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Q370R

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America ASME Q370R Specification for Steel Plates for Boilers and Pressure Vessels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Q370R / Q370R
Category Grade Standard Region/Area Standard Content
Metals Q370R ASME SA/GB 713 America Specification for Steel Plates for Boilers and Pressure Vessels

Chemical composition(mass fraction)(wt.%) of the Q370R

Element Min Max Similar
C - 0.1800 -
Mn 1.2000 1.6000 -
P - 0.0250 -
S - 0.0150 -
Si - 0.5500 -
Nb 0.0150 0.0500 -

Mechanical Properties of steel grade Q370R

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)
377 (≥) 823 (≥) 11 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 211

Physical Properties of steel grade Q370R

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
32 - -     0.11 -  
193 839 - 34.3 412   -  
635 - 14 11.2   423 341

Heat Treatment of steel grade Q370R

Heat treated : 1968°C - 1943°C

Technological Curves of steel grade Q370R

Cross Reference Table (Equivalent Grade) of Q370R

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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