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St44.0

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China 宝钢Q/BQB St44.0 管道、容器、设备结构用无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: St44.0 / St44.0
Category Grade Standard Region/Area Standard Content
Metals St44.0 Q/BQB 203 China 管道、容器、设备结构用无缝钢管

Chemical composition(mass fraction)(wt.%) of the St44.0

Element Min Max Similar
Cu - 0.2000 -
Ni - 0.2500 -
Cr - 0.2500 -
S - 0.0200 -
P - 0.0250 -
Mn 0.5000 0.8000 -
Si 0.1700 0.3700 -
C - 0.2100 -
Cu - 0.2500 -
Ni - 0.2500 -
Cr - 0.2500 -
P - 0.0350 -
S - 0.0350 -
Mn 0.5000 0.8000 -
Si 0.1700 0.3700 -
C - 0.2100 -
P - 0.0350 -
S - 0.0350 -
Mn 0.5000 0.8000 -
Si 0.1700 0.3700 -
C - 0.2100 -
Cu - 0.2000 -
Ni - 0.2500 -
Cr - 0.2500 -
P - 0.0250 -
S - 0.0200 -
Mn 0.5000 0.8000 -
Si 0.1700 0.3700 -
C - 0.2100 -

Mechanical Properties of steel grade St44.0

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
393 (≥) 842 (≥) 44 11 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade St44.0

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
31 - -     0.11 -  
981 916 - 12.3 143   -  
239 - 11 34.2   324 332

Heat Treatment of steel grade St44.0

Heat treated : 1587°C - 1252°C

Technological Curves of steel grade St44.0

Cross Reference Table (Equivalent Grade) of St44.0

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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Jiangyou Longhai Special Steel Co.,Ltd.

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