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不等角钢是长钢，其横截面例如字母L，其侧面彼此垂直且宽度可变。其规格以长边宽*短边宽*边厚的毫米表示， 例如“ L30 * 20 * 3”，表示长边宽30mm、短边宽20mm、不等边角钢，边厚3mm。也可以用模型（数字）表示， 其中模型表示为分数，分子是长边宽度的厘米数，分母是短边宽度的厘米数，例如“ L3/2＃”， 其中3是长边的厘米数2是短边的厘米数。不等角钢的范围为2.5/1.6＃-20/12.5＃。 角钢的化学成分属一般结构用轧制钢材系列，主要验证指标为C、Mn、P、S四项。根据牌号不同，含量各有差别， 大致范围为C<0.22%、Mn：0.30—0.65%、P<0.060%、S<0.060%角钢的规格用边长和边厚的尺寸表示。 目前国产角钢规格为2—20号，以边长的厘米数为号数，同一号角钢常有2—7种不同的边厚。 进口角钢标明两边的实际尺寸及边厚并注明相关标准。一般边长12.5cm以上的为大型角钢， 12.5cm—5cm之间的为中型角钢，边长5cm以下的为小型角钢。 Inle steel is long steel with cross section such as letter L, with sides perpendicular to each other and variable width. Its specifications are expressed as mm of long edge width * short side width * side thick, such as "L30 * 20 * 3", representing 30mm wide, short edge width 20mm, unequal edge steel, 3mm thick.It can also be represented as a model (number), where the model is represented as a fraction, the molecule is the number of centimeters of the long side width, the denominator is the number of centimeters of the short side width, for example, "L3 / 2 #", where 3 is the number of centimeters of the long side 2 is the number of centimeters of the short side. The range of unequal angle steel is 2.5/1.6#-20/12.5#. The chemical composition of corner steel is the rolled steel series for general structure, and the main verification indexes are C, Mn, P and S.According to the different grades, the content is different, the approximate range is C <0.22%, Mn: 0.30-0.65%, P <0.060%, S <0.060% corner steel specifications are indicated by the size of side length and side thickness.At present, the domestic Angle steel specification is 2-20, with the centimeter length of the side number, the same horn steel often 2-7 different side thickness. The inlet corner steel shall indicate the actual size and side thickness of both sides and indicate the relevant standards. Generally side length more than 12.5cm is large Angle steel, 12.5cm-5cm between medium Angle steel, side length less than 5cm is small Angle steel.
热轧角铁焊接冲孔切割
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不等边角钢打孔角钢
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