Stainless hlau - Qib 630

Cov khoom tseem ceeb

Cov khoom tau hais hauv qab no feem ntau muaj qib 630 bar khoom hauv ASTM A564. Cov kev qhia tshwj xeeb yuav tsis zoo ib yam li lwm cov ntaub ntawv xws li forgings thiab daim hlau.

Kev sib xyaw

Cov kev sib xyaw ua ke ntawm qib 630 stainless hlau tau nthuav tawm hauv qab no:

Table 1. Kev sib xyaw ua ke rau qib 630 stainless hlau

Qib		C	Mn	Si	P	S	Cr	Ni	Cu	Nb+Ta
630	min. max	- 0.07	- 1	- 1	- 0.04	- 0.030	15 17.5	3 5	3 5	0.15 0.45

Mechanical Properties

Cov lus hauv qab no qhia txog cov khoom siv kho tshuab ntawm qib 630 stainless hlau:

Rooj 2.Mechanical zog ntawm qib 630 stainless hlau

Qhov xwm txheej	Tensile zog (MPa)	Yield Strength 0.2% Pov thawj (MPa)	Elongation (% hauv 50mm)	Hardness
				Rockwell C (HR C)	Brinell (HB)
Tshuaj kho	1105 ib	1000 typ	15 typ	38 max	363 max ua
xwm txheej 900	1310 min	1170 min	10 feeb	40 feeb	388 nqi
Xwm Txheej 1150	930 nqi	724 nqi	16 feeb	28 feeb	277 nqi

* Cov txiaj ntsig no tau teev tseg rau ASTM A564 thiab lawv tsuas yog siv rau qee qhov loj me. Cov specification yuav tsum tau sab laj rau tag nrho cov ntsiab lus ntawm cov khoom no.
Tus mob 900 yog hnub nyoog ntawm 900℃F (482 degree), Mob 1150 yog hnub nyoog ntawm 1150℃F (621 degree).
Kev kho mob yog nyob ntawm 927℃thiab txias raws li qhov xav tau.

Lub cev muaj zog

Lub cev lub cev ntawm qib 630 stainless hlau tau muab rau hauv cov lus hauv qab no:

Table 3. Lub cev muaj zog ntawm qib 630 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 100 degree	Ntawm 500 degree
630	7750	197	10.8	11.6	-	18.4	22.7	460	800