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SWPR 7BN Class B

Japan JIS SWPR7BNClassB 无涂层无应力钢丝和预应力混凝土钢绞线 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SWPR7BNClassB / SWPR 7BN Class B
Category Grade Standard Region/Area Standard Content
Metals SWPR 7BN Class B JIS G3536 Japan 无涂层无应力钢丝和预应力混凝土钢绞线

Chemical composition(mass fraction)(wt.%) of the SWPR 7BN Class B

Element Min Max Similar

Mechanical Properties of steel grade SWPR 7BN Class B

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)
992 (≥) 981 (≥) 31 44 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade SWPR 7BN Class B

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
11 - -     0.11 -  
471 593 - 41.3 414   -  
771 - 33 14.2   213 232

Heat Treatment of steel grade SWPR 7BN Class B

Heat treated : 1475°C - 1745°C

Technological Curves of steel grade SWPR 7BN Class B

Cross Reference Table (Equivalent Grade) of SWPR 7BN Class B

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