Project Description

Informatii generale

Diametru (sistemul metric): 6-100 mm
Diametru (sistemul imperial): 1/4\”-4\”
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 h7 sau alta – la cerere)
Ovalitatea: maximum 1/2 din intervalul de toleranta al diametrului
Lungimi standard:
3200 ±200 mm ptr. Ø ≤ 10
6000 ±300 mm ptr. Ø > 10
Lungimi speciale: la cerere
Pot fi livrate la cerere lungimi fixe sau debitate.
Rugozitatea suprafetei: Ra – max. 0,20 µm (cel mai frecvent intre 0.10 si 0.15 µm)
Grosime strat crom:
Ø ≥ 20 mm – min 20 µm
Ø < 20 mm – min 15 µm
Microduritate strat crom: min. 950 HV0.1
Rectilinitate:
Ø ≤ 16 mm = max 0.3 mm/meter
Ø > 16 mm = max 0.2 mm/meter

De la Ø 6 la Ø 100 mm (Domeniul imperial: 1/4″ – 4″)

COMPOZITIE CHIMICA, % DIN GREUTATE
MARCA DE OTEL C Si max Mn P max S max Cr Mo Ni V
X20Cr13 0.16-0.26 1.00 max 1.50 0.040 0.030 12.0-14.0
X46Cr13 0.43-0.55 1.00 max 1.0 0.040 0.030 12.5-14.5
X17CrNi16-2 0.16-0.25 1.00 max 1.50 0.040 0.030 15.0-17.0 1.5-2.5
X5CrNi 18-10 max 0.07 1.00 2 0.045 0.030 17.0-19.5 8.0-10.5 max 0.11
X5CrNiMo 17-12-2 max 0.07 1.00 2 0.045 0.030 16.5-18.5 2-2.5 10.0-13 max 0.11
X3CrNiMoN 27-5-2 max 0.05 1.00 2 0.035 0.030 25.0-28.0 1.3-2.0 4.5-6.5 0.05-0.20
PROPRIETATI MECANICE (Conform SR EN 10088/3-1998)
MARCA DE OTEL (stare) Rezistenta la rupere Rm Limita de curgere Rp0.2 Alungirea A5 Duritate maxim HB
– N/mm2 – – N/mm2 – – % min – – A –
X20Cr13 (recopt) max 760 230
X46Cr13 (recopt) max 800 245
X17CrNi16-2 (recopt) max 950 295
X5CrNiMo 17-12 -2 500÷700 190 45 215
X5CrNiMo 17-12-2 500÷700 200 40 215
X3CrNiMoN 27-5-2 620÷880 450 20 260

Rezultate teste de coroziune AASS si NSS efectuate conform ISO 9227:1990 si evaluate conform ISO 10289:1999.

Marca de otel inoxidabil Rating 10
AISI 420 216 ore NSS 72 ore AASS
AISI 431 960 ore NSS 320 ore AASS
AISI 316; AISI 329 1450 ore NSS 500 ore AASS
ISO 9227 ASTM DIN 50021 Tip ceata salina
NSS B 117 SS Neutra
AASS B 287 ESS Acetica
CASS B 368 CASS Cupro-acetica accelerata

EN 10088 Werkstoff No. DIN 17440 STAS 3583 AFNOR 35573 B.S. 970 3100 UNI 6901 JIS G4303 GOST 5632 977 AISI SAE
X20Cr13 1,4021 X20Cr13 20Cr130 Z20C13 X20Cr13 420S37 X20Cr13 SUS420F 20Ch13 420
X46Cr13 1,4034 X46Cr13 40Cr130 Z44C14 Z38C13M (420S45) X40Cr14 40Ch13
X17CrNi16-2 1,4057 X17CrNi16-2 22NiCr170 Z15CN16-02 X17CrNi16-2 431S29; 6 S.80 X16CrNi16 SUS431 20Ch17N2 431
X17CrNi16-2 1,4057 X17CrNi16-2 22NiCr170 Z15CN16-02 X17CrNi16-2 431S29; 6 S.80 X16CrNi16 SUS431 20Ch17N2 431
X5CrNi 18-10 1.4301 X5CrNi 18-10 5NiCr180 Z4CN19-10FF Z5CN17-08 Z6CN18-09 Z7CN18-09 304 S 11 304 S 15 304 S 16 304S17; LW 21 X5CrNi18 10 SUS 304 08Ch18N10 304
X5CrNiMo 17-12-2 1.4401 X5CrNi 17-12-2 Z3CND17-11-01 Z6CND17-11 Z6CND17-11-02 FF Z7CND17-11-02 316 S 13 316 S 17 X5CrNiMo17 12 2 SUS 316 08X17H13M2 316
X3CrNiMoN 27- 5-2 1.4460 X3CrNiMoN 27- 5-2 (Z3CND25-07 Az) Z5CND27-05 Az X3CrNiMoN 27- 5-2 SUS 329 J1 10Ch26N5M 329