Skip to content
Otai Special Steel Logo Otai Special Steel Logo Otai Special Steel Logo
  • 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
  • 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 G4801, for Spring Steels

JIS G4801, for Spring SteelsJeremy He2016-12-04T15:43:04+08:00
Jeremy He2024-11-05T10:06:31+08:00
aisi 6150 steel spring alloy steel

AISI 6150 Steel | 1.8159 | 51CrV4 | Sup10 Spring Steel

ASTM A29, EN 10083, Engineering Steel, JIS G4801

AISI 6150 steel is chromium vanadium type spring steel. It’s a similar alloy steel to 5150 steel with small, but effective, vanadium addition, to import greater hardness.

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

Request A Quick Quote







    Column with * is required

    Regular Required Shape *

    Round BarFlat BarBig PlateHexagonHollow Bar/Pipe

    *We will reply with best offer in shortest time*.

    Copyright 1999-2023 Otai Special Steel | All Rights Reserved
    Page load link
    --Trusted by Bohler & Thyssenkrupp--
    ---10,000 Tons 4140/42CrMo4 Plate In Stock---

    SAVE UP TO
    1,000 $ DISCOUNT

    Enter Your Email To Get Discount On
    4140/42CrMo4 Plate Orders
    GET MY 1000 $ DISCOUNT
    Hurry up, Limited Deals Available!
    close-link
    Chat now !
    1
    Need Help? Jeremy is online
    WhatsApp
    Hello, this is Jeremy from Otai, your No.1 choice for 4140 plate.
    How can I help you ?
    Go to Top