42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel vs ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties

Сводка

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel and ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties are both steel alloys commonly used in engineering applications.

Key Differences

Сравнение рейтингов

Прочность

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 5/10
ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 6/10

Коррозионная стойкость

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 3/10
ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 3/10

Лёгкий вес

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 5/10
ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 5/10

Обрабатываемость

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 6/10
ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 6/10

Экономическая эффективность

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 9/10
ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 9/10

Термостойкость

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 7/10
ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 7/10

Сравнение свойств

Property 42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties
Основной металл Steel Steel
Предел прочности на растяжение 565.0 MPa
Предел текучести 310.0 MPa
Относительное удлинение 16.0 %
Твёрдость (по Бринеллю) 163.0 HB
Модуль упругости
Плотность
Температура плавления
Теплопроводность
Сваривается
Поддаётся термообработке
Магнитный

Когда применять 42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel

Choose 42CrMo vs 4140 when your application specifically requires this steel alloy's unique combination of properties and industry certifications.

Когда применять ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties

Choose ASTM SAE AISI when you need superior strength.

Frequently Asked Questions

Which is stronger, 42CrMo or 1045?
Based on overall strength ratings, 1045 is stronger. 42CrMo scores 5/10 and 1045 scores 6/10 on the strength scale. Check specific tensile and yield values for your load case.
Does 42CrMo or 1045 have better corrosion resistance?
Both alloys share the same corrosion resistance rating of 3/10.
Is 42CrMo or 1045 easier to weld?
Weldability data is not available for both alloys. In terms of machinability, 42CrMo scores 6/10 and 1045 scores 6/10.
Which is more cost-effective, 42CrMo or 1045?
Both alloys are similarly priced with a cost rating of 9/10.
Can I use 42CrMo instead of 1045 for structural applications?
42CrMo has a strength rating of 5/10 versus 6/10 for 1045. Always validate substitution against your specific design codes and operating conditions.

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