LICHENGDAPRECISION MANUFACTURING
Tool steel plate grade

D2 Precision Tool Steel Plates

D2 tool steel plates are prepared to the specified blank size using milled, two-side-ground or eligible E1 six-side-ground finishes. The D2 E1 option is tied to hardened and tempered condition, rather than the grade name alone.

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Steel plates with machined faces stacked on pallets, external form reference
External product-form referenceSource: Moldtoolsteel

External reference photograph illustrating product form; not a Lichengda delivery.

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Grinding and Milling Options

Each catalog reference carries its selected scope into the quotation form. Finished dimensions, material records and acceptance follow the approved order.

D2 Two-Side Ground + Four-Side Milled Plates — model schematic
Model schematic · illustrative geometry
LCD-PL-D2-G2

Two-side ground + four-side milled

Precision grinding on two reference faces, with the four remaining faces milled. Thickness and length/width have separate tolerances.

Length / width
±0.10 mm
Thickness
±0.05 mm
Parallelism
0.04 mm / 100 mm between the ground reference faces
Material condition
Confirm the material condition for the order
Size scope
Maximum processing: 1200×800×400 mm; process review required

Finish dimensions and material condition are agreed for the selected grade. Large plates and additional geometric requirements need drawing-specific review.

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D2 E1 Six-Side Precision Ground Plates — model schematic
Model schematic · illustrative geometry
LCD-PL-D2-E1

E1 six-side precision ground

All six faces precision ground under the published E1 grade, condition and size limits.

Length / width
±0.02 mm
Thickness
±0.02 mm
Parallelism
0.02 mm / 100 mm
Material condition
Hardened and tempered
Size scope
L and W each ≤600 mm; T 10–200 mm

Hardened and tempered D2 blocks within the E1 envelope: length and width each ≤600 mm; thickness 10–200 mm.

Full finishing specification →Request this option
D2 Six-Side Precision Milled Plates — model schematic
Model schematic · illustrative geometry
LCD-PL-D2-M6

Six-side precision milled

All six faces precision milled to the agreed finished dimensions. Use the drawing to identify any additional grinding requirements.

Length / width
±0.10 mm
Thickness
±0.10 mm
Parallelism
0.08 mm / 100 mm
Material condition
Confirm the material condition for the order
Size scope
Maximum processing: 1200×800×400 mm; process review required

Finish dimensions and material condition are agreed for the selected grade. Large plates and additional geometric requirements need drawing-specific review.

Full finishing specification →Request this option
Grade and condition limits

E1 for D2 requires hardened and tempered condition, length and width each ≤600 mm, and thickness 10–200 mm. The three dimensional tolerances are ±0.02 mm; parallelism is 0.02 mm per 100 mm. Larger sizes, annealed material or additional requirements need separate review.

Grade designations are listed separately; no automatic equivalence or substitution is assumed. Per-100-mm parallelism does not define whole-plate flatness or surface roughness.

Drawing and Quotation Checklist

  • State whether D2 is ordered annealed or hardened and tempered, and identify the stage for dimensional acceptance.
  • For E1, include the final block dimensions and required hardness documentation.
  • Keep later machining allowance separate from dimensions that must already be finished on receipt.

Include quantity, drawing revision, required inspection documents and delivery destination. Single-piece and small-batch inquiries are accepted.

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Inspection and Production Planning

MTC material documentation, hardness and dimensional inspection reports can be requested. UT reports are available on request with an agreed scope. Regular plate sizes range from 100×100×20 to 800×600×300 mm; maximum processing size is 1200×800×400 mm, subject to grade, condition and finish review. This maximum does not carry the E1 tolerance.

Typical production: 3–7 working days. Working days exclude weekends and statutory public holidays in China. The clock starts on the next working day after formal PO receipt, final drawing/specification approval and applicable deposit receipt are all completed. Transport time is separate.

Inspection and documentation →Compare plate finishing routes →View product photographs →

D2 Tool Steel Plate Questions

Can annealed D2 plates use the published ±0.02 mm E1 specification?

No automatic E1 claim is made for annealed material. The published D2 E1 option requires hardened and tempered condition, length/width each ≤600 mm and thickness 10–200 mm.

Are D2 and SKD11 interchangeable in a plate order?

They are separate catalog designations. Supply follows the approved grade and documentation; an alternative designation needs explicit technical agreement.

How is a hardened-and-tempered D2 ground block inspected?

Define finished dimensions, datums and required geometric measurements on the drawing. Dimensional and hardness reports can be requested, with additional inspection scope agreed before ordering.

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