不锈钢叫白了就是白钢。
Stainless steel is called white steel.
因为不锈钢表面是白色的，所以才有些一说。其实是一回事。不锈钢的各类很多。
Because the surface of stainless steel is white, so there is something to say. It's the same thing. There are many kinds of stainless steel.
材质也多，如321 304  316  304L  316L等等。
There are also many materials, such as 321 304 316 304L 316L and so on.
法兰的压力等级也分很多种，不管是碳钢法兰，不锈钢法兰（白钢），压力是全一样的。
The pressure level of flange is also divided into many kinds, whether it is carbon steel flange, stainless jinan.89ix.comtaiyuan.89ix.comchangsha.89ix.comnanjing.89ix.comsteel flange (white steel), the pressure is the same.yinchuan.89ix.comzhengzhou.89ix.com
法兰分平焊法兰，对焊法兰，丝扣法兰，承插焊法兰。
Flange flange split flat welding flange, butt welding flange, thread flange, socket welding flange.
标准呢有国标，化标，机标，船标，美标，日标，德标等等吧。
Standards are national standard, chemical standard, machine standard, ship standard, American standard, Japanese standard, German standard and so on.
常用的有10KG  16kg 25KG  这里说的KG，就是你说的公斤。表示是样的1.6MPA
Commonly used is 10KG 16KG 25KG here said KG, is what you said the kilogram. 1.6 MPA
‘这就表示是16kg.
That means 16 kg.