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SA-307 Grade A

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S30780 SA-307 Grade B
#307

Description

USA AMS SA-307, SA-307 Grade A 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 A
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SA-307 Grade A Precipitation-Hardening AMS USA Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength

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

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 A

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)
751 (≥) 823 (≥) 24 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade SA-307 Grade A

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
21 - -     0.42 -  
347 146 - 33.3 431   -  
983 - 34 41.2   242 244

Heat Treatment of steel grade SA-307 Grade A

Heat treated : 1144°C - 1147°C

Technological Curves of steel grade SA-307 Grade A

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

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 A

SA-307 Carbon Steel Bolts and Studs, 60 000 psi Tensile Strength SA-307.pdf
S30780 SA-307 Grade B
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Jiangyou Longhai Special Steel Co.,Ltd.
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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