GB - Chinese national standards

Hot-rolled steel sections for fabricated steel structure

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Practice for determining semiconductor wafer near-edge geometry—Part 1:Measured height data array using a curvature metricZDD

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Practice for determining semiconductor wafer near-edge geometry—Part 2: Roll-off amountROA

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Practice for determining semiconductor wafer near-edge geometry—Part 3:Sector area flatness(ESFQRESFQDESBIR

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Additive manufacturing—Material —Mould steel powders

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Metallic materials—Very high cycle fatigue—Ultrasonic fatigue test method

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Cast superalloy—Master alloy—Single crystal

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Seamless precision steel tubes for engineering machinery hydraulic cylinder

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Pig iron—Determination of multi-element contents— Spark discharge atomic emission spectrometric method (Routine method)

Available languages: English, Chinese

Available design: electronic design (pdf), Print design

Aviation jet engine lubricating oils

Available languages: English, Chinese

Available design: electronic design (pdf), Print design