ng>產品用途:ng>
主要用於高精密彈簧、電池彈簧、電子產品、天線彈簧、機器機表、電器、鐘表、等各種精密零件。
ng>Applications:ng>
The main for the high precision springs,battery springs,electronic devices,antenna springs,instruments,electrical appliances,clocks / timepieces,all other precision parts.

ng>表麵顏色:ng>
(鍍鎳碳鋼NI-SWC)光麵
(優質碳鋼線)原色
ng>Appearances:ng>
(Nickel pre-plated carbon steel NI-SWC)Bright
(High quality carbon steel wire)Natural.

ng>特殊開發鍍鎳工藝鍍鎳碳鋼線特點:ng>
有效減小電阻值，延長電池使用時間，極佳抗腐蝕性，焊錫性能更好更快，卷繞性能佳，穩定性更好，彈性均勻適用於各類精密彈簧，彈性均勻適用於各類精密彈簧，光澤美觀！
ng>Innovative process of nickel plating for nickel pre-plated carbon steel wire characteristics:ng>
Reduce electrical resistance, extend battery operation time,excellent corrosion resistance,more faster and excellent solderability,better coiling performance, better stability,uniform elasticity is advantage for various types of springs,bright finish provides better appearance!

※ 化學成份(單位:%) Chemical composition (unit:%)

線材名稱	C	Si	Mn	P	S	鋼 種
G3521 SWC	0.69-0.86	0.15-0.35	0.3-0.9	≦0.030	≦0.030	SWRH72~82A/B

※ 標準尺寸和性能參數 Standard dimension and performance parameters

線徑 Diameter	尺寸公差 Size tolerance	抗拉強度 Tensile strength	鹽務試驗 Salt test	焊接性能 Welding performance	鍍層厚度 Coating thickness
(mm)	(mm)	(N/mm2)
0.30	+0.015	2300-2600	>48hr	<2Sec	2-4μ
0.35	+0.015	2300-2600	>48hr	<2Sec	2-4μ
0.40	+0.015	2260-2550	>48hr	<2Sec	2-4μ
0.45	+0.015	2210-2500	>48hr	<2Sec	2-4μ
0.50	+0.015	2210-2500	>48hr	<2Sec	2-4μ
0.55	+0.020	2160-2450	>48hr	<2Sec	2-4μ
0.60	+0.020	2110-2400	>48hr	<2Sec	2-4μ
0.65	+0.020	2110-2400	>48hr	<2Sec	2-4μ
0.70	+0.020	2060-2350	>48hr	<2Sec	2-4μ
0.80	+0.020	2010-2300	>48hr	<2Sec	2-4μ
0.90	+0.020	2010-2260	>48hr	<2Sec	2-4μ
1.00	+0.020	1960-2210	>48hr	<2Sec	2-4μ
1.20	+0.030	1910-2160	>48hr	<2Sec	2-4μ
1.40	+0.030	1860-2110	>48hr	<2Sec	2-4μ
1.60	+0.030	1810-2060	>48hr	<2Sec	2-4μ