Scope .............................

Scope ......................................................................................................................................................1
2 Normative references ............................................................................................................................2
3 Terms and definitions ...........................................................................................................................3
4 Symbols and abbreviated terms ..........................................................................................................4
5 Designation system for property classes ...........................................................................................5
6 Materials .................................................................................................................................................6
7 Mechanical and physical properties ....................................................................................................8
8 Applicability of test methods..............................................................................................................12
8.1 General..................................................................................................................................................12
8.2 Loadability of fasteners ......................................................................................................................12
8.3 Manufacturer's control ........................................................................................................................13
8.4 Supplier's control ................................................................................................................................13
8.5 Purchaser's control .............................................................................................................................13
8.6 Feasible tests for groups of fasteners and machined test pieces .................................................14
9 Test methods........................................................................................................................................21
9.1 Tensile test under wedge loading of finished bolts and screws (excluding studs) .....................21
9.2 Tensile test for finished bolts, screws and studs for determination of tensile strength, Rm ......25
9.3 Tensile test for full-size bolts, screws and studs for determination of elongation after
fracture, Af, and stress at 0,004 8 d non-proportional elongation, Rpf ............................................27
9.4 Tensile test for bolts and screws not expected to break in free threaded length due to
head design ..........................................................................................................................................31
9.5 Tensile test for fasteners with waisted shank ..................................................................................32
9.6 Proof load test for finished bolts, screws and studs .......................................................................33
9.7 Tensile test for machined test pieces................................................................................................35
9.8 Head soundness test...........................................................................................................................38
9.9 Hardness test .......................................................................................................................................39
9.10 Decarburization test ............................................................................................................................41
9.11 Carburization test ................................................................................................................................44
9.12 Retempering test..................................................................................................................................46
9.13 Torsional test .......................................................................................................................................46
9.14 Impact test for machined test pieces ................................................................................................47
9.15 Surface discontinuity inspection .......................................................................................................48
10 Marking .................................................................................................................................................48
10.1 General..................................................................................................................................................48
10.2 Manufacturer's identification mark ....................................................................................................48
10.3 Marking and designation of fasteners with full loadability .............................................................49
10.4 Marking and designation of fasteners which, because of their geometry, have reduced
loadability .............................................................................................................................................53
10.5 Marking of packages ...........................................................................................................................53
Annex A (informative) Relation between tensile strength and elongation after fracture ..........................54 Annex B (informative) Influence of elevated temperatures on mechanical properties of fasteners ........55 Annex C (informative) Elongation after fracture for full-size fasteners, Αf .................................................56 Bibliography ......................................................................................................................................................57

Kết quả (Việt) 1:

Scope ...................................................................................................................................................... 12 Normative references ............................................................................................................................ 23 Terms and definitions ........................................................................................................................... 34 Symbols and abbreviated terms .......................................................................................................... 45 hệ thống tên gọi cho các lớp học bất động sản... 56 Materials ................................................................................................................................................. 67 cơ khí và vật lý tài sản... 88 Applicability of test methods.............................................................................................................. 128.1 General.................................................................................................................................................. 128.2 Loadability of fasteners ...................................................................................................................... 128.3 Manufacturer's control ........................................................................................................................ 138.4 Supplier's control ................................................................................................................................ 138.5 Purchaser's control ............................................................................................................................. 138.6 xét nghiệm khả thi cho các nhóm dây khóa phec mơ và gia thử nghiệm phần... 149 Test methods........................................................................................................................................ 219.1 độ bền kéo thử nghiệm dưới nêm tải đã hoàn thành Bu lông và vít (trừ đinh tán)... 219.2 độ bền kéo thử nghiệm cho hoàn thành Bu lông, ốc vít và cột xác định bền, Rm... 259.3 các thử nghiệm độ bền kéo cho đầy đủ kích thước Bu lông, ốc vít và cột xác định kéo dài sau khigãy xương, Af, và căng thẳng tại kéo dài 0,004 phòng không tỷ lệ 8 d, Rpf... 279.4 các thử nghiệm độ bền kéo cho Bu lông và vít không được dự kiến để phá vỡ trong miễn phí luồng chiều dài dohead design .......................................................................................................................................... 319.5 độ bền kéo thử nghiệm cho các chốt gắn với waisted mũi... 329.6 bằng chứng tải các thử nghiệm cho hoàn thành Bu lông, ốc vít và đinh tán... 339.7 độ bền kéo thử nghiệm cho gia thử nghiệm phần... 359.8 Head soundness test........................................................................................................................... 389.9 Hardness test ....................................................................................................................................... 399.10 Decarburization test ............................................................................................................................ 419.11 Carburization test ................................................................................................................................ 449.12 Retempering test.................................................................................................................................. 469.13 Torsional test ....................................................................................................................................... 469,14 tác động các thử nghiệm cho gia thử nghiệm phần... 479,15 bề mặt gián đoạn kiểm tra... 4810 Marking .................................................................................................................................................4810.1 General..................................................................................................................................................4810.2 Manufacturer's identification mark ....................................................................................................4810.3 Marking and designation of fasteners with full loadability .............................................................4910.4 Marking and designation of fasteners which, because of their geometry, have reducedloadability .............................................................................................................................................5310.5 Marking of packages ...........................................................................................................................53Annex A (informative) Relation between tensile strength and elongation after fracture ..........................54 Annex B (informative) Influence of elevated temperatures on mechanical properties of fasteners ........55 Annex C (informative) Elongation after fracture for full-size fasteners, Αf .................................................56 Bibliography ......................................................................................................................................................57