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Tevi honuite sau alezate si roluite la interior H8 2018-06-11T12:14:21+00:00

Project Description

Informatii generale

Dimensiuni:
Diametru interior: intre 25-300 mm
Diametru exterior : conform EN 10305-1 (DIN 2391)
Marci de otel:
E355 +SR (St 52 BK+S)
E410 +SR (St E460 BK+S)
Ovalitate: max. intervalul de toleranta al diametrului
Rugozitate suprafata prelucrata:
max Ra=0,6 µm (in mod obisnuit in domeniul 0.30-0.4 µm) ptr. cele honuite
max Ra=0,3 µm (in mod obisnuit in domeniul 0.15-0.22 µm) ptr. cele alezate-roluite
Lungime: max. 12000 mm
Rectilinitate:
Abatere locala: max. 1 mm pe fiecare metru de lungime
Abatere totala:
Pentru tevi cu lungimea mai mica de 6 m – max. 3.5 mm
Pentru tevi cu lungimea mai mare de 6 m valoarea de mai sus va fi marita cu 0.5 mm pentru fiecare metru in plus

COMPOZITIE CHIMICA , % DIN GREUTATE
MARCA DE OTEL) C (max) Si (max) Mn (max) P (max) S Ni (max) V (max)
St52(E 355) 0.2 0.5 1.5 0.025 0.02-0.04 – –
StE 460(E 410) 0.2 0.5 1.7 0.025 max 0.015 0.8 0.2
PROPRIETATI MECANICE (Conform EN 10305-1)
MARCA DE OTEL
Conditii de livrare		 Rezistenta la rupere Rm Limita de curgere Rp0.2 Alungire la rupere A5
– N/mm2 – -N/mm2 – – % min –
Grosime perete ? 16mm Grosime perete ? 16mm
E 355 +SR 600 520 490 14
E 410 +SR 700 620 620 15
E 355 +N 490-630 355 355 22
E 410 +N 560-730 460 450 22
Dimensiuni – H8
Diametru exterior Diametru interior
mm mm
35 20 25
40 25 30 32 – – – –
42 30 32 – – – –
45 25 30 32 35 – – –
50 30 35 40 – – – –
52 40 – – – – – –
55 40 45 – – – – –
60 40 45 50 – – – –
62 50 – – – – – –
65 45 50 55 – – – –
70 50 55 60 – – – –
72 – – 60 – – – –
73 – – 63 – – – –
75 55 60 63 65 – – –
78 – – 63 – – – –
80 55 60 63 65 70 – –
82 70 – – – – – –
83 – – 63 – – – –
85 60 65 70 75 – – –
90 60 65 70 75 80 – –
92 – – – – 80 – –
95 70 75 80 85 – – –
100 70 75 80 85 90 – –
102 – – – – 90 – –
105 75 80 85 90 95 – –
110 80 85 90 95 100 – –
112 – – – – 100 – –
115 85 90 95 100 105 – –
120 90 95 100 105 110 – –
125 100 105 110 115 – – –
130 100 110 115 120 – – –
135 110 115 120 125 – – –
140 100 110 115 120 125 130 –
145 120 125 130 135 – – –
150 120 125 130 135 140 – –
155 125 130 135 140 – – –
160 120 125 130 135 140 145 150
165 140 145 150 – – – –
170 140 150 155 160 – – –
175 150 160 – – – – –
180 140 150 160 – – – –
185 160 – – – – – –
190 160 170 180 – – – –
195 160 170 – – – – –
200 160 170 180 190 – – –
205 180 – – – – – –
210 180 200 – – – – –
215 180 200 – – – – –
220 180 190 200 – – – –
225 200 – – – – – –
230 200 – – – – – –
235 200 – – – – – –
240 200 – – – – – –
245 200 – – – – – –

Nu se aplica

EN 10305-1 10305-2 DIN 2391 2393 17179 AFNOR NF-A49310 NF-A49643 B.S. 6323 UNI 7945 7946 663 6403 JIS G3445 ASTM A 513
E355 St52 St52-3 Tu 52b Ts 47a CEW5-ERW5 Fe 490 Fe 510 D Fe 52-2 Fe 510 STKM 19 1024
E410 StE 460 20MV6 – – – –