{"id":1640,"date":"2026-10-06T03:48:44","date_gmt":"2026-10-06T03:48:44","guid":{"rendered":"https:\/\/www.wudejiansteel.com\/?p=1640"},"modified":"2026-10-06T03:48:45","modified_gmt":"2026-10-06T03:48:45","slug":"700-x-430-mm-die-steel-sawing-3-4-hours-per-cut-why-is-six-side-forging-and-the-three-forging-three-stretching-process-necessary-blog322","status":"publish","type":"post","link":"https:\/\/www.wudejiansteel.com\/?p=1640","title":{"rendered":"700 \u00d7 430 mm Die Steel Sawing: 3\u20134 Hours per Cut\u2014Why Is Six-Side Forging and the \u201cThree forging, Three stretching\u201d Process Necessary?\u00a0Blog322"},"content":{"rendered":"\n

I. <\/strong>Introduction to the Issue: Why Does It Take 3\u20134 Hours to Saw a Large Die Steel<\/strong> Plate?<\/p>\n\n\n\n

We have just completed a major project: sawing a thick die steel<\/a><\/strong>\u00a0plate measuring 700 mm wide by 430 mm high, with each cut taking 3\u20134 hours.<\/p>\n\n\n\n

Why go to such great lengths to cut it? There is only one purpose: to ensure the smelting process of six-side forging and \u201cThree forging, Three stretching\u201d. This time, the customer placed an order for four large pieces measuring 700mm \u00d7 430mm, and each one must be processed exactly according to the promised specifications.<\/p>\n\n\n\n

II. <\/strong>Industry Reality: Fraud in Mold Steel<\/a><\/strong>\u2014It\u2019s No Longer Just About Alloy Composition, but About Origin and Smelting Processes<\/p>\n\n\n\n

III.<\/strong> Conclusion First: When buying mold steel<\/strong> today, the biggest pitfalls aren\u2019t in the alloy composition, but in the origin and smelting processes.<\/p>\n\n\n\n

1) Composition: Alloy composition is almost impossible to fake anymore (spectral analysis can verify it);<\/p>\n\n\n\n

2) Origin Fraud: They claim the material comes from a major manufacturer, but actually supply material from a small one;<\/p>\n\n\n\n

3) Process Fraud: They promise six-sided forging or \u201cThree forging, Three stretching\u201d but actually supply machine-rolled material*\u2014this is the most easily overlooked and hardest to detect by conventional means.<\/p>\n\n\n\n

The Fraudsters\u2019 Profit Logic: They attract customers with low prices but cut costs by passing off machine-rolled material as forged material. While the price appears low, their profits remain intact. Meanwhile, competitors who insist on using genuine, high-quality materials end up appearing \u201cexpensive.\u201d<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

IV.<\/strong> Core Knowledge: Why Are Six-Side Forging and the \u201cThree forging, Three stretching\u201d Process Indispensable?<\/p>\n\n\n\n

Forging is the third of the \u201cFive Major Strengthening\u201d processes for tool steel and directly determines the uniformity of the steel\u2019s microstructure.<\/p>\n\n\n\n

After a steel ingot is smelted, two inherent problems exist:<\/p>\n\n\n\n

1) Alloy segregation: Uneven distribution of alloying elements;<\/p>\n\n\n\n

2) Coarse grain structure: Large blocks of eutectic carbides impair toughness.<\/p>\n\n\n\n

The only solution is six-side forging and the \u201cThree forging, Three stretching\u201d process:<\/p>\n\n\n\n

Process operation<\/strong><\/strong><\/td>Use<\/strong><\/strong><\/td><\/tr>
Three forging, Three stretching<\/td>Enable long-distance migration of grains to eliminate segregation.<\/td><\/tr>
Crushing of eutectic carbides<\/td>Eliminate the detrimental effects of large carbides on toughness<\/td><\/tr>
High-temperature diffusion + homogenization treatment<\/td>Homogenization of macro-and micro-grain microstructures<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Microstructural uniformity is a prerequisite for performance: only when the microstructure is uniform can the steel\u2019s \u201cdesigned properties\u201d be realized.<\/p>\n\n\n\n

Consequential logic: Why does forging fail, and why can\u2019t heat treatment salvage it?<\/p>\n\n\n\n

Heat treatment is the fifth and final process among the five major strengthening methods, responsible for bringing out the designed properties. However, it \u201cbrings out\u201d these properties\u2014it does not \u201calter\u201d them:<\/p>\n\n\n\n

The microstructure of die steel<\/strong> is continuous. If the microstructure lacks uniformity and features coarse grains, no matter how meticulously heat treatment is performed, the grains will remain coarse, the microstructure will remain poor, and the final performance will still fail to meet specifications.<\/p>\n\n\n\n

Therefore, forging (the third strengthening process) lays the foundation for the effectiveness of heat treatment (the fifth strengthening process)\u2014skipping six-sided forging means that all subsequent processes are simply wasted effort on a poor foundation.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

V. <\/strong>Our Approach: Integrity and Diligence\u2014No Compromises in Any Step of the Process<\/p>\n\n\n\n

1) We have specifically equipped our facility with a Taiwanese Heji sawing machine for cutting large, thick plates;<\/p>\n\n\n\n

2) Sawing such large materials is labor-intensive, consumes saw blades, and wastes material, but it is essential to ensure performance;<\/p>\n\n\n\n

3) Few in our industry have this level of patience and commitment\u2014and this is precisely the cost dividing line between true craftsmanship and machine-rolled steel.<\/p>\n\n\n\n

VI.<\/strong> Conclusion<\/p>\n\n\n\n

The mold steel<\/strong> industry is mired in a price war, but in the end, what truly sets us apart is integrity in craftsmanship. Once alloy compositions can no longer be faked, the origin and smelting process become the only areas open to fraud. When selecting mold steel<\/strong>, don\u2019t just look at the grade and price on the quote sheet; ask this crucial question: Is this material truly produced through six-sided forging and a \u201cThree forging, Three stretching\u201d process?<\/p>\n\n\n\n

In the mold steel<\/strong> business, only by maintaining integrity and diligence in every step of the process can performance be guaranteed and stabilized\u2014and only then will customers continue to place orders.<\/p>\n\n\n\n

*************<\/p>\n\n\n\n

Wu Dejian\u2019s tool steel<\/strong>, the chief of staff of the user, bought everything he had used.<\/p>\n","protected":false},"excerpt":{"rendered":"

I. Introduction to the Issue: Why Does It Take 3\u20134 Hours to Saw a Large Die Steel Plate? We have just completed a major project: sawing a thick die steel\u00a0plate measuring 700 mm wide by 430 mm high, with each cut taking 3\u20134 hours. Why go to such great lengths to cut it? There is only […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1640","post","type-post","status-publish","format-standard","hentry","category-blog"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t