38MnB5

 

38MnB5 is a low-alloy steel developed in Europe, with a chemical composition that includes a carbon (C) content of 0.36-0.40%, silicon (Si) content of 0.20-0.40%, manganese (Mn) content of 1.30-1.60%, boron (B) content of 0.0005-0.0040%, and phosphorus (P) and sulfur (S) content not exceeding 0.035%.

 

This type of steel has a tensile strength between 1200-1600 MPa, a yield strength between 900-1300 MPa, and a fracture elongation of ≥10%. These properties make 38MnB5 steel suitable for manufacturing high-strength mechanical parts and structural components.

 

The main use of 38MnB5 steel is in the manufacture of mechanical parts and structural components, such as truck suspension systems, trailer connectors, slim rods, blades, and gears, among others. This type of steel is also widely used in the manufacturing of agricultural machinery, construction machinery, and gas turbines.

 

38MnB5 steel is typically in a hot-rolled state and can be hardened and strengthened through heat treatment (quenching and tempering).

 

The advantages of 38MnB5 steel include its high strength, wear resistance, fatigue resistance, and good plasticity, among other characteristics. Furthermore, this alloy steel exhibits excellent corrosion resistance, making it suitable for use in harsh operating environments.

 

However, the disadvantages of 38MnB5 steel include its high brittleness due to the high boron content, which makes it prone to cracking during use. Additionally, the steel is prone to decarburization under high-temperature conditions.

 

Common forms of 38MnB5 steel include plates, bars, tubes, and wires, among others. The naming and classification of 38MnB5 steel may vary in different countries and regions worldwide. Specific designations by country are as follows: EN10083-3:2006 38MnB5 in Europe, 38MnB5 in China, GS-38MnB5 in Germany, and AISI 15B35H in the United States.

 

Overall, 38MnB5 steel is a low-alloy steel with high strength and wear resistance, making it suitable for manufacturing high-strength mechanical parts and structural components. Its performance is good, but care must be taken regarding issues such as high temperature and brittleness. The naming, classification, and designations of 38MnB5 steel may vary in different countries and regions, and selection should therefore take specific circumstances into account.

 

 

Article	Alloy constructional steel
Standard	AISI 、ASTM 、EN 、BS 、GB 、DIN 、JIS
Material	38Cr2、1.7003、46Cr2、1.7006、34Cr4、1.7033、34CrS4 、1.7037 、37Cr4 、1.7034 、37CrS4 、1.7038 、41Cr4 1.7035 ，41CrS4 、1.7039、25CrMo4 、1.7218、25CrMoS4、1.7213、34CrMo4、1.722、34CrMoS4 、1.7226、42CrMo4 、1.7225、42CrMoS4、1.7227、50CrMo4、1.7228、34CrNiMo6、1.6582、30CrNiMo8、1.658、 35NiCr6、1.5815、36NiCrMo3、1.6773、39NiCrMo3、1.651、30NiCrMo16-6、1.6747、51CrV4、1.8159、20MnB5 、1.553、30MnB5、1.5531、38MnB5、1.5532、27MnCrB5-2、1.7182、33MnCrB5-2、33MnCrB5-2、1.7185、39MnCrB5-2、1.7189 、 SCM440、SCr440、42C r M o 、35C r M o 、20C r N i M o 、SNCM220、SCM435、SCM430、8620、SNCM220、SCM415、8650、5150、4150、SCR415、SCR240、 SCR430、SCR435、40 Cr、45 Cr, 40C r N i M o、30C r M n S i A、35C r M n S i A、27S i M n, etc
Output to	Singapore, Indonesia, South Korea, Thailand, Vietnam, Saudi Arabia, Brazil, Spain, Canada, the United States, and Egypt, India, Kuwait, Dubai, Kuwait, Peru, Mexico, and Russia, Malaysia, etc.
Pack	Bundle packaging, export standard packaging or according to customer requirements
Delivery time	7-15 days or according to the order quantity or negotiation
Price clause	Price terms CIF, FOB, CFR.
Pay	Letter of credit, wire transfer, etc
Minimum order	One ton

 

 

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