có Cr/Ni ở mức đặc trưng của inox</span></span></span></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,&#039;sans-serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Phù hợp nhất với các loại: <strong>Lò xo kéo, lò xo nén, lò xo xoắn kích thước nhỏ và vừa</strong> </span></span></span></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,&#039;sans-serif&#039;"><strong><span style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">-</span></span></span></strong><strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">SUS304-WPB</span></span></span></strong></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,&#039;sans-serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Đặc điểm nhận diện rất dễ</span></span></span></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,&#039;sans-serif&#039;"><strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Cr~18-20%+Ni~8-10.5%</span></span></span></strong></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:115%"><span style="font-family:Calibri,&#039;sans-serif&#039;"><strong><span style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">-</span></span></span></strong><strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="line-height:115%"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">SUS316-WPB</span></span></span></strong></span></span></span><br />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt">Điểm quan trọng nhất:</span></span></span><br />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><strong data-end="3701" data-start="3685"><span dir="ltr" lang="VI" style="font-size:13.0pt">Có Mo ≈ 2–3%</span></strong></span></span><br />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt">Do đó khi phân biệt:</span></span></span><br />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><strong data-end="3765" data-start="3725"><span dir="ltr" lang="VI" style="font-size:13.0pt">SUS304 → gần như không có Mo đáng kể</span></strong></span></span><br />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><strong data-end="3794" data-start="3767"><span dir="ltr" lang="VI" style="font-size:13.0pt">SUS316 → Mo khoảng 2–3%</span></strong></span></span><br />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt">Đây là cách rất thực tế để QC phân biệt 304 và 316.</span></span></span><br />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,&#039;sans-serif&#039;"><strong><span style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">-</span></span></strong><strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">SUP6 / 60Si2Mn</span></span></strong></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,&#039;sans-serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Điểm đặc trưng:</span></span></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,&#039;sans-serif&#039;"><strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">Si tương đối cao ~1,5–2%</span></span></strong></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,&#039;sans-serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">→ Đây là nhóm <strong>thép lò xo Si-Mn</strong>.</span></span></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,&#039;sans-serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">So với 65Mn:</span></span></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,&#039;sans-serif&#039;"><strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">65Mn:</span></span></strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> Mn cao nhưng Si thấp hơn.</span></span></span></span></span><br />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,&#039;sans-serif&#039;"><strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;">60Si2Mn:</span></span></strong><span dir="ltr" lang="VI" style="font-size:13.0pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"> Si cao rõ rệt.</span></span></span></span></span>
<h3><span style="font-size:13.5pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><strong style="font-weight:bold"><span style="font-size:13.0pt">-</span><span dir="ltr" lang="VI" style="font-size:13.0pt">SUP10 / 50CrVA</span></strong></span></span></h3>
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt">Điểm nhận diện:</span></span></span><br />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><strong data-end="4090" data-start="4080"><span dir="ltr" lang="VI" style="font-size:13.0pt">Cr + V</span></strong></span></span><br />
<span style="font-size:12pt"><span style="font-family:&#039;Times New Roman&#039;,&#039;serif&#039;"><span dir="ltr" lang="VI" style="font-size:13.0pt">Đây là nhóm thép hợp kim có khả năng đạt cơ tính cao sau nhiệt luyện.</span></span></span>
<h2><strong><span style="font-size:20px"><span style="font-family:Times New Roman,Times,serif"><span style="color:rgb(231, 76, 60);"><em>Bạn đang chưa biết sử dụng vật liệu nào phù hợp cho sản phẩm của bạn.<br />
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