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Material properties Material Group Subgroup Comment 4130 (USA / AISI) Structural and constructional steels SAE AMS 6351 Alloy Steel Application Aircraft-quality, low alloy steel in the form of sheet, strip and plate. These products have been generally used where deep drawing and forming are required. Hardness Dimension Hardness Heat Treated > 26 HRc Chemical Composition [%] Criterion Min Max Approx C 0.2800 0.3300 - Si 0.1500 0.3500 - Mn 0.4000 0.6000 - P - 0.0250 - S - 0.0250 - Cr 0.8000 1.1000 - Mo 0.1500 0.2500 - Ni - 0.2500 - Cu - 0.3500 - Cross Reference Table Material Standard Country 25 CrMo 4 AFNOR NF France 4130 AS Australia SA-29 Grade 4130 ASME USA A 513 4130 ASTM USA A 752 Grade 4130 ASTM USA A 519 4130 ASTM USA 25 CrMo 4 B.S. United Kingdom 25 ChML BDS Bulgaria 15130 CSN Czech Republic Page 1 All Rights Reserved 1999-2005 INI International
Cross Reference Table Material Standard Country 25 CrMo 4 DIN Germany GS-25 CrMo 4 DIN Germany 1.7218 EN European Union 25 CrMo 4 EN European Union ML30CrMoA GB China ML30CrMo GB China 20ChM GOST Russia 34 CrMo 4 ISO International 25 CrMo 4 ISO International SCM 420 JIS Japan SCM 430 JIS Japan C 4730 JUS Yugoslavia 25 CrMo 4 NBN Belgium 25 CrMo 4 NS Norway L 25 HM PN Poland 25 HM PN Poland 4130 SAE USA 367 (G-25 CrMo 4) SFS Finland 2225 SS Sweden 26 MoCr 11 STAS Romania F.222 UNE Spain F.8330 (AM 25 CrMo 4) UNE Spain 25 CrMo 4 UNE Spain 25 CrMo 4 UNI Italy 25 CrMo 4 KB UNI Italy G41300 UNS USA 1.7218 WN Germany Page 2 All Rights Reserved 1999-2005 INI International