COLD FORMING MATERIALS

C20 GC 冷镦用钢丝 (CHQ)

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C20 GC 冷镦用钢丝 (CHQ)

直径: 0.40-46mm

拉伸强度: 参考技术信息

Product Detail Technical Information Inspection Packaging

上海创造集团是中国专注于冷轧优质钢丝的标杆企业，整个管理团队拥有20年的行业经验。我们与多家汽车行业一级供应商建立了良好的关系，所有钢丝均来自品牌钢厂。所有订单均100%可追溯。

Specification

+AR 或 +AR+PE

+AC 或 +AC+PE

+AR+C

+AR+C+AC

+AR+C+AC+LC

+AC+C

Specification

- : 连续且平滑

- : 无接缝、重叠、坑坑、划痕和拉拔划痕

- : 不应有锈迹

Specification

- : 汽车产业

- : 建筑业

- : 机械行业

- : 其他行业

Case Study

Products & Service

盘条

酸洗与磷化

冷拉拔

球化退火

检查

成品

1.交货条款组合

表A.1 -交货时热处理条件、产品形式和适用要求的组合

Delivery condition		Symbols	Product form a			Applicable requirements
Delivery condition		Symbols	Wire rod	Bar	Wire	Applicable requirements
Untreated (as hot-rolled)		+AR	X	X	-	Chemical composition as specified inTable A.2	Mechanical properties as specified inTable A.3	Supplementa- ry or special requirements as specified in Annex Eb
peeled Untreatd+	peeled	+AR+PE	X	X	-
	Cold drawn	+AR+C	-	X	X
	Cold drawn+ spheroidized	+AR+C+AC	-	X	X
	Cold drawn+ Spheroidized+skin passed	+AR+C+AC+LC	-	X	X
Annealed to achieve spheroidized carbides +	As treated or peeled	+AC or AC+PE	X	X	-
Annealed to achieve spheroidized carbides +	cold drawn	+AC+C	-	X	X
Other			Other delivery conditions may be agreed at the time of ordering
a X=applicable,—=not applicable b Ifagreed at the time of enquiry and order.

2.化学成分

表A.2-冷加工后不打算进行热处理的钢的化学成分（适用于铸造分析）

Steel name	%mass fraction a
Steel name	C	Si	Mn	P	S	Cr	Ni	Mo	Al b	Cu	Cr+Ni+Mo
Non-alloy steel grades
C2C	0,03	0,10	0,20 to 0,40d	0,020	0,025	0,30	0,30	0,10	0,020 to 0,060	0,30	0,50
C4C	0,02 to 0,06	0,10	0,25 to 0,40	0,020	0,025	0,30	0,30	0,10	0,020 to 0,060	0,30	0,50
C8C	0,06 to 0,10	0,10	0,25 to 0,45	0,020	0,025	0,30	0,30	0,10	0,020 to 0,060	0,30	0,50
C10C	0,08 to 0,12	0,10	0,30 to 0,50	0,025	0,025	0,30	0,30	0,10	0,020 to 0,060	0,30	0,50
C10GC	0,08 to 0,12	0,15 to 0,25c	0,30 to 0,50	0,025	0,025	0,30	0,30	0,10		0,30	0,50
C15C	0,13 to 0,17	0,10	0,35 to 0,60	0,025	0,025	0,30	0,30	0,10	0,020 to 0,060	0,30	0,50
C15GC	0,13 to 0,17	0,15 to 0,25c	0,35 to 0,60	0,025	0,025	0,30	0,30	0,10	c	0,30	0,50
C17C	0,15 to 0,19	0,10	0,65 to 0,85	0,025	0,025	0,30	0,30	0,10	0,020 to 0,060	0,30	0,50
C17GC	0,15 to 0,19	0,15 to 0,25c	0,65 to 0,85	0,025	0,025	0,30	0,30	0,10		0,30	0,50
C20C	0,18 to 0,22	0,10	0,70 to 0,90d	0,025	0,025	0,30	0,30	0,10	0,020 to 0,060	0,30	0,50
C20GC	0,18 to 0,22	0,15 to 0,25c	0,70 to 0,90d	0,025	0,025	0,30	0,30	0,10	c	0,30	0,50
C25C	0,23 to 0,27	0,10	0,80 to 1.00d	0,025	0,025	0,30	0,30	0,10	0,020 to 0,060	0,30	0,50
C25GC	0,23 to 0,27	0,15 to 0,25c	0,80 to 1,00d	0,025	0,025	0,30	0,30	0,10	—	0,30	0,50
Elements not quoted in this table should not be intentionally added to the steel without the agreement of the purchaser,except those intended for finishing the heat.All reasonable precautions shall be taken in order to prevent the addition of elements from scrap or other material used in the production process.However,residual elements may be present provided that they do not affect the mechanical properties and applicability a Maximum values unless otherwise indicated. b Aluminium may be replaced by another element or elements having a similar effect C Grade C10GC,C15GC,C17GC and C20GC can be delivered in two qualities:a)with an aluminium content of Al max.0,015 %,or b)without aluminium and a silicon content of 0,15 %to 0,25 %for hot dip zinc coating d For grades C2C,C20C,C20GC and C25C,a lower manganese content may be specified with a range of 0,20 %.