Mae 254 smo yn fath o ddur gwrthstaen austenitig. Oherwydd ei gynnwys molybdenwm uchel, felly mae ganddo wrthwynebiad uchel iawn i gyrydiad pitting ac ymwrthedd cyrydiad agen. Defnyddir y brand hwn o ddur gwrthstaen mewn amgylcheddau fel dŵr y môr sy'n cynnwys halid a'r ymchwil a'r datblygu

Deunydd: SMO 254, 254 SMO, UNS S31254, DIN / EN 1.4547 ASTM A240 ASME SA-240 W.Nr.1.4547 F44 1.4547 Bar Dur Di-staen

Safonau: ASTM, JIS, GB, EN (DIN, BS, NF) OrPerasclients'requires.

GwybodaethBasicInformation:

1.ChemicalCompositionandMechanicalProperties (amp InGuenched GG; TemperedState):

CemegolComposition		MechanicalProperties (InQuenched& TemperedState)
C	≤0.025	Tensilestrength (MPA)	≥650
Mn	≤1.20	Yieldstrength (MPA)	≥310
P	≤0.045	Elongation (δ5 /%)	≥40
Si	≤1.00	ReductioninArea (ψ /%)	--
Ni	17.5-19.50	Effaith (J)	--
Cr	19.50-20.50	Caledwch	182-223HB
Mo.	6.00-7.00
Cu	0.50-1.0
N	0.18-0.24
S	≤0.045

2.ProductApplicationAreas:

Einproductshavebeenusedinallkindsofareas, suchasaviation, awyrofod, llywio, niwclearenergy, cemegol

diwydiant, gwybodaeth electronig, achinemanufacture, petrocemegol, modurol, offerynandmeter, Cyfathrebu,

cludiant, themedicalinstruments, ac ati.

3.Similarsteelgrade& cyfatebolelmaterials:

UDA	Japaneaidd	Gemany	Prydeinig	Ffrainc	Rhyngwladol	Tseiniaidd
Amp ASTM GG; AISI& SAE	JIS	ENDIN	ENBS	ENNF	ISO	Prydain Fawr
A240	----	1.4547	1.4547	1.4547	------	00Cr20Ni18Mo6CuN

Gwybodaeth CynnyrchSales:

Maint	Trwch: 10-200mm OD: 20-500mm
Man gwreiddiol	Wnaed yn llestri
CyflwynoCondition	Wedi'i rolio, colddrawn, wedi'i rolio'n oer
Surfacerequire	Du, malu, llachar, sglein
Gwresogi	Quenched, Tempered, annealed
Pacio	pacio môr, cas pren, carton, gwehyddbag' srequires
Amser Cyflenwi	In10-50days
TradeTerm	EXW, FOB, CIF
Taliadau	T / TorL / Catsight
Porthladd	ChinamainPort, suchasshanghai, Dalian, Shenzhenport.
MOQ	1Ton

CwmniMainProducts:

AlloySteel	4140,4142,42CrMo4,1.7225, SCM440,4130, SCM430,25CrMo4,1.7218,34CrNiMo6, 1.6582,4340, SNCM439,36CrNiMo4,1.6511, SACN645,1340, SMn438, SNC236,
ToolSteel	H13,1.2344, SKD61, D2, SKD11,1.2379,1.2510,01, SKS3,95MnWCr5, D3, SKD1,1.2419, SKS31, H21, SKD5,1.2581, P20,35CrMo7,1.2738,1.2316, M2
BearingSteel	GCr15,52100, SUJ1, SUJ2,100Cr6,1.2067,55C, 8620, 4320,9310,440C, M50
SpringSteel	9260, SUP6, SUP7,1.7108,54SiCr6,1.7102,5155, SUP9,1.7176,5160,1.7177,6150, SUP10,51CrV4,1.8159
Di-staenSteel	321, sus321,1.4541,304, SUS304,1.4301,410, SUS410,1.4006,420,1.4021,1.4028, 434,1.4113,316L, SUS316L, 1.4435,630,1.4542,431,1.4057,