4140 Keluli Aloi

jenama Shizhang Steel
asal produk China
Masa penghantaran 15-45 hari
kapasiti bekalan 500 Tan/Bulan

4140 keluli. Keluli ini mempunyai kebolehprosesan yang baik, ubah bentuk pemprosesan yang minimum, dan rintangan keletihan yang sangat baik. Keluli alat 4140 ialah keluli kebolehkerasan sederhana. Selepas rawatan haba, keluli alat 4140 mempunyai kekuatan yang baik dan sifat mekanikal komprehensif yang baik. Ia mempunyai kebolehprosesan yang baik dan kadar hasil yang baik. tinggi. Suhu operasi maksimum ialah 427 darjah Celsius. Keluli 4140 mempunyai kekuatan tinggi, kebolehkerasan, keliatan yang baik, ubah bentuk kecil semasa pelindapkejutan, dan kekuatan rayapan tinggi dan kekuatan tahan lama pada suhu tinggi. Syarikat kami adalah pembekal keluli alat。

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Product Name: ALLOY STEEL---4140

Similar steel grades:

U.S.A	4140
German	42CrMo4
Japan	JIS SCM440
Austria	-
Sweden	-
China	GB 42CrMo

Chemical composition:

Standard	C	Si	Mn	S	P	Cr	Mo
ASTM A29/A29M-05	0.38-0.43	0.15-0.35	0.75-1.00	≤0.040	≤0.035	0.80-1.10	0.15-0.25

Principal Feature:

4140 steel. This steel has good processability, minimal processing deformation, and very good fatigue resistance. 4140 tool steel is a medium-hardenability steel. After heat treatment, 4140 tool steel has good strength and good comprehensive mechanical properties. 4140 tool steel has good processability and good yield rate. High. The maximum operating temperature is 427 degrees Celsius. 4140 has high strength, hardenability, good toughness, small deformation during quenching, and high creep strength and durable strength at high temperatures.

Typical Application:

4140 steel is used to manufacture forgings that require higher strength and larger quenched and tempered cross-sections than 35CrMo steel, such as large gears for locomotive traction, supercharger transmission gears, rear axles, connecting rods and spring clips that are subject to extremely high loads, and also It can be used for deep oil well drill pipe joints and fishing tools below 2000m, and can be used for bending machine molds, etc.

Heat Treatment:

Annealing No.1 Annealing at 760±10℃, furnace cooling to 400℃ air cooling. HB220-230,

Normalizing No.4 Normalizing at 860±10℃, air cooling after coming out of the furnace.

Size available: