Stainless steel square tubes

不锈钢方管是一种中空的长条钢材，因为截面是正方形所以叫做方管。大量用作输送流体的管道，如石油、天燃气、水、煤气、蒸气等，另外，在搞弯、抗扭强度相同时，重量较轻，所以也广泛用于制造机械零件和工程结构

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	Silicon manganese for high qulity steel	是由锰、硅、铁及少量碳和其他元素组成的合金，是一种用途较广、产量较大的铁合金。其消耗量占电炉铁合金产品的第二位。硅锰合里的硅和与锰与氧的亲和力较强，在练钢中使用硅锰合金，产生的脱氧产物MnSiO3和MnSiO4熔分别是1270℃和1327℃，具有熔点低、颗粒大、容易上浮、脱氧效果好等优点。在相...
	电解铜	Copper Cathode Grade A Purity: purity 99.99%-99.97% min Weight per Sheet:125kg Copper Cathode , Cu≥99.95% copper cathode Grade A Cu 99.95- 99.9...
	光亮铜	Brass Sheet Alloy: C2600, C2700, C2800 Temper: Soft, half hard, hard Thickness: 0.2-60mm Width: max 2000mm Brass Sheet Alloy: H90, H70, H...
	high qulity calcium-silicon of different specification	Specifications Si and Ca can be controlled as needed. 2. Pulverization and deliquescence resistance. 3. Less impurities such as C, S, P, Al. Sil...
	75%硅铁合金	硅铁就是铁和硅组成的铁合金。 硅铁是以焦炭、钢屑、石英（或硅石）为原料，用电炉冶炼制成的铁硅合金。由于硅和氧很容易化合成二氧化硅，所以硅铁常用于炼钢时作脱氧剂，同时由于SiO2生成时放出大量的热，在脱氧的同时，对提高钢水温度也是有利的。同时，硅铁还可作为合金元素加入剂，广泛应用于低合金结构钢、...

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