ASTM A672 L70 LSAW pipeline carbon content of 0.27 or more, is an industrial commonly used steel materials, mainly for oil, natural gas, power plants, petrochemicals, construction and other urban construction pipe, yield strength and tensile strength good.
AISI 4130 alloy steel is widely used as a quenching and tempering steel. AISI 4130 round bars has excellent properties,and can be used in the temperature under 427℃.
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