sales@hdcmfg.com
+86 150 5221 8226
+86 150 5221 8226

فولاذ 42CrMo4: التركيب والخصائص والقيود والتطبيقات

جدول المحتويات

42crmo4

ملخص

HDC Manufacturing is your eminent hub for tailored fabrication of metallic components, boasting a wealth of ten years’ proficiency. Our avant-garde production facilities showcase cutting-edge 4-axis and 5-axis machining centers, complemented by sophisticated scrutiny apparatus like Coordinate Measuring Machines (CMMs). HDC Manufacturing takes great pride in an array of machining alternatives, encompassing التصنيع باستخدام الحاسب الآلي, صب, تشكيل, القطع بالليزر، و ختم المعادن.

Delving into the realm of 42CrMo4 Steel Machining, HDC Manufacturing emerges as a steadfast ally laden with abundant expertise. Our adept team harnesses the most recent technologies and refined methodologies, ensuring the zenith in processing 42CrMo4 steel. Whether entailing intricate detailing or robust structural elements, HDC Manufacturing stands primed to dispense precision and eminence in 42CrMo4 steel machining.

Unveil the myriad prospects with HDC Manufacturing as your entrusted collaborator in the realm of 42CrMo4 steel machining. Our unwavering dedication to excellence, fortified by years of industry acumen, guarantees that your custom metal components align with the utmost standards. Connect with HDC Manufacturing today and let us be your preeminent choice for all facets of 42CrMo4 steel machining.42crmo4 فولاذ 1

ما هو الفولاذ 42CrMo4؟

42CrMo4 steel is one of the frequently used alloy steels that is characterized by its high strength, great toughness, and good hardenability. It is certainly a chromium-molybdenum one that is characterized by the European standard EN 10083-3. The “42” stands for the approximate carbon content which is 0.42% (carbon), while CrMo means chromium (Cr) and molybdenum (Mo) are added as alloying components. This steel is in demand where elevated tensile strength is required, such as in gears, shafts, axles, connecting rods, heavy duty machinery components, and so forth. 42CrMo4 steel could be thermally processed to achieve desired mechanical properties, which would include increased hardness and wear resistance. It is normal to supply it in the quenched and tempered condition that produces a hardened microstructure that meets the extreme demands for various applications in cars, aircraft, and manufacturing fields.

What are the Other Names for 42CrMo4 Steel?42crmo4 فولاذ 2

The 42CrMo4 steel known for its high strength, toughness, and hardenability bears as many names as international standards and industrial practice have. Refereed to as 1.7225 steel in the European Union, commercially referred to as SCM440 steel in Japan, it is an engineering structural steel. In the United States, the steel is sometimes referred to as 4140 steel, even though it does not entirely correspond in composition, it possesses similar properties and applications. In the end, all trade names are a reference to the same Cr-Mo steel alloy widely used in industries that demand robust materials for such applications as gears, shafts, axles, and heavy duty components of machinery.

حدود الفولاذ 42CrMo4

Although boasting some outstanding mechanical attributes, 42CrMo4 steel has weak points that also need to be considered. Weldability can be difficult because of its high hardenability, and thus a need for preheating and post-weld heat treatments to avoid crack formation. Machining might also have some problems, especially in the hardened condition, since the adjustment of suitable parameters and tool materials would need to be carefully made. On the other hand, the steel cost can be high compared to low-alloy steel alternatives because of the alloying of chromium and molybdenum. Compared to plain carbon steels, 42CrMo4 provides a reasonable corrosion resistance, but the corrosion resistance still does not compete with stainless steels or other special alloys. Such limitations put into relief the fact that strict application requirements should be taken into account and that untrimmed components made of 42CrMo4 steel must be used properly for the best performance of these components.

التركيب الكيميائي للفولاذ 42CrMo4

42CrMo4 steel is a strong, hardenable heat-treatable steel with good machinability, strength, wear resistance, toughness, and poor weldability, recognized as an excellent alternative to expensive alloys, like chrome-nickel and chrome-nickel-molybdenum steels. It is commonly used for parts of automotive, armament, mechanical engineering, and more required to be worn, bent, and load. 42crmo4 فولاذ 3

عنصرالوزن %
الكربون (C)0.38 – 0.45
الكروم (Cr)0.90 – 1.20
المنغنيز (Mn)0.60 – 0.90
الموليبدينوم (Mo)0.15 – 0.30
الفوسفور (P)0.0 – 0.025
السيليكون (Si)0.0 – 0.40
الكبريت (S)0.0 – 0.035
الحديد (Fe)توازن

تأثير التركيب الكيميائي على خصائص الفولاذ 42CrMo4

The mechanical performance of 42CrMo4 steel is characterized by its chemical composition which mainly contains chromium and molybdenum for yield strength and hardenability. Controlled carbon content provides balance for both the strength and the ductility, while manganese helps in developing the toughness. Silicon enables us to make grains more refined and is also helpful in oxidation resistance. The levels of phosphorus and sulfur are minimised so that nobody would face brittleness and problems with machinability. The optimal composition design that this steel exhibits guarantees it is usable in diverse settings hence the preference for it in sectors like automotive manufacturing and machine building.42crmo4 فولاذ 4

