Specificatii Si Proprietati
Specificatii Si Proprietati
Specificatii Si Proprietati
High-density 3100-4500 10-150 60 -65 Good Attcked by some Good Good Unaffected
Limited
Crazes if
- - -
Polyethylene below 80°C unprotected
Standard PVC 700-2000 700-2000 50 -35 Limited Limited Limited Limited Poor Limited Good - - -
Unaffected below
Polypropylene 3900-5000 50-600 110 -25 Good Poor Good Good 80°C
Poor Poor - - -
PA6,6 plyamide 7600 50-300 120 -80 Poor Poor Poor Poor
Attacked by Attacked by Discolours
- - -
(Nylon) 66 some some slightly
PA6 plyamide 5800 50-250 100 -70 Poor Poor Poor Poor Attacked by Attacked by Discolours
- - -
(Nylon) 6 some some slightly
Attacked by Attacked by
Polystyrene 3000-7000 1-60 65 -20 Good
oxidising acids
Good Good Soluble in some some
Some attack - - -
Attacked by Attacked by
Thermoplastic Rubber 980-1100 980-1100 135 -40 Excellent Good Excellent Good some some
Good - - -
Silicone Rubber 8,5 Mpa 230 200 -60 Poor Poor Fair Fair Poor Attacked Good - - -
Flexible PVC 2971 300% min 66 -29 Good Poor Good Poor Poor Poor Fair 76-80 7442 35023
POM-Polyacetal 8800 50-70 80 -40 Poor Poor Good Good Soluble in some Good Fair - - -
EPDM 17,6-21 (Mpa) 500-800 121 -37,2 Good Good Fair Fair Attcked by some Poor Good - - -
High-Temp PVC 16MNm-2 225-275 200 -25 Good Good Good Fair Poor Poor Fair 83-93 7442 31521
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
notes
notes
notes
notes
notes
notes
notes
notes
notes
notes
23C
23C
23C
23C
23C
23C
23C
23C
23C
23C
Acetic acid Sol. 10 40 Q V Sol. 20 Ethyl chloride 100 Q Q
Caustic soda 10% Sol.5,10 Q Sol.5,10 Q Sol.5,10 Q Sol. 10 Q Magnesium chloride Sol. 10 Q Sol. Sat. Q Sol. Q Upto60°C Q Q
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
conc.%
notes
notes
notes
notes
notes
notes
notes
notes
notes
notes
23C
23C
23C
23C
23C
23C
23C
23C
23C
23C
Oil Q Q Q Q Q Unleaded petrol Q Swell. Swell. Q
Steam Q Q Q
Tetralin Q
Toluol/toluene Q Q
Trichloroethylene
Freon 1 B B Turpentine A A
N/A = Information not available Hydrogen Gas N/A N/A Zinc Chloride B C
APPENDICES THREE
TECHNICAL
Austenitic Stainless Steel Fasteners
Stainless steel fasteners are specified in BS EN ISO 3506.
Chemical Compositions
The chemical compositions of austenitic stainless steel
fasteners with the designations A1, A2 & A4 are shown in
table 1.
A1 0.12 1 6.5 0.15-0.35 0.20 16-19 0.7 5-10 1.75-2.25 303, 1.4305
304,349S17
A2 0.1 1 2 0.03 0.05 15-20 - 8-19 4 (BS3111)
1.4567
316,396S17
A4 0.08 1 2 0.03 0.045 16-18.5 2-3 10-15 1
(BS3111)
Mechanical Properties
Table 2 - Mechanical Properties for A1, A2 and A4 Austenitic
Stainless Steel Bolts, Screws, Studs and Nuts
50
Annealed
<M39 500 210 0.6d 500
Notes
70
<M24 700 450 0.4d 700 The most common & readily available supply
Cold Drawn condition is property class 70, which represents
80
<M24 800 600 0.3d 800 a “cold drawn” for the bar stock from which the
Hard Cold Drawn fasteners are made.
