Guides pratiques pour acheteurs internationaux
Ce que les acheteurs s'approvisionnant en pièces de tôle d'acier depuis la Chine doivent savoir. Méthodes de découpe, nuances de matériau, inspection et comment éviter les erreurs les plus courantes.
Articles publiés en anglais
Les articles techniques complets sont publiés en anglais uniquement. Ce centre de ressources répertorie les articles publiés et renvoie vers la version anglaise avec une mention de langue claire. Aucune URL /fr/blog/{slug}/ n'existe à ce stade.
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Sourcing Steel Plate from China vs Local Suppliers: Cost, Lead Time and Risk Factors
When overseas sourcing may make sense — a comparison of cost, lead time, quality, and risk factors without universal savings promises.
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How to Read a Steel Plate Cutting Quote: What Each Line Item Means
A steel plate cutting quote has 5–8 line items. Material, cutting fee, beveling, secondary operations, packing. How to compare suppliers accurately and spot red flags.
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Steel Plate Cutting for Structural Steel Fabricators: Tolerances and Volume
A36/Q235/S355 for structural work. Max panel 5500×30000mm. ±0.5–1mm for most structural applications. Beveling for weld prep and volume capacity for repeat programs.
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S355 and A572 Steel Plate Cutting: European and North American Grade Comparison
S355, A572 Gr.50, and Q355 are commonly compared structural grades, but chemistry, testing, certification, and project requirements may differ. How to order using your local grade name and what to confirm before production.
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Export Packing for Steel Plate Parts: What Protects Your Order in Transit
Steel parts face vibration, humidity, and stacking pressure over 20–35 days at sea. Packing method, rust prevention, container selection, and required documents.
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Steel Plate Cutting for Agricultural Machinery: Typical Parts and Specifications
Most agricultural machinery parts run 6–30mm in Q235 or Q345 — well within laser range. Seasonal batch patterns and surface treatment requirements for ag programs.
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When to Use Laser Cutting vs Flame Cutting: A Decision Guide for Buyers
Thickness resolves most of the debate. The 30–55mm overlap zone and tolerance requirement create real decision points. A practical decision table for buyers.
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Minimum Order Quantity for Steel Plate Cutting: What Most Suppliers Won't Tell You
Most suppliers have a minimum — they just don't say it clearly. At YUNCUT there is no strict MOQ. How small orders are priced and how to run a useful trial order.
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AR400 and NM400 Wear Plate Cutting: Hardness, Heat, and Edge Quality
360–440 HBW wear plate needs careful heat management to control cracking risk. How hardness affects the cutting process, edge quality, and what to watch for when ordering.
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Steel Plate Cutting Lead Times from China: What's Realistic and What to Plan For
Production time is confirmed per order; ocean freight varies by route and schedule. How to build a supply plan using typical planning windows.
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Ordering 200mm Flame Cut Steel: Edge Condition, Slag, and What to Specify
200mm is YUNCUT's maximum flame cutting thickness. Edge condition, slag volume, and part geometry must be confirmed before production starts — not after.
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Steel Plate Cutting for Mining Equipment: Wear Plate, Thick Plate, and Lead Times
NM400/AR400 for buckets and liners, Q345/Q690 for frames. Cutting challenges for wear plate, thick plate capacity, and supply chain planning for mining programs.
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Laser Cutting Tolerances vs Flame Cutting Tolerances: A Practical Comparison
Laser achieves ±0.1 ~ ±0.3 mm. Flame achieves ±0.5–1mm. When the tighter tolerance is worth the cost — and when ±1mm is perfectly fine for your application.
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Q690 High-Strength Steel Cutting: Why Standard Parameters Don't Apply
Q690 has high carbon equivalent and is susceptible to cold cracking without preheat. Why standard flame cutting parameters fail and what needs to change.
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Steel Plate Cutting Price Guide: What Affects the Cost Per Kg
There is no standard price per kg. Material, cutting process, part complexity, volume, and secondary operations each affect cost. How to get an accurate quote.
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Steel Plate Cutting for Construction Machinery: What Excavator Manufacturers Need
Q345 for frames, Q690 for boom sections, NM400 for buckets. Typical part specs, laser vs flame selection, and lead times for construction machinery programs.
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Cutting 150mm and 200mm Steel Plate: Flame Cutting Parameters and Edge Finish
At 150–200mm, heat accumulation is significant and cutting speed is slower. What to expect for edge finish, slag removal, HAZ, and beveling.
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A36 Steel Plate Cutting: Tolerances, Edge Quality, and What to Confirm
A36 is commonly compared with Q235 and S235 — specification confirmation required. Laser for ±0.1 ~ ±0.3 mm up to 55mm, flame for thicker sections. What to confirm before placing your order.
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Flame Cutting vs Plasma Cutting: Which Is Right for Thick Plate?
Plasma capability varies by system. Flame cutting handles 30–200mm. A buyer-focused comparison of thickness range, tolerance, cost, and edge quality.
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How to Prepare a DXF File for Steel Plate Cutting
DXF is the preferred format — CNC-ready, no conversion. Units must be mm. Closed profiles, separated layers. Common mistakes and how to avoid them.
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What File Formats Does YUNCUT Accept? DXF, DWG, PDF, and More
DXF is preferred. DWG, PDF, STEP, and IGS are also accepted. No CAD file? A dimensioned sketch or photo works too. File checklist before sending.
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Cutting 100mm Steel Plate: What to Know Before You Order
100mm exceeds laser cutting range. Flame cutting handles 30–200mm. Tolerance ±0.5–1mm, bevel options 0°–85°. What to specify before the order starts.
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How to Order Steel Plate Cutting from China: A Step-by-Step Guide
Seven steps from inquiry to delivery. No drawings needed to start. Lead time confirmed per order scope. What to prepare at each stage to keep your order moving.
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How Thick Can Steel Plate Be Cut? Laser vs Flame Explained
Steel plate can be cut up to 200mm thick. Laser handles 0.5–55mm at ±0.1 ~ ±0.3 mm. Flame handles 30–200mm at ±0.5–1mm. How to choose based on thickness, tolerance, and edge condition.
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5 Things to Confirm Before Sourcing Steel Plate from China
The most common sourcing mistakes come from skipping upfront confirmation. Material grades, dimensional tolerances, inspection, pre-shipment confirmation — what to check before production starts.
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Laser vs. Flame Cutting — How to Choose Based on Thickness, Tolerance, and Use
Laser cutting is not always the better option. How to decide between laser and flame cutting based on plate thickness, required tolerance, edge condition, and application.
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Why Pre-Shipment Inspection Should Be Standard, Not Optional
The most preventable sourcing problems happen after shipment. How pre-shipment photos, inspection reports, and payment timing work together to protect your order.
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Steel Grade Equivalents Are Not Direct Substitutes — What to Confirm Before Ordering
S355 and A572 Gr.50 are similar, but not identical. How to handle grade equivalents when sourcing from China using your EN, ASTM, or JIS specification.
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Ordering Thick Plate Steel Cutting — What to Confirm Before Production Starts
Thick plate above 30mm requires different considerations than thin plate. Thermal distortion, minimum hole size, burn marks, edge condition — what to address before the order starts.
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