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    • 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

EN 10250

EN 10250Jeremy He2016-12-04T15:43:06+08:00
Jeremy He2025-02-18T10:53:14+08:00
SAE / AISI 4130 steel is a versatile alloy with good atmospheric corrosion resistance and reasonable strength

AISI 4130 Steel | 25CrMo4 | 1.7218 | 708A25 | SCM430

ASTM A29, EN 10083, EN 10250, Engineering Steel, JIS G4053, JIS G4105

AISI 4130 steel is a medium carbon, low alloy steel in ASTM A29 standard. ASTM 4140 steel is also commonly referred to as a chromoly steel, or chrome moly steel.

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.

Jeremy He2024-06-14T16:44:52+08:00
en din 34CrNiMo6 steel round bar in ht hot rolled or qt pre harden condition

EN DIN 34CrNiMo6 | 1.6582 | 4337 Engineering Steel

ASTM A29, EN 10083, EN 10250, Engineering Steel

EN 34CrNiMo6 Steel is an important alloy engineering steel grade as per BS EN 10083-3:2006. 34CrNim06 steel has high strength, high toughness and good hardenability.

Jeremy He2023-11-07T15:25:48+08:00
DIN BS EN 42CrMo4 alloy steel plate and round bar engineering

BS EN 42CrMo4 | 1.7225 Alloy Engineering Steel

BS 970, EN 10083, EN 10250, Engineering Steel

BS EN 42CrMo4 Alloy Steel is a common chromium-molybdenum steel that usually used after quenched and tempered, with high intensity, high hardenability. 42CrMo4 Alloy Steel is widely used in engineering steel.

Jeremy He2024-11-27T17:18:31+08:00
AISI Grade 4140 steel bar engineering steel

AISI 4140 Steel Bar | 1.7225 | 42CrMo4 | SCM440

ASTM A29, BS 970, EN 10083, EN 10250, Engineering Steel, JIS G4053, JIS G4105

AISI 4140 steel is a chromium molybdenum alloy steel which is widely used as tool steel in industry. where greater toughness and wear resistance is needed over lower carbon grades.

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.

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: 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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