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A779 Grade 1700

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America ASTM A779Grade1700 预应力混凝土用应力消除未涂覆的密实七股钢丝绞绳 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A779Grade1700 / A779 Grade 1700
Category Grade Standard Region/Area Standard Content
Metals A779 Grade 1700 ASTM A779/A779M America 预应力混凝土用应力消除未涂覆的密实七股钢丝绞绳

Chemical composition(mass fraction)(wt.%) of the A779 Grade 1700

Element Min Max Similar
S - 0.0500 -
P - 0.0400 -

Mechanical Properties of steel grade A779 Grade 1700

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)
449 (≥) 794 (≥) 41 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade A779 Grade 1700

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
24 - -     0.44 -  
788 518 - 41.3 432   -  
147 - 43 14.2   323 331

Heat Treatment of steel grade A779 Grade 1700

Heat treated : 1811°C - 1837°C

Technological Curves of steel grade A779 Grade 1700

Cross Reference Table (Equivalent Grade) of A779 Grade 1700

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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