钢绞线、铝包钢绞线
Steel Stranded Wires (Aluminum Clad)

一、标准
本产品按GB1200-88、GB/T1179-1999标准生产。
Standards
These products meet the standard requirements of GB1200-88 or GB/T1179-1999.

二、名称、型号、适用范围
Designation, Type & Main Applications

名称  Designation	型号 Type		适用范围 Main Applications
	GB/T1200-88	GB/T1179-1999
钢绞线Steel Stranded Wires	GJ	—	适用于吊架、悬挂、通信电缆，架空电力线路及固定物件，拴系等用途。 Used for hanging, cradling, communication cable, overhead power line and fixing etc.
铝包钢绞线 Steel Stranded Wires Aluminum Clad	—	JG1A、JG2A、JG1B、JG2B

三、产品结构示意图
Products Structure Drawing


四、技术参数
钢绞线按公称抗拉强度分为：1176、1270、1370、1470和1570N/mm2五级。
钢绞线内钢丝锌层级别符合下表规定。锌层级别应在合同中注明，未注明时由供方决定。
钢绞线内钢丝的锌层重量应符合右表规定。
Technical Specifications
The Steel Stranded Wires are classified in five classes by the tensile strength, they are 1176, 1270, 1370, 1470 and 1570N/mm2.
The wires are furnished in three classes of coating in conformance with the requirements of table below.
The weight of zinc coat shall conform to the requirements prescribed in table right.

锌层级别 Zinc Coating Class	A	B	C
锌层厚度 thickness	特厚 Extra thick	厚 Thick	薄 Thin

 

 

钢丝直径(mm) Diameter of Coated Wire	锌层重量(g/m2)，不小于 Min. Zinc mass of Coating			缠绕试验芯杆直径为钢丝直径倍数 Ratio of Mandrel Diameter to Wire Diameter
	A	B	C
1.00	160	110	80	热镀锌时为12倍，电镀时为5倍。 Hot zinc-plating : 12 times; Electrical galvanizing: 5 times
1.20	160	110	80
1.40	160	130	90
1.60	180	130	90
1.80	180	160	110
2.00	200	160	110	热镀锌时为14倍，电镀时为5倍。 Hot zinc-plating : 14 times; Electrical galvanizing: 5 times
2.3	220	200	140
2.60	220	200	140
2.90	-	230	160
3.20	-	230	160
3.50	-	250	175
3.80	-	250	175
4.00	-	250	175

铝锌钢绞线(GJ)  GB1200-88
Galvanized Steel Stranded wires (GJ)