Standard No.:	MT 313-1992
English Name:	Technical specification of hydraulic support column
Chinese Name:	液压支架立柱技术条件
Chinese Classification:	D97    Mine support equipment
Professional Classification:	MT    Professional Standard - Coal
Source Content Issued by:	NEA
Issued on:	1992-12-15
Implemented on:	1993-7-1
Status:	valid
Superseding:	MT 95-1984
Target Language:	English
File Format:	PDF
Word Count:	5000 words
Translation Price(USD):	120.0
Delivery:	via email in 1 business day

1 Subject Content and Application Scope This standard specifies the technical requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of hydraulic support column. This standard is applicable to mining hydraulic support column with emulsion as the medium (hereinafter referred to as the "column"). 2 Normative References GB 197 General Purpose Screw Threads - Tolerances and Fits for Diameter from 1 to 355mm GB 1184 Geometrical Tolerancing - Geometrical Tolerances for Features without Individual Tolerance Indications GB 1804 General Tolerances - Tolerances for Linear and Angular Dimensions without Individual Tolerance Indications GB 2649 Methods of Sampling for Mechanical Properties Tests of Welded Joint GB 2650 Impact Test Methods on Welded Joints GB 2651 Tensile Test Method on Welded Joints GB 2652 Tensile Test Methods on Weld and Deposited Metal GB 2653 Methods of Bend and Compression Tests for Welded Joint GB 3452.1 Fluid Systems - Sealing Devices - O-rings - Inside Diameters, Cross-sections, Tolerances and Size Identification Code GB 3452.3 Fluid Systems - O-rings - Design Criteria for O-Ring Housing-Basic Calculation GB 11352 Carbon Steel Castings for General Engineering Purpose GB 13306 Plates JB/ZQ 4000.3 General Specifications for Welding Parts JB 3338 Cylindrical Helical Compression Springs for Hydraulic Parts - Technical Conditions MT 76 Emulsifying Oil Concentrate and High-water Content Hydraulic Fluid Used for Powered Support and Prop 3 Technical Requirements 3.1 General technical requirements

1 Subject Content and Application Scope 2 Normative References 3 Technical Requirements 4 Test Methods and Property Requirements 5 Inspection Rules 6 Marking, Packing, Transportation and Storage Appendix A (Supplement) Technical requirements for Plating of Column Parts Additional Explanation