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  • About Us
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    • Our Philosophy
    • Our Supply Range
    • Process & Design
    • ISO9001 Quality
  • Product
    • Tool Steel

      Hot Works Tool Steel

      • H13 | 1.2344 | SKD61
      • H11 | 1.2343 | SKD6
      • H10 | 1.2365 | SKD7
      • H12 | 1.2605 | SKD62
      • S7 | 1.2355

      Cold Works Tool Steel

      • A2 | 1.2363 | SKD12
      • D2 | 1.2379 | SKD11
      • D3 | 1.2080 | SKD1
      • O1 | 1.2510 | SKS3
      • L6 | 1.2714 | SKT4
    • Alloy Steel

      Engineering Alloy Steel

      • 4140 | 42CrMo4| SCM440 | EN19
      • 5140 | 41Cr4 | SCr440
      • 4340 | EN24
      • 34CrNiMo6 | 1.6582
      • 18CrNiMo7-6 | 1.6587
      • 8620 | 1.6523 | SNCM220
      • 30CrNiMo8 | 1.6580

      Wear Resistant Steel

      • NM400 Wear Resistant Plate

      • NM500 Wear Resistant Plate

    • Plastic Mold Steel
      • P20+Ni | 1.2738
      • P20 | 1.2311
      • P20+S | 1.2312

      Stainless Mold Steel

      • 420 | 1.2083
      • 420FM | 1.2085
      • 422 | 1.2316
      • S136 | S136H
    • High Speed Steel
      • M2 | 1.3343 | SKH51
      • M35 | 1.3243 | SKH55
      • M42 | 1.3247 | SKH59

      Stainless Steel

      • 440C

      Carbon Steel

      • 1045 | C45 | S45C | EN8
      • 1020 | S20C
  • 4140 Plate StockSale
  • FAQ
  • Blog
  • Contact
  • Home
  • About Us
    • History
    • Our Philosophy
    • Our Supply Range
    • Process & Design
    • ISO9001 Quality
  • Product
    • Tool Steel

      Hot Works Tool Steel

      • H13 | 1.2344 | SKD61
      • H11 | 1.2343 | SKD6
      • H10 | 1.2365 | SKD7
      • H12 | 1.2605 | SKD62
      • S7 | 1.2355

      Cold Works Tool Steel

      • A2 | 1.2363 | SKD12
      • D2 | 1.2379 | SKD11
      • D3 | 1.2080 | SKD1
      • O1 | 1.2510 | SKS3
      • L6 | 1.2714 | SKT4
    • Alloy Steel

      Engineering Alloy Steel

      • 4140 | 42CrMo4| SCM440 | EN19
      • 5140 | 41Cr4 | SCr440
      • 4340 | EN24
      • 34CrNiMo6 | 1.6582
      • 18CrNiMo7-6 | 1.6587
      • 8620 | 1.6523 | SNCM220
      • 30CrNiMo8 | 1.6580

      Wear Resistant Steel

      • NM400 Wear Resistant Plate

      • NM500 Wear Resistant Plate

    • Plastic Mold Steel
      • P20+Ni | 1.2738
      • P20 | 1.2311
      • P20+S | 1.2312

      Stainless Mold Steel

      • 420 | 1.2083
      • 420FM | 1.2085
      • 422 | 1.2316
      • S136 | S136H
    • High Speed Steel
      • M2 | 1.3343 | SKH51
      • M35 | 1.3243 | SKH55
      • M42 | 1.3247 | SKH59

      Stainless Steel

      • 440C

      Carbon Steel

      • 1045 | C45 | S45C | EN8
      • 1020 | S20C
  • 4140 Plate StockSale
  • FAQ
  • Blog
  • Contact
  • Home
  • About Us
    • History
    • Our Philosophy
    • Our Supply Range
    • Process & Design
    • ISO9001 Quality
  • Product
    • Tool Steel

      Hot Works Tool Steel

      • H13 | 1.2344 | SKD61
      • H11 | 1.2343 | SKD6
      • H10 | 1.2365 | SKD7
      • H12 | 1.2605 | SKD62
      • S7 | 1.2355

      Cold Works Tool Steel

      • A2 | 1.2363 | SKD12
      • D2 | 1.2379 | SKD11
      • D3 | 1.2080 | SKD1
      • O1 | 1.2510 | SKS3
      • L6 | 1.2714 | SKT4
    • Alloy Steel

      Engineering Alloy Steel

      • 4140 | 42CrMo4| SCM440 | EN19
      • 5140 | 41Cr4 | SCr440
      • 4340 | EN24
      • 34CrNiMo6 | 1.6582
      • 18CrNiMo7-6 | 1.6587
      • 8620 | 1.6523 | SNCM220
      • 30CrNiMo8 | 1.6580

      Wear Resistant Steel

      • NM400 Wear Resistant Plate

      • NM500 Wear Resistant Plate

    • Plastic Mold Steel
      • P20+Ni | 1.2738
      • P20 | 1.2311
      • P20+S | 1.2312

      Stainless Mold Steel

      • 420 | 1.2083
      • 420FM | 1.2085
      • 422 | 1.2316
      • S136 | S136H
    • High Speed Steel
      • M2 | 1.3343 | SKH51
      • M35 | 1.3243 | SKH55
      • M42 | 1.3247 | SKH59

      Stainless Steel

      • 440C

      Carbon Steel

      • 1045 | C45 | S45C | EN8
      • 1020 | S20C
  • 4140 Plate StockSale
  • FAQ
  • Blog
  • Contact

JIS G4103

JIS G4103Jeremy He2016-12-04T15:43:05+08:00
Jeremy He2023-11-07T15:13:09+08:00
aisi 8620 steel material

AISI 8620 Steel | 1.6523 | 21NiCrMo2 | SNCM220

ASTM A29, BS 970, DIN 1654, EN 10084, Engineering Steel, JIS G4103

AISI 8620 Steel is a low alloy nickel, chromium, molybdenum case hardening steel. We supply Schlumberger good quality sae 8620 round bar.

Jeremy He2023-11-07T15:24:39+08:00
4340 STEEL stock list

AISI 4340 Steel | 36CrNiMo4 | 1.6511 | EN24 | 817M40 | SNCM439

ASTM A29, BS 970, EN 10250, Engineering Steel, JIS G4103

AISI 4340 steel is a medium carbon, low alloy steel. There are some equivalents of 4340 steel, such as: 817M40/EN24 and 1.6511/36CrNiMo4 or Japan based SNCM439 steel.

About Otai

Otai Special Steel is stable supplier for Voestalpine & Thyssenkrupp, with ISO9001 Certified. Maybe No.1 stockist with widest size range of Alloy Steel 4140 Plate in China with over 10000 tons plate in stock.

E-Catalogue Download

otai special steel co catalogue-download-200

 

 

 

 

otai special steel co -ISO9001-certificate

Products

  • Tool Steel
  • Plastic Mold Steel
  • Alloy Steel
  • High Speed Steel
  • Blog

Contact

: 1F, Building B, Sanfang Industrial Area, Xiansha, Gaobu Town,Dongguan City, Guangdong Province, P.R. China
: +86-769-2319-0193
: +86-769-8870-5839
: +86-136-1014-9979
: Jeremy@otaisteel.com

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