Stainless hlau - Qib 904L (UNS N08904)

Cov khoom tseem ceeb

Cov ntu hauv qab no piav qhia txog cov khoom ntawm cov khoom lag luam tiaj tus hauv ASTM B625. Cov lus qhia tshwj xeeb yuav tsis zoo ib yam rau lwm yam khoom xws li bar, raj thiab yeeb nkab.

Kev sib xyaw

Cov lus hauv qab no muab cov kev sib xyaw ua ke ntawm qib 904L stainless hlau:

Table 1. Kev sib xyaw ua ke ntawm qib 904L stainless hlau

Qib		C	Mn	Si	P	S	Cr	Mo	Ni	Cu
904L	min. max.	- 0.02	- 2	- 1	- 0.045	- 0.035	19 23	4 5	23 28	1 2

Mechanical Properties

Cov khoom siv kho tshuab raug ntawm qib 904L stainless hlau tau muab rau hauv cov lus hauv qab no:

Rooj 2.Mechanical zog ntawm qib 904L stainless hlau

Qib	Tensile zog (MPa) min	Yield Strength 0.2% Pov thawj (MPa) min	Elongation (% hauv 50mm) min	Hardness
				Rockwell IB (HR B)	Brinell (HB)
904L	490	220	36	70-90 Nws	150

Lub cev muaj zog

Lub cev lub cev ntawm qib 904L stainless hlau yog tabulated hauv qab no:

Table 3.Lub cev muaj zog ntawm qib 904L stainless hlau

Qib	Qhov ntom (kg / m3)	Elastic Modulus (GPa)	Txhais tau tias Co-eff ntawm Thermal Expansion (µm/m/degree)			Thermal conductivity (W/m.K)		Tshwj xeeb kub 0-100 degree (J/kg.K)	Elec Resistivity (nΩ.m)
			0-100 degree	0-315 degree	0-538 ° C	Thaum 20 degree	Ntawm 500 degree
904L	7900	190	15	-	-	11.5	-	500	952

Qib Specification Sib piv

Cov lus hauv qab no qhia txog qhov kwv yees qib sib piv ntawm 904L stainless hlau:

Rooj 4.Qib specifications ntawm Qib 904L stainless hlau

Qib	UNS No	Laus British		Euronorm		Swedish SS	Japanese JIS
		BS	En	Tsis muaj	Lub npe
904L	N08904	904S13	-	1.4539	X1NiCrMoCuN25-20-5	2562	-