ML30MnB

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China GB ML30MnB 冷镦钢热轧盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ML30MnB / ML30MnB

Category	Grade	Standard	Region/Area	Standard Content
Metals	ML30MnB	GB/T 28906	China	冷镦钢热轧盘条

Chemical composition(mass fraction)(wt.%) of the ML30MnB

Element	Min	Max	Similar
Al	0.0200	-	-
B	0.0008	0.0035	-
S	-	0.0250	-
P	-	0.0250	-
Mn	0.9000	1.2000	-
Si	0.1000	0.3000	-
C	0.2800	0.3300	-
Ni	-	0.2000	-
Cr	-	0.2000	-
Cu	-	0.2000	-
Si	0.1000	0.3000	-
S	-	0.0250	-
P	-	0.0250	-
Mn	0.9000	1.2000	-
C	0.2800	0.3300	-
B	0.0008	0.0035	-
Al	0.0200	-	-

Mechanical Properties of steel grade ML30MnB

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)
684 (≥)	824 (≥)	21	22	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	323

Physical Properties of steel grade ML30MnB

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
21	-	-			0.12	-
287	315	-	41.3	433		-
644	-	33	12.2			413	132

Heat Treatment of steel grade ML30MnB

Heat treated : 1855°C - 1582°C

Technological Curves of steel grade ML30MnB

No Curve

Cross Reference Table (Equivalent Grade) of ML30MnB

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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