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Bare din otel inoxidabil rectificate si slefuite

BARE DIN OTEL INOXIDABIL RECTIFICATE SI SLEFUITE

Bare din otel inoxidabil rectificate si slefuite

Diametru (sistem metric): intre 6-50 mm
Diametru (sistem imperial): 1/4″-2″
Marci de otel:
X20Cr13 (AISI420; W1.4021)
X46Cr13 (W1.4034)
X17CrNi16-2 (AISI431; W1.4057)
X5CrNi 18-10 (AISI 304; W 1.4301)
X5CrNiMo 17-12-2(AISI 316; W1.4401)
X3CrNiMoN 27-5-2(AISI 329; W1.4460)
Toleranta: ISO f7 (ISO h6 sau alta – la cerere)
Ovalitatea: maximum 1/2 din intervalul de toleranta al diametrului
Lungimi standard: 6000 ±300 mm
Lungimi speciale: la cerere
Rugozitatea suprafetei: Ra – max. 0,30 µm
Straightness:
Ø ≤ 16mm = max 0.3 mm/meter
Ø > 16mm = max 0.2 mm/meter
Pot fi livrate la cerere si alte marci de otel inoxidabil.

Specificatii

De la Ø 6 pana la 50 mm (Domeniul imperial: 1/4″ – 2″)

COMPOZITIE CHIMICA, % DIN GREUTATE

MARCA DE OTELCSi maxMnP maxS maxCrMoNiV
X20Cr130.16-0.261max 1.500.040.0312.0-14.0
X46Cr130.43-0.551max 1.00.040.0312.5-14.5
X17CrNi16-20.16-0.251max 1.500.040.0315.0-17.01.5-2.5

Pentru Ck45 si C35E: Cr+Mo+N i≤ 0.63%.

PROPRIETATI MECANICE

MARCA DE OTEL (stare)Rezistenta la rupere RmLimita de curgere Rp0.2Alungirea la rupere A5Duritatea maxima HB
– N/mm2 –– N/mm2 –– % min –– A –
X20Cr13 (Recopt)max 760230
X46Cr13 (Recopt)max 800245
X17CrNi16-2 (Recopt)max 950295

Tratament termic

Ø – mmAdancime de calire – mm
2021-06-10 00:00:000.5 – 0.8
2021-12-15 00:00:000.8 – 1.4
16 – 181.1 – 1.5
20 – 221.2 – 1.5
241.4 – 1.6
251.5 – 1.7
281.5 – 1.8
30 – 351.5 – 1.9
40 – 451.6 – 2.0
50 – 802.2 – 2.6
90 – 1002.2 – 3.2
110 – 1402.5 – 3.5
140 – 1602.8 – 4.0

Adancimea de calire: 0.5-4.0 in functie de diametru.
Duritatea suprafetei:
Marca otel C35E: intre 52 si 57 HRC
Marca otel Ck45: intre 55 si 60 HRC
Marca otel 20MnV6: intre 42 si 52 HRC
Marca otel 38MnVS6: intre 53 si 57 HRC
Marca otel 42CrMo4: intre 56 si 61 HRC
Adancimi de calire si duritati speciale: se pot efectua la cererea clientului.

Corespondenta marci otel

EN10088WerkstoffNo.DIN17440STAS3583AFNOR35573B.S.9703100UNI6901JISG4303GOST5632977AISISAE
X20Cr1314021X20Cr1320Cr130Z20C13X20Cr13420S37X20Cr13SUS420F20Ch13420
X46Cr1314034X46Cr1340Cr130Z44C14Z38C13M(420S45)X40Cr1440Ch13
X17CrNi16-214057X17CrNi16-222NiCr170Z15CN16-02X17CrNi16-2431S29; 6 S.80X16CrNi16SUS43120Ch17N2431
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