HⅡ

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China 宝钢Q/BQB HⅡ 锅炉及压力容器用热连轧钢板及钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HⅡ / HⅡ

Category	Grade	Standard	Region/Area	Standard Content
Metals	HⅡ	Q/BQB 320	China	锅炉及压力容器用热连轧钢板及钢带

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

Element	Min	Max	Similar
Cu	-	0.3000	-
Ti	-	0.0300	-
Nb	-	0.0100	-
V	-	0.0200	-
Mo	-	0.0800	-
Ni	-	0.3000	-
Cr	-	0.3000	-
P	-	0.0300	-
S	-	0.0250	-
Mn	0.5000	1.3000	-
Si	-	0.3500	-
C	-	0.2000	-

Mechanical Properties of steel grade HⅡ

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)
329 (≥)	871 (≥)	14	23	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade HⅡ

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
13	-	-			0.11	-
558	826	-	24.3	242		-
195	-	22	42.2			231	443

Heat Treatment of steel grade HⅡ

Heat treated : 1988°C - 1726°C

Technological Curves of steel grade HⅡ

No Curve

Cross Reference Table (Equivalent Grade) of HⅡ

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

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com

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HⅡ