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ГОСТ 2.309-73*

ЕСКД. Обозначения шероховатости поверхностей

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<body lang=RU link=blue vlink=purple style='tab-interval:36.0pt;text-justify-trim:
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<div class=Section1>

<p class=MsoNormal align=right style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:right'><b style='mso-bidi-font-weight:
normal'><span style='font-size:12.0pt'>ÃÎÑÒ 2.309-73</span></b></p>

<div style='border:none;border-bottom:solid windowtext 2.25pt;padding:0cm 0cm 1.0pt 0cm'>

<p class=FR3 align=center style='margin-top:6.0pt;margin-right:0cm;margin-bottom:
6.0pt;margin-left:0cm;text-align:center;border:none;
padding:0cm;'><b style='mso-bidi-font-weight:
normal'><span style='font-size:12.0pt;font-family:
"Times New Roman";letter-spacing:7.5pt'>ÌÅÆÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ
ÑÒÀÍÄÀÐÒ</span></b></p>

</div>

<p class=FR2 align=center style='margin-top:6.0pt;margin-right:0cm;margin-bottom:
6.0pt;margin-left:0cm;text-align:center'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt;font-family:"Times New Roman";
mso-bidi-font-family:Arial'>ÅÄÈÍÀß ÑÈÑÒÅÌÀ ÊÎÍÑÒÐÓÊÒÎÐÑÊÎÉ ÄÎÊÓÌÅÍÒÀÖÈÈ</span></b></p>

<p class=FR1 align=center style='margin-top:6.0pt;margin-right:0cm;margin-bottom:
6.0pt;margin-left:0cm;text-align:center'><b><span style='font-size:14.0pt;
mso-bidi-font-size:20.0pt'>ÎÁÎÇÍÀ×ÅÍÈß ØÅÐÎÕÎÂÀÒÎÑÒÈ <br>
ÏÎÂÅÐÕÍÎÑÒÅÉ</span></b></p>

<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center'><b style='mso-bidi-font-weight:
normal'><span style='font-size:12.0pt'>ÈÏÊ
ÈÇÄÀÒÅËÜÑÒÂÎ ÑÒÀÍÄÀÐÒÎÂ <br>
<span style='letter-spacing:2.0pt'>Ìîñêâà</span></span></b></p>

<p class=FR3 align=center style='margin-top:6.0pt;text-align:center'><b
style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt;font-family:"Times New Roman";
letter-spacing:8.0pt'>ÌÅÆÃÎÑÓÄÀÐÑÒÂÅÍÍÛÉ ÑÒÀÍÄÀÐÒ</span></b></p>

<div align=center>

<table border=1 cellspacing=0 cellpadding=0 width="100%" style='width:100.0%;
border-collapse:collapse;border:none;
'>
<tr>
<td width="73%" style='width:73.62%;border-top:solid windowtext 2.25pt;
border-left:none;border-bottom:solid windowtext 1.5pt;border-right:none;
padding:0cm 1.4pt 0cm 1.4pt'>
<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center'><a name=T0000001><b
style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>Åäèíàÿ ñèñòåìà êîíñòðóêòîðñêîé äîêóìåíòàöèè</span></b></a></p>
<p class=MsoNormal align=center style='text-align:center'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>ÎÁÎÇÍÀ×ÅÍÈß ØÅÐÎÕÎÂÀÒÎÑÒÈ ÏÎÂÅÐÕÍÎÑÒÅÉ</span></b></p>
<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center'><span style='font-size:12.0pt;
mso-bidi-font-size:10.0pt'>Unified system for design
documentation. <br>
Designations of surface finish</span></p>
</td>

<td width="26%" style='width:26.38%;border-top:solid windowtext 2.25pt;
border-left:none;border-bottom:solid windowtext 1.5pt;border-right:none;
padding:0cm 1.4pt 0cm 1.4pt'>
<p class=FR2 align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center'><b style='mso-bidi-font-weight:normal'><span style='font-size:14.0pt;font-family:"Times New Roman";
mso-bidi-font-family:Arial'>ÃÎÑÒ <br>
2.309-73*</span></b></p>
<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center'><b style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>Âçàìåí <br>
ÃÎÑÒ</span></b><span style='font-size:12.0pt'> <b style='mso-bidi-font-weight:
normal'>2.309-68</b></span></p>
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<p class=MsoNormal style='margin-top:6.0pt;text-align:justify'><b
style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>Ïîñòàíîâëåíèåì Ãîñóäàðñòâåííîãî êîìèòåòà ñòàíäàðòîâ Ñîâåòà Ìèíèñòðîâ ÑÑÑÐ
îò 9 íîÿáðÿ 1973 ã. ¹ 2604 ñðîê ââåäåíèÿ óñòàíîâëåí</span></b></p>

