Forged H13 (1.2344) tool steel round bars, cut ends marked with grade and size, stacked in the mill

Aobo Steel
Tool Steel Supplier in China,
Serving Worldwide

Forged & hot-rolled tool steel bars — annealed, SEP 1921-82 D/d, mill test certificate with every heat.

Grades we supplyAISI / DIN / JIS
  • D2|1.2379|SKD11
  • D3|1.2080|SKD1
  • D6|1.2436|SKD2
  • A2|1.2363|SKD12
  • O1|1.2510|SKS3
  • O2|1.2842
  • S1|1.2550
  • S7|1.2355
  • DC53
  • H10|1.2365|SKD7
  • H11|1.2343|SKD6
  • H13|1.2344|SKD61
  • H21|1.2581|SKD7
  • L6|1.2714|SKT4
  • 52100|1.3505
  • M2|1.3343|SKH51
  • M35|1.3243|SKH55
  • M42|1.3247|SKH59
  • P20|1.2311
  • P20+Ni|1.2738
  • 420|1.2083
  • 440C|1.4125|SUS440C

✓100% UT Tested Quality Assurance

✓MTC (EN 10204 3.1) with Every Heat

✓20+ Years Forging Heritage in Huangshi

Get a quote in 24 hours

Send the grade, size and quantity. We reply with price, mill test certificate and lead time.

    Or email [email protected]

    1.2344 ESR (AISI H13) round bars in stock, bar ends marked 1.2344 with Ø222, Ø262, Ø300 and Ø322

    Request price & delivery

    Tell us the diameters, quantity and destination port — we confirm price, sizes and delivery within one working day.

      or WhatsApp +86 180 6294 5370 · [email protected]

      For aluminium extrusion die shops & steel stockholders

      1.2344 ESR Die Steel for Aluminium Extrusion Tooling

      DIN 1.2344 / X40CrMoV5-1 — AISI H13 / JIS SKD61 equivalent · electro-slag remelted

      ESR die steel for die holders, mandrels, container liners, backers and bolsters. Supplied annealed and turned, heat number on every bar, cut to length on request.

      • GradeDIN 1.2344 · X40CrMoV5-1 (AISI H13 · SKD61 · 4Cr5MoSiV1)
      • SizesØ20 – 600 mm — forged and turned
      • Length2 – 5.5 m mill length, or cut to your list
      • SurfaceTurned / peeled · black or polished on request
      • DeliverySpheroidized annealed ≤ 229–235 HB · EAF + LF + VD + ESR
      • DocumentsMTC EN 10204 3.1 per heat · UT SEP 1921-82 D/d or E/e
      • Order sizeMOQ 5 t — mixed sizes supported in one container

      Also supplied: H13 tool steel, ESR tool steel and D2 round bar. Selection: tool steels for aluminium extrusion dies · order planning: steel weight calculator.

      Pre-machined tool steel blocks and plates — milled square, stacked on the bench and packed on pallets

      Aobo Steel · Tool Steel Plate, Machined to Size · Huangshi, China

      Precision Ground Tool Steel Plate

      Ground flat stock · Blanchard ground plate · milled on 4 or 6 sides

      Plate cut to your finished thickness, then milled square or ground flat — no roughing allowance left to remove. D2/1.2379, DC53, O1, H13 and 420/440C, annealed for machining, heat number on every block.

      GradeD2 / 1.2379 · DC53 · O1 / 1.2510 · H13 / 1.2344 · 420 / 440C
      FinishMilled 4 or 6 sides, or Blanchard ground — Ra 3.2 µm milled, Ra 0.8 µm ground
      SizesThickness from 20 mm · width to 610 mm · length cut to your list
      ToleranceMilled +0.2/+0.4 mm · ground ±0.05 mm · flatness 0.05 mm / 100 mm
      ConditionSpheroidized annealed for machining · pre-hardened on request
      PackingAnti-rust oil + VCI film, fumigated pallet, banded for sea freight
      DocumentsMTC EN 10204 3.1 per heat · UT SEP 1921-82 on request

      One piece minimum on machined plate, 5 t on mill orders. Raw plate: D2 plate · bar: D2 round bar · grades: DC53 · H13 · machining allowance chart.

      Get a machined plate quote

      Send grade, size and finish. Price and lead time back within one working day.

        or WhatsApp +86 180 6294 5370 · [email protected]

        Full-Container Shipments Worldwide

        One supplier. One container. One coordinated export shipment.