宝山钢铁企业股份有限公司企业标准.doc

宝山钢铁企业股份有限公司企业标准
Enterprise Standard of Baoshan Iron & Steel Co., Ltd
冷徹钢盘条
The cold heading steel wire rod
Q/BQB 51st method for spark discharge atomic emission spectrometric analysis of carbon and low-Alloy steel (routine method)
GB/T 6394-2002金属平均晶粒度测定法
Metal-methods for estimating the average grain size
GB/T 6478-2001冷徹和冷挤压用钢
Steels for cold heading and cold extruding
GB/T 8170-2008数值修约规则与极限数值的表示和判定
Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 10561-2005钢中非金属夹杂物含量的测定标准评级图显微检验法
Steel?Determination of content of nonmetallic inclusions?Micrographic method using standards diagrams
GB/T 13298-1991金属显微组织检验方法
Metal —Inspection method of microstructure
GB/T 20066-2006钢和铁化学成分测定用试样的取样和制样方法
Steel and iron?Sampli ng and preparati on of samples for the determi nation of chemical compositi on
GB/T 20123-2006钢铁总碳硫含量的测定高频感应炉燃烧后红外吸收法(常规方法)
Steel and iron—Determi natio n of total carbon and sulfur con tent Infrared absorpti on method after combustion in an induction furnace (routine method)
GB/T 20125-2006低合金钢多元素含量的测定电感耦合等离子体原子发射光谱法
Low-alloy steel - Determination of multi-element con tents ・ Inductively coupled plasma atomic emission spectrometric method
GB/T 20126-2006非合金钢低碳含量的测定第2部分：感应炉(经预加热)内燃烧后红外 吸收法
Un alloyed steel 一 Determi nation of low carbon conte nt ■- Part 2: Infrared absorpti on method after combustion in an