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SA-307 Grade B

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SA-307 Grade A SA-307 Grade C
#307

Description

USA AMS SA-307, SA-307 Grade B Specialsteel Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SA-307 Grade B
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-307 Grade B Precipitation-Hardening AMS USA Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength

Chemical composition(mass fraction)(wt.%) of the SA-307 Grade B

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 SA-307 Grade 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)
536 (≥) 648 (≥) 33 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade SA-307 Grade 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
13 - -     0.21 -  
279 275 - 33.3 242   -  
231 - 14 32.2   222 331

Heat Treatment of steel grade SA-307 Grade B

Heat treated : 1295°C - 1327°C

Technological Curves of steel grade SA-307 Grade B

Cross Reference Table (Equivalent Grade) of SA-307 Grade B

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 SA-307 Grade B

SA-307 Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength SA-307.pdf
SA-307 Grade A SA-307 Grade C
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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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