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B 774 307-323

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B 30 7A B860 Z30750
#307

Description

USA SAE B 774 (2010), B 774 307-323 Specialsteel Low Melting Point Alloys and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: B 774 307-323
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel B 774 307-323 Precipitation-Hardening SAE USA Low Melting Point Alloys

Chemical composition(mass fraction)(wt.%) of the B 774 307-323

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
≤0.15 ≤1.00 3.75 -4.75 ≤0.045 ≤0.03 9.00 -10.50 19.00 -22.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade B 774 307-323

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)
332 (≥) 469 (≥) 41 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade B 774 307-323

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
23 - -     0.13 -  
232 243 - 11.3 113   -  
247 - 12 12.2   314 421

Heat Treatment of steel grade B 774 307-323

Heat treated : 1671°C - 1831°C

Technological Curves of steel grade B 774 307-323

Cross Reference Table (Equivalent Grade) of B 774 307-323

Grade Standard Country Application
1.4307
1.2307
307
K30736
K30736
AWS E307
UNS W30710
AWS ER307
UNS S30780
T11307
T11307
1.2307
1.2307
1.4307
1.4307

Relevant standard of B 774 307-323

B 774 (2010) Low Melting Point Alloys B-774-(2010).pdf
B 30 7A B860 Z30750
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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...

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