Colse
Introduction
Business
Quality Management
Recruiting
Notice
Quality Management

We will always do our best to repay
our customers with excellent quality

Heat treatment process
  • CONTINUOUS HEAT TREATMENT
    Technical Data

    ·Performance : Q” 1,000kw/0.2khz, 700kw/0.2khz, T”400kw/0.2khz WorkingRange : Φ25~Φ300x15000L

Processing process
  • 2-ROLL STRAIGHTENING LINE PM 25-130
    Technical Data

    ·Performance : Q” 1,000kw/0.2khz, 700kw/0.2khz, T”400kw/0.2khz WorkingRange : Φ25~Φ300x15000L

    ·WorkingRange : Φ30~Φ130mm max, 11m length for Straightening line

    ·Straightness : 5mm/m (incoming material), 1mm/m (finished material)

  • ONE PEELING LINE PM 25-130
    Technical Data

    ·Performance : up to 305 HB

    ·WorkingRange : Φ27~Φ135mm Round (incoming material), Φ25-Φ130mm Round(finished material)

    ·Straightness : ≤1mm/m(incoming material), ≤ 0.3mm/m(finished material)

  • BACK 2-ROLL STRAIGHTENING LINE
    Technical Data

    ·Performance : up to 305 HB

    ·WorkingRange : Φ20~Φ100mm min

    ·Straightness : 1mm/m (incoming material), 0.3mm/m (finished material)

(주)동아
Head office
  • 20, Nammyeon-ro 113beon-gil, Seongsan-gu, Changwon-si, Gyeongsangnam-do, Republic of Korea
  • Tel. +82-55-273-4581~4
  • Fax. +82-55-273-3122
  • E-Mail. dongah@dongahbolt.co.kr
Seoul office
  • 217, Pyeongchon-daero, Dongan-gu, Anyang-si, Gyeonggi-do, Republic of Korea

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