الخواص الميكانيكية للفولاذ 42CrMo4

القطر، د مم≤ 1616-4040-100100-160160-250
السمك، مم< 88-2020-6060-100100-160
قوة الخضوع، ميجا باسكال≥900≥750≥650≥550≥500
قوة الشد، ميجا باسكال1100-13001000-1200900-1100800-950750-900
الاستطالة، %≥10≥11≥12≥13≥14
Reduction of area,%≥40≥45≥50≥50≥55
تأثير≥30≥35≥35≥35≥35

الخصائص الفيزيائية للفولاذ 42CrMo4

الخصائص الفيزيائيةمتريإنجليزيتعليقات
كثافة7.80 جرام/سم مكعب0.282 رطل/بوصة مربعة
معامل المرونة210 جيجاباسكال20500 ك.س.
معامل القص80.0 جيجاباسكال11600 كيلو باسكال
نسبة بواسون0.30.3
الخصائص الكهربائية
المقاومة الكهربائية0.0000200 – 0.0000250 أوم-سمالفولاذ النموذجي
الخصائص الحرارية
السعة الحرارية النوعية0.460 – 0.490 J/g-°C0.110 – 0.115 BTU/lb-°F50.0 – 100 درجة مئوية/122 – 212 درجة فهرنهايت
الموصلية الحرارية40.0 – 45.0 W/m-K278 – 312 وحدة حرارية بريطانية/ساعة/قدم مربع-درجة فهرنهايتالفولاذ النموذجي

المواد المكافئة للفولاذ 42CrMo442crmo4 فولاذ 5

الاتحاد الأوروبيالعربية42 الكروموموليبدنوم
الولايات المتحدة الأمريكية

4140

4142

ألمانيادين، دبليو إن آر42 الكروموموليبدنوم
اليابانجيسإس سي إم 440 إتش
فرنساأفنور42CD4
انجلترابكالوريوس

708م40

سي اف اس 11

إيطالياجامعة42 الكروموموليبدنوم
إسبانياجامعة نيو إنجلاند

40كروم مولي

ف1252

الصينالمملكة المتحدة42 الكرومومو
السويداس اس2244
فنلندامدرسة FS42 الكروموموليبدنوم
روسياغوست

35 كيلو متر

38 كيلو متر

انترايزو42 الكروموموليبدنوم

التركيب الكيميائي لـ 42CrMo مقابل 4140 مقابل 42CrMo4(1.7225)

التركيب الكيميائي %
دولةمعياردرجة الفولاذ (رقم المادة)جسيمنصسكرشهر
الصينجي بي/تي 307742 الكرومومو0.38 إلى 0.450.17 إلى 0.370.50 إلى 0.80≤ 0.030≤ 0.0300.90 إلى 1.200.15 إلى 0.25
الولايات المتحدة الأمريكيةSAE، AISI؛
معايير ASTM A29/A29M
SAE 41400.38 إلى 0.430.15 إلى 0.350.75 إلى 1.00≤ 0.035≤ 0.0400.80 إلى 1.100.15 إلى 0.25
الاتحاد الأوروبيEN 10083-342CrMo4 (1.7225)0.38 إلى 0.45≤ 0.400.60 إلى 0.90≤ 0.025≤ 0.0350.90 إلى 1.200.15 إلى 0.30
الاتحاد الأوروبيEN 10083-342CrMoS4 (1.7227)0.38 إلى 0.45≤ 0.400.60 إلى 0.90≤ 0.0250,020 إلى 0,0400.90 إلى 1.200.15 إلى 0.30

طرق المعالجة المناسبة للصلب 42CrMo442crmo4 فولاذ 6

42CrMo4 steel can be machined, subjected to heat treatment, welded, forged, and given surface treatments to get the desirable properties. The machinability of a material allows techniques like drilling and milling to be mostly used. Heat treatment, such as quenching and tempering, is advantageously used to improve the mechanical properties. Welding requres care to avoid cracking. According to the heat, treating strengthens the steel’s microstructure and thus increases its strength and toughness. Shot blasting is a surface treatment that helps to avoid corrosion. Hence, these techniques offer great flexibility in producing components for various industries such as automotive, aerospace, machine, and construction businesses.

تطبيقات الفولاذ 42CrMo4(1.7225) 42crmo4 فولاذ 7

  1. السيارات:
  2. الفضاء:
  3. طبي:
  4. منتجات استهلاكية مخصصة:
  5. دراجة نارية:
  6. جَرَّار:
  7. دراجة:
  8. كارت:
جدول المحتويات

اكتشف المزيد مع منشورات مدونتنا.

المشاركات الاخيرة

عرض سعر فوري مجاني!

احصل على عرض الأسعار الآن!

انتقل إلى الأعلى