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Chemical composition and comparison of fast cutting steel 12L14 and 12l15

发表时间:2019-12-09 09:39


12L14 and 1215 are both low-carbon fast cutting steels, which are conducive to automatic lathe turning. Their chemical composition is very close, and they are replaceable in physical properties. The biggest difference is:


1215 is an environment-friendly quick cutting steel conforming to RoHS.


The following is the chemical composition table of 12L14 and 1215:

材质牌号

元素名称及化学成份(%)



(C)

(Mn)

(Si)

(P)

(S)

(Ni)

(Mo)

(Cr)

(Pb)

(B)

12L14快削钢

≤0.15

0.85-1.15


0.04-0.09

0.26-0.35




0.15-0.35


1215快削钢

≤0.09

0.75-1.05


0.04-0.09

0.26-0.35






By comparison, we found that except for the difference in lead content, other chemicals are very close. The most important difference is that the lead content of 12L14 is 0.26%, while 1215 is lead-free.


Chemical composition of 10B21 boron steel

客户名称


订单(PO.NO)


出货日期


标准

BZJ550-2004

试材品名

10B21

试材规格

5.5

化学试验

CHEMICAL TESTING


仪器名称

瑞士ARLMA Cu直读光普仪



元素名称

碳(C

(Mn)

(Si)

(P)

(B)

硫(S


实测参数

0.2

0.79

0.02

0.025

0.13

0.03


备注:








机械试验

MECHANICAL TESTING













仪器名称

WD-50B电子式万能试验机







炉号






物理性质

抗拉强度(tesile rength)

延伸率(elongation)

硬度(hardness)

实际数值

46.8KGf/mm

14

HRB70



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