A321

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America ASTM A321 经淬火和回火的碳素钢棒 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A321 / A321

Category	Grade	Standard	Region/Area	Standard Content
Metals	A321	ASTM A321	America	经淬火和回火的碳素钢棒

Chemical composition(mass fraction)(wt.%) of the A321

Element	Min	Max	Similar
P	-	0.0400	-
S	-	0.0500	-
Mn	0.6000	0.9000	-
Si	0.1500	0.3500	-
C	-	0.5500	-
Si	0.1500	0.3500	-
S	-	0.0500	-
Pb	-	-	-
P	-	0.0400	-
Mn	0.6000	0.9000	-
C	-	0.5500	-

Mechanical Properties of steel grade A321

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
936 (≥)	832 (≥)	23	44	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	144

Physical Properties of steel grade A321

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
41	-	-			0.24	-
647	349	-	11.3	122		-
139	-	31	41.2			212	334

Heat Treatment of steel grade A321

Heat treated : 1539°C - 1859°C

Technological Curves of steel grade A321

No Curve

Cross Reference Table (Equivalent Grade) of A321

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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