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      • Engineering Alloy Steel
        • 4130 | 25CrMo4 | SCM430
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        • 34CrNiMo6 | DIN 1.6582
        • 30CrNiMo8 | DIN 1.6580
      • Case Hardening Steel
        • 8620 | DIN 1.6523
        • 18CrNiMo7-6 | DIN 1.6587
        • 15CrNi6 | DIN 1.5919
        • 16MnCr5 | DIN 1.7131
        • 20MnCr5 | DIN 1.7147
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      • Hot Work Steel
        • DIN 1.2714 | 56NiCrMoV7
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        • DIN 1.2343 | H11 | SKD6
        • DIN 1.2344 | H13 Ι SKD61
      • Cold Work Steel
        • DIN 1.2379 | D2 | SKD11
        • DIN 1.2080 | D3 | SKD1
        • DIN 1.2510 I O1 | SKS3
        • DIN 1.2842 | O2
      • Plastic Mold Steel
        • DIN 1.2311 | P20
        • DIN 1.2316 | X36CrMo17
        • DIN 1.2083 | X40Cr14
    • SPECIAL STEEL
      • Stainless Steel
        • 410 | X12Cr13 | SUS 410
        • 420 | S42000
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        • X20Cr13 | X30Cr13
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        • M2 | 1.3343 | SKH51
        • M35 | 1.3243 | SKH55
        • M42 | 1.3247 | SKH59
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        • NM450 Plate
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        • 52100 | 100Cr6 | SUJ2 | EN31
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ENGINEERING ALLOY STEEL

ENGINEERING ALLOY STEELadmin2026-01-04T13:06:55+08:00
GRADE LIST

ENGINEERING STEEL
AISI / SAEWerkstoff DINBSJIS / KS
10201.0402C22070M20 / EN3S20C
10401.1186C40080M40 / EN8S40C
10451.1191C45080M46S45C
10551.0535C55070M55 / EN9S55C
-1.733513CrMo44--
-1.733716CrMo44 -SCM415
41301.721825CrMo4708A25 / 708M25SCM430
41401.722542CrMo4708M40 / EN19SCM440
41451.722850CrMo4  -SCM445
43401.658234CrNiMo6817M40 /EN24SNCM447
51401.703541Cr4530M40SCr440
86201.652321NiCrMo2-2805M20SNCM220
98401.651136CrNiMo4817A37 / 817M37SNCM439
51201.714720MnCr5-SCr240
51151.713116MnCr5-SCr415
-1.850941CrAlMo7EN41B/905M39SACM645
admin2026-01-04T13:32:12+08:00

AISI 4130+QT 75K For Wellhead Device & Christmas Tree Equipment

Engineering Alloy steel
admin2026-01-04T13:32:20+08:00
708M40 Forged round steel

708M40 Steel Bar-BS 970

Engineering Alloy steel
admin2026-01-04T13:32:26+08:00
AISI 4140 Hot rolled round steel bar

3000+ tons Inventory For 4140 Hot Rolled Round Steel Bar

Engineering Alloy steel
admin2026-01-04T13:35:42+08:00
AISI 4330V Forged round steel with QT condition

AISI 4330V MOD | AISI 4330 Alloy Steel

Engineering Alloy steel
admin2026-01-04T13:35:49+08:00
SAE 4130 Shafts

SAE 4130 Steel Bar | AISI 4130 Alloy Steel-ASTM A29

Engineering Alloy steel
admin2026-01-04T13:35:54+08:00
SAE 4340 forged round steel

SAE 4340 Steel Bar | AISI 4340 Alloy Steel-ASTM A29

Engineering Alloy steel
admin2026-01-04T13:36:00+08:00
SAE 4140 forged round steel

SAE 4140 Steel Bar | AISI 4140 Alloy Steel-ASTM A29

Engineering Alloy steel
admin2026-01-04T13:36:07+08:00
34CrMo4 Forged round steel with QT condition

DIN 34CrMo4 Alloy Steel | AISI 4135 | 35CD4

Engineering Alloy steel
admin2026-01-04T13:36:20+08:00
36NiCrMo16 Forged shaft

36NiCrMo16 | DIN 1.6773 Alloy Steel

Engineering Alloy steel
admin2026-01-04T13:36:27+08:00
39NiCrMo3 Forged round steel