<p class=MsoNormal align=right style='margin-bottom:6.0pt;text-align:right'><b
style='mso-bidi-font-weight:normal'><u><span style='font-size:12.0pt;
mso-bidi-font-size:10.0pt'>ñ 01.01.75</span></u></b></p>

<p class=MsoNormal align=center style='margin-bottom:6.0pt;text-align:center;
'><i>* Èçäàíèå (àïðåëü 2000 ã.) ñ Èçìåíåíèÿìè ¹ 1,
2, óòâåðæäåííûìè â èþíå 1980 ã., àâãóñòå 1984 ã. <br>
(ÈÓÑ 11-80, 12-84)</i></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt'>Íàñòîÿùèé ñòàíäàðò
óñòàíàâëèâàåò îáîçíà÷åíèÿ øåðîõîâàòîñòè ïîâåðõíîñòåé è ïðàâèëà íàíåñåíèÿ èõ íà
÷åðòåæàõ èçäåëèé âñåõ îòðàñëåé ïðîìûøëåííîñòè.</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt'>Ñòàíäàðò ïîëíîñòüþ
ñîîòâåòñòâóåò ñòàíäàðòó ÈÑÎ 1302.</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><b
style='mso-bidi-font-weight:normal'><span style='font-size:12.0pt'>(Èçìåíåííàÿ ðåäàêöèÿ, Èçì. ¹ 1, 3).</span></b></p>

<h1><a name=P0000001>1. ÎÁÎÇÍÀ×ÅÍÈÅ ØÅÐÎÕÎÂÀÒÎÑÒÈ ÏÎÂÅÐÕÍÎÑÒÅÉ</a></h1>

<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><a
name=P0000002><span style='font-size:12.0pt'>1.1. Øåðîõîâàòîñòü
ïîâåðõíîñòåé îáîçíà÷àþò íà ÷åðòåæå äëÿ âñåõ âûïîëíÿåìûõ ïî äàííîìó ÷åðòåæó
ïîâåðõíîñòåé èçäåëèÿ, íåçàâèñèìî îò ìåòîäîâ èõ îáðàçîâàíèÿ, êðîìå ïîâåðõíîñòåé,
øåðîõîâàòîñòü êîòîðûõ íå îáóñëîâëåíà òðåáîâàíèÿìè êîíñòðóêöèè.</span></a></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><a
name=P0000003><span style='font-size:12.0pt'>1.2.
Ñòðóêòóðà îáîçíà÷åíèÿ øåðîõîâàòîñòè ïîâåðõíîñòè ïðèâåäåíà íà </span></a><a
href="#S0000001" title="×åðòåæ 1"><span style='font-size:12.0pt'>÷åðò. 1</span></a><span style='font-size:12.0pt'>.</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt'>Ïðè ïðèìåíåíèè çíàêà áåç
óêàçàíèÿ ïàðàìåòðà è ñïîñîáà îáðàáîòêè åãî èçîáðàæàþò áåç ïîëêè.</span></p>

<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center'><img border=0 width=346 height=172
src="img\42078.jpg" v:shapes="_x0000_i1025"></p>

<p class=MsoNormal align=center style='margin-bottom:6.0pt;text-align:center'><span style='font-size:12.0pt'>×åðò. 1</span></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><a
name=P0000004><b style='mso-bidi-font-weight:normal'><span style='font-size:
12.0pt'>(Èçìåíåííàÿ ðåäàêöèÿ, Èçì. ¹ 3).</span></b></a></p>

<p class=MsoNormal style='text-align:justify;text-indent:14.15pt'><span style='font-size:12.0pt'>1.3.  îáîçíà÷åíèè øåðîõîâàòîñòè ïîâåðõíîñòè ïðèìåíÿþò îäèí èç çíàêîâ,
èçîáðàæåííûõ íà </span><a href="#S0000002" title="×åðòåæ 2"><span style='font-size:12.0pt'>÷åðò. 2</span></a><span style='font-size:12.0pt'>.</span></p>

<p class=MsoNormal align=center style='margin-top:6.0pt;margin-right:0cm;
margin-bottom:6.0pt;margin-left:0cm;text-align:center'><a name=S0000002><img border=0 width=403 height=145
src="img\42079.gif" v:shapes="_x0000_i1026"></a></p>

<p class=MsoNormal align=center style='margin-bottom:6.0pt;text-align:center'><span style='font-size:12.0pt'>×åðò. 2</span></p>

<p class=MsoNormal style='text-align: