900MPa high-strength welding wire for mining machine and application method
A high-strength, welding wire technology, applied in welding media, welding equipment, welding equipment, etc., can solve the problem of high price, and achieve the effect of reducing price, reducing manufacturing cost, and reducing ductile-brittle transition temperature
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[0021] A 900MPa high-strength welding wire for mining machinery, its composition and mass percentage are as follows:
[0022]
[0023] In the following description in conjunction with specific embodiments, the balance is iron and unavoidable impurities.
[0024] 123456789 C0.0600.1100.1000.0620.0700.1050.0890.0900.080 Si0.600.900.700.800.650.760.850.780.85 Mn1.402.001.451.901.851.501.481.781.85 Ni1.402.001.701.001.801.901.561.791.85 Cr0.300.800.700.320.750.450.340.450.50 Mo0.100.400.350.280.240.270.380.150.20 Ti 0.160.090.0870.0860.110.090.150.080.09 S0.020.0100.0140.0050.0070.0090.0150.0120.017 P0.020.0100.0200.0080.0100.0130.0150.0070.004
[0025] The welding wire of the above-mentioned embodiment was welded under 80% Ar + 20% CO2 argon-rich gas shielding and tested.
[0026] Table 2 Mechanical properties of welding wire deposited metal in each example
[0027]
[0028] The above are only the preferred embodiments of the application, so that those skilled in the art can u...
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