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A 312 TP347LN

Description

USA SAE A 312/A 312M (2013), A 312 TP347LN Specialsteel Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: A 312 TP347LN
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 312 TP347LN Precipitation-Hardening SAE USA Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Chemical composition(mass fraction)(wt.%) of the A 312 TP347LN

C Si Mn P S Ni Cr Al Cu Ti Fe N Mo V
0.005 -0.02 ≤0.75 ≤2.00 ≤0.04 ≤0.03 9.00 -13.00 17.00 -20.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥ 0.06 -0.10 ≤ ≥ ≤ ≥

Mechanical Properties of steel grade A 312 TP347LN

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)
782 (≥) 732 (≥) 21 33 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade A 312 TP347LN

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 - -     0.41 -  
858 525 - 21.3 313   -  
448 - 32 23.2   421 443

Heat Treatment of steel grade A 312 TP347LN

Heat treated : 1854°C - 1273°C

Technological Curves of steel grade A 312 TP347LN

Cross Reference Table (Equivalent