To convert from: To: Substitute in Formula: To obtain: Grams per Kilograms per Pounds per Cubic Pounds per Cubic
Multiply Millilitre Cubic Metre Foot Inch
Degrees Celcius Degrees Fahrenheit (°C x 9/ 5) +32
Grams per Millimetre 1 1000 62,43 0,03613
Degrees Celcius Kelvin (°C + 273,16)
Kilograms per
0,001000 1 0,06243 0,00003613
Cubic Metre
Degrees Fahrenheit Degrees Celcius (°F-32) x 5/ 9
Kilograms per
Degrees Fahrenheit Degrees Rankin (°F + 459,69) 0,01602 16,02 1 0,0005787
Cubic Foot
Kilogram Force Metres 9,807 1 7,233 86,80 Metres 1 39,37 3,2808 1000 0,0006214 0,001
Foot Pounds 1,356 0,1383 1 12,00 Inches 0,0254 1 0,0833 25,4 0,00001578 0,0000254
Inch Pounds 0,1130 0,01152 0,08333 1 Feet 0,3048 12 1 304,8 0,0001894 0,0003048
APPENDICES FIVE
TECHNICAL
ISO Metric Fine Threads (mm) ISO Metric Coarse Threads (mm)
O. DIA. Core (d1) Pitch (P) Depth Flat Effec. (d2) Tapp’g Drill Clearance O. DIA. (D) Core (d1) Pitch (P) Depth Flat Effec. (d2) Tapp’g Drill Clearance Drill
(D) Drill
8 6,773 1,00 0,6134 0,125 7,35 7,00 9,00 1,6 1,1706 0,35 0,2147 0,04375 1,373 1,25 1,65
10 8,467 1,25 0,7668 0,156 9,18 8,75 11,00 1,8 1,3706 0,35 0,2147 0,04375 1,573 1,45 1,85
12 10,467 1,25 0,7668 0,156 11,18 10,75 13,5 2 1,5092 0,40 0,2454 0,05000 1,740 1,60 2,05
16 14,160 1,50 0,920 0,187 15,025 14,50 17,5 2,2 1,6480 0,45 0,2760 0,05625 1,908 1,75 2,25
20 18,160 1,50 0,920 0,187 19,025 18,50 21,5 2,5 1,9480 0,45 0,2760 0,05625 2,208 2,05 2,60
24 21,546 2,00 1,226 0,250 22,70 22,00 25,5 3 2,3866 0,50 0,3067 0,06250 2,675 2,50 3,10
30 27,546 2,00 1,226 0,250 28,70 28,00 31,5 3,5 2,7638 0,60 0,3681 0,07500 3,110 2,90 3,60
36 32,319 3,00 1,841 0,375 34,05 32,75 38,0 4 3,1412 0,70 0,4294 0,08750 3,545 3,30 4,10
42 38,265 3,00 1,841 0,375 40,05 38,75 44,0 4,5 3,5798 0,75 0,4601 0,09375 4,013 3,80 4,60
48 44,28 3,00 1,841 0,375 46,05 44,75 51,0 5 4,0184 0,80 0,4908 0,10000 4,480 4,20 5,10
56 51,093 4,00 2,455 0,500 53,40 51,75 59,0 6 4,7732 1,00 0,6134 0,12500 5,350 5,00 6,10
64 59,065 4,00 2,455 0,500 61,40 59,75 67,00 7 5,7732 1,00 0,6134 0,12500 6,350 6,00 7,20
8 6,4664 1,25 0,7668 0,15625 7,188 6,80 8,20
10 8,1596 1,50 0,9202 0,18750 9,026 8,50 10,20
12 9,8530 1,75 1,0735 0,21875 10,863 10,20 12,20
14 11,5462 2,00 1,2269 0,25000 12,701 12,00 14,25
16 13,5462 2,00 1,2269 0,25000 14,701 14,00 16,25
18 14,9328 2,50 1,5336 0,31250 16,376 15,50 18,25
20 16,9328 2,50 1,5336 0,31250 18,376 17,50 20,25
22 18,9328 2,50 1,5336 0,31250 20,376 19,50 22,25
24 20,3194 3,00 1,8403 0,37500 22,051 21,00 24,25
27 23,3194 3,00 1,8403 0,37500 25,051 24,00 27,25
30 25,7060 3,50 2,1470 0,43750 27,727 26,50 30,50
33 28,7060 3,50 2,1470 0,43750 30,727 29,50 33,50
36 31,0924 4,00 2,4538 0,50000 33,402 32,00 36,50
39 34,0924 4,00 2,4538 0,50000 36,402 35,00 39,50
42 36,4790 4,50 2,7605 0,56250 39,077 37,50 42,50
45 39,4790 4,50 2,7605 0,56250 42,077 40,50 45,50
48 41,8646 5,00 3,0672 0,62500 44,752 43,00 48,75
52 45,8646 5,00 3,0672 0,62500 48,752 47,00 52,75
56 49,2522 5,50 3,3739 0,68750 52,428 50,50 56,75
60 53,2522 5,50 3,3739 0,68750 56,428 54,50 60,75
64 56,6388 6,00 3,6806 0,75000 60,103 58,00 64,75
68 60,6388 6,00 3,6806 0,75000 64,103 62,00 68,75