DIN 30CrNiMo8 Round Steel

 

30CrNiMo8 steel is an alloy structural steel that conforms to the European standard EN 10083-3.

 

Specific chemical composition:

The chemical composition of 30CrNiMo8 steel is: Carbon (C) 0.26-0.34%, Silicon (Si) maximum 0.40%, Manganese (Mn) 0.50-0.80%, Phosphorus (P) and Sulfur (S) not exceeding 0.035% each, Chromium (Cr) 2.50-3.50%, Nickel (Ni) 1.30-1.70%, Molybdenum (Mo) 0.20-0.30%.

 

Tensile strength:

The tensile strength of 30CrNiMo8 steel is 1000 to 1400 megapascals (MPa).

 

Yield strength:

In the heat-treated state, the yield strength of 30CrNiMo8 steel is usually 800 to 1250 MPa.

 

Elongation at break:

The elongation at break of 30CrNiMo8 steel is around 10%.

 

Application:

30CrNiMo8 steel is widely used in the manufacture of various high-load components, such as gears, shafts, crankshafts and bearings.

 

State:

The states of 30CrNiMo8 steel that can be supplied include forging (+QT), quenching and tempering (+QT).

 

Advantages:

30CrNiMo8 steel has high strength, toughness, and wear resistance, and can maintain good mechanical properties at high temperatures.

 

Disadvantages:

The cost of 30CrNiMo8 steel is high, and it is also difficult to process and weld.

 

Most common form:

The most common forms of 30CrNiMo8 steel include round steel, flat steel, square steel, and plate.

 

Comparison of national grades:

International grades that are equivalent to 30CrNiMo8 steel include AISI 4340 (USA), BS 823M30 (UK), DIN 1.6580 (Germany), and JIS SNCM447 (Japan).

 

Summary:

30CrNiMo8 steel is an alloy structural steel used to manufacture high-load and high-strength mechanical components, with high strength, toughness, and wear resistance. However, it has a high cost and is also difficult to process and weld. The most common forms include round steel, flat steel, square steel, and plate. Equivalent international grades to 30CrNiMo8 steel include AISI 4340 (USA), BS 823M30 (UK), DIN 1.6580 (Germany), and JIS SNCM447 (Japan).

 

 

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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