39NiCrMo3 | DIN 1.6510 Alloy Steel

Engineering Alloy steel
admin2026-01-04T13:36:36+08:00
30CND8+QT Forged round steel

30CND8 Alloy Steel | 30CrNiMo8

Engineering Alloy steel
admin2026-01-04T13:36:44+08:00
25crmo4 forged cylinders

EN 25CrMo4 Steel | 25CrMoS4 | DIN 1.7218

Engineering Alloy steel
admin2026-01-04T13:36:50+08:00
34CrNiMo6+QT Forged round bright steel

34CrNiMo6 Steel Round Bars With Full Size In Stock

Engineering Alloy steel
admin2026-01-04T13:37:04+08:00
AISI 4340 bright steel bar

1000+tons Full Size Stock For 4340 Steel Bright Bars

Engineering Alloy steel
admin2026-01-04T13:37:23+08:00
AISI 4140 Bright steel bar

One-Stop Solution For 4140 Steel Bright Bar

Engineering Alloy steel
admin2026-01-04T13:37:36+08:00
41Cr4 -DIN 1.7035 round steel

41Cr4 Alloy Steel | DIN 1.7035 | AISI 5140

Engineering Alloy steel
admin2026-01-04T13:37:47+08:00
SCM440 Forged round steel

SCM440 | SCM430 Alloy Steel-JIS G4105

Engineering Alloy steel
admin2026-01-04T13:37:54+08:00
AISI 9840 Forged Flat steel with QT condition

AISI 9840 Alloy Steel-ASTM A519 Standard

Engineering Alloy steel
admin2026-01-04T13:38:13+08:00
21CrMoV5-11 Forged round steel with QT condition

21CrMoV5-11 | 21CrMoV5-7 Steel

Engineering Alloy steel
admin2026-01-04T13:38:23+08:00
AISI 4150 Forged round steel

AISI 4150 Steel | 50CrMo4 | DIN 1.7228 Alloy Steel

Engineering Alloy steel
admin2026-01-04T13:38:30+08:00
51CrV4 Forged round steel with annealed condition

51CrV4 Steel | DIN 1.8159 | AISI 6150 Spring Steel

Engineering Alloy steel
admin2026-01-04T13:38:35+08:00
AISI 4145 Forged round steel with QT condition

AISI 4145 Alloy Steel | AISI 4145H

Engineering Alloy steel
admin2026-01-04T13:38:57+08:00
SNCM630 Forged steel with annealed condition

SNCM630 Steel-JIS G4103 Standard

Engineering Alloy steel
admin2026-01-04T13:39:09+08:00
F11-F12 Forged round steel

ASTM A182-F11/F12/F22 Alloy Steel

Engineering Alloy steel
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LATEST PRODUCTS

AISI 304 Stainless Steel 1.2311 Flat steel DIN 1.2343 ESR-Forged Flat Steel 310 Stainless Steel NM500 Wear Resistant Plate NM450 Wear Resistant Plate 1.2358 Forged flat steel A2 Air Hardening Tool Steel A8 Air-hardened cold work tool steel 1.2355 Forged Flat steel SKD11 Flat steel bar 1.2367 Flat Steel SCM420 Round Steel SKD61 Round steel bar 1.2344 flat steel bar 708M40 Forged round steel AISI 4140 Hot rolled round steel bar 4320 forged round steel 18CrNiMo7-6+FP forged round steel

LATEST UPDATE

  • Hot Work Steel Selection Guide: 1.2343 Steel vs 1.2344 Steel 03/01/2026
  • Stainless Steel: 410 vs 420, Which One is Your Favorite? 20/12/2025
  • Introduction to Chromium-Molybdenum Steel: 4130 Steel vs 4120 Steel 30/09/2025
  • From Composition to Application: How to Choose 4140 steel and 4142 steel? 28/09/2025

Contact Us

  No.86 Yueshan Road, Yuecheng Town, Wuxi City, Jiangsu Province, P.R. China

  +86 158 5272 6305

  sales@round-bars.com

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