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冷拉型钢根据所用材质的不同的有哪些分类
冷拉型钢也称冷拉异型钢根据所用材质的不同分为：
Cold-drawn profiled steel, also known as cold-drawn profiled steel, can be divided into:
（1）矿用冷拉型钢
(1) Mining cold-drawn section steel
A、垫板型钢：用于矿山机械，用45#钢作材质，由上海冷拉型钢厂等生产。
A. Cushion Plate Profile Steel: Used in mining machinery, 45 # steel is used as material, produced by Shanghai Cold Drawn Profile Steel Plant, etc.
B、棘轮爪型钢：用作凿岩机零件，用20Cr号钢作材质，由上海冷拉型钢厂等生产。
B. Ratchet claw section steel: It is used as part of rock drill and 20Cr steel is used as material. It is produced by Shanghai Cold Drawn Section Steel Works and so on.
C、链带头型钢：用作采矿机械零件，用35CrMo号钢作材质，由上海冷拉型钢厂等生产。
C. Chain Lead Section Steel: Used as mining machinery parts, 35CrMo steel as material, produced by Shanghai Cold Drawn Section Steel Works, etc.
（2）汽车用冷拉型钢
(2) Cold-drawn profiles for automobiles
A、撑牙型钢：用于汽车扳手棘轮柄撑牙。
A. Supporting teeth section steel: used for bracing teeth of ratchet handle of automobile wrench.
B、半圆型钢：用于汽车及汽轮机制造，用45#、45B、1Cr13号钢作材质，由上海冷拉型钢厂等生产。
B. Semi-circular steel: Used in automobile and steam turbine manufacturing. Made of 45, 45B and 1Cr13 steel, it is produced by Shanghai Cold Drawn Profile Steel Factory.
C、销轴型钢：用于汽车销轴，用45#钢作材质，由上海冷拉型钢厂生产。
C. Pin Shaft Profile Steel: Used for automobile pin shaft, 45 # steel is used as material, which is produced by Shanghai Cold Drawn Profile Steel Factory.
D、凸轮型钢：用于汽车销轴和汽车发动机零件，用45号钢和20Cr号钢作材质，由上海冷弯型钢厂生产。
D. Cam Profile Steel: Used for automotive pins and engine parts. Made of 45 and 20Cr steel, it is produced by Shanghai Cold Bending Profile Steel Works.
（3）轻纺机电用冷拉型钢
(3) Cold-drawn section steel for textile machinery
A、送布牙型钢：用于缝纫机制造。
A. Feeding profile steel: Used for sewing machine manufacturing.
B、链条节型钢：用于缝纫机制造。
B. Chain section steel: used for sewing machine manufacturing.
C、圆角扁钢：用于缝纫机、汽车、汽枪和机器制造等。
C. Round angle flat steel: used for sewing machine, automobile, steam gun and machine manufacturing, etc.
D、刀箱口扁钢、闸刀型钢、椭圆形钢和方钩型钢：用于纺织机制造。
D. Flat steel of knife box mouth, brake knife section steel, elliptical steel and square hook section steel: used for textile machine manufacturing.
E、梯形型钢：用于纺织、建筑和机械制造等。
E, trapezoidal section steel: used in textile, construction and mechanical manufacturing.
F、半圆型钢：用于纺织、电器、汽车配件等。
F, semi-circular steel: used in textiles, electrical appliances, automotive accessories, etc.
G、齿条型钢：用于纺织机械。
G, rack section steel: used in textile machinery.
H、细纱下销和粗纱下销型钢：分别用于细纱机零件和纺机欠伸下销。
H, spinning down pin and roving down pin section steel: used for spinning machine parts and spinning machine under-stretch down pin, respectively.
I、电梯导轨型钢：用于电梯制造。
I. Elevator Guide Profile Steel: Used in Elevator Manufacturing.
Cold-drawn profiled steel, also known as cold-drawn profiled steel, can be divided into:
（1）矿用冷拉型钢
(1) Mining cold-drawn section steel
A、垫板型钢：用于矿山机械，用45#钢作材质，由上海冷拉型钢厂等生产。
A. Cushion Plate Profile Steel: Used in mining machinery, 45 # steel is used as material, produced by Shanghai Cold Drawn Profile Steel Plant, etc.
B、棘轮爪型钢：用作凿岩机零件，用20Cr号钢作材质，由上海冷拉型钢厂等生产。
B. Ratchet claw section steel: It is used as part of rock drill and 20Cr steel is used as material. It is produced by Shanghai Cold Drawn Section Steel Works and so on.
C、链带头型钢：用作采矿机械零件，用35CrMo号钢作材质，由上海冷拉型钢厂等生产。
C. Chain Lead Section Steel: Used as mining machinery parts, 35CrMo steel as material, produced by Shanghai Cold Drawn Section Steel Works, etc.
（2）汽车用冷拉型钢
(2) Cold-drawn profiles for automobiles
A、撑牙型钢：用于汽车扳手棘轮柄撑牙。
A. Supporting teeth section steel: used for bracing teeth of ratchet handle of automobile wrench.
B、半圆型钢：用于汽车及汽轮机制造，用45#、45B、1Cr13号钢作材质，由上海冷拉型钢厂等生产。
B. Semi-circular steel: Used in automobile and steam turbine manufacturing. Made of 45, 45B and 1Cr13 steel, it is produced by Shanghai Cold Drawn Profile Steel Factory.
C、销轴型钢：用于汽车销轴，用45#钢作材质，由上海冷拉型钢厂生产。
C. Pin Shaft Profile Steel: Used for automobile pin shaft, 45 # steel is used as material, which is produced by Shanghai Cold Drawn Profile Steel Factory.
D、凸轮型钢：用于汽车销轴和汽车发动机零件，用45号钢和20Cr号钢作材质，由上海冷弯型钢厂生产。
D. Cam Profile Steel: Used for automotive pins and engine parts. Made of 45 and 20Cr steel, it is produced by Shanghai Cold Bending Profile Steel Works.
（3）轻纺机电用冷拉型钢
(3) Cold-drawn section steel for textile machinery
A、送布牙型钢：用于缝纫机制造。
A. Feeding profile steel: Used for sewing machine manufacturing.
B、链条节型钢：用于缝纫机制造。
B. Chain section steel: used for sewing machine manufacturing.
C、圆角扁钢：用于缝纫机、汽车、汽枪和机器制造等。
C. Round angle flat steel: used for sewing machine, automobile, steam gun and machine manufacturing, etc.
D、刀箱口扁钢、闸刀型钢、椭圆形钢和方钩型钢：用于纺织机制造。
D. Flat steel of knife box mouth, brake knife section steel, elliptical steel and square hook section steel: used for textile machine manufacturing.
E、梯形型钢：用于纺织、建筑和机械制造等。
E, trapezoidal section steel: used in textile, construction and mechanical manufacturing.
F、半圆型钢：用于纺织、电器、汽车配件等。
F, semi-circular steel: used in textiles, electrical appliances, automotive accessories, etc.
G、齿条型钢：用于纺织机械。
G, rack section steel: used in textile machinery.
H、细纱下销和粗纱下销型钢：分别用于细纱机零件和纺机欠伸下销。
H, spinning down pin and roving down pin section steel: used for spinning machine parts and spinning machine under-stretch down pin, respectively.
I、电梯导轨型钢：用于电梯制造。
I. Elevator Guide Profile Steel: Used in Elevator Manufacturing.
