Dab tsi yog 440 Stainless Hlau?

Cov khoom sib npaug ntawm 440 Stainless Hlau Phaj

440A Stainless hlau:

Sib npaug rau AISI 440A, ASTM A276, ASTM A314, ASTM A473, ASTM A580, ASTM A756, ASTM A580, AMS 5631, AMS 5632, AMS 5633, AMS 5634, AMS 5634, 82 AMS, SAE J405 (51440A) UA

Cov qib zoo sib xws: 7Cr17, 7Cr17MoV, X70CrMo15

440B Stainless hlau:

Sib npaug rau AISI 440B, ASTM A276, ASTM A314, ASTM A473, ASTM A580, ASTM A756, ASTM A580, AMS 5631, AMS 5632, AMS 5633, AMS 5634, AMS 5634, 82 AMS, SAE J405 (51440B)

Cov qib zoo sib xws: 9Cr18, 9Cr18Mo, X90CrMoV18

440C Stainless hlau:

AISI 440C, ASTM A276, ASTM A314, ASTM A473, ASTM A580, ASTM A756, ASTM A580, AMS 5630, AMS 5880, MIL-S-862, 5 SAE J405 ()

Cov qib zoo sib xws: 9Cr18MoV, X105CrMo17

440 Stainless Hlau Phaj Chemical Composition (%)

Qib	C	Si	Mn	S	P	Cr	Ni	Mo
440A	0.60~0.75	Tsawg dua los yog sib npaug li 1	Tsawg dua los yog sib npaug li 1	Tsawg dua lossis sib npaug li 0.030	Tsawg dua lossis sib npaug li 0.040	16.00-18.00	–	Tsawg dua lossis sib npaug li 0.75
440B	0.85-0.95	Tsawg dua los yog sib npaug li 1	Tsawg dua los yog sib npaug li 1	Tsawg dua lossis sib npaug li 0.030	Tsawg dua lossis sib npaug li 0.035	16.00-18.00	Tsawg dua lossis sib npaug li 0.60	Tsawg dua lossis sib npaug li 0.75
440C	0.95 – 1.20	Tsawg dua los yog sib npaug li 1	Tsawg dua los yog sib npaug li 1	Tsawg dua lossis sib npaug li 0.030	Tsawg dua lossis sib npaug li 0.040	16.00-18.00	–	Tsawg dua lossis sib npaug li 0.75

Mechanical Properties

Khoom	440A	440B	440C
Hardness (Rockwell C)	56-59 HRC	57-60 HRC	58-62 HRC
Tensile zog (MPa)	760-820	760-840	760-820
Tensile zog (MPa)	450-600	450-600	450-600
Elongation ntawm Break (%)	20-25	15-20	10-15
Modulus ntawm Elasticity (GPa)	200	200	200

Lub cev muaj zog

Khoom	440A	440B	440C
Qhov ceev (g / cm³)	7.65	7.75	7.75
Thermal conductivity (W / m · K)	24	24	24
Lub peev xwm kub tshwj xeeb (J / kg·K)	460	460	460
Hluav taws xob tiv thaiv (μΩ·cm)	60	60	60
Coefficient ntawm Thermal Expansion (μm / m·K)	10.4	10.4	10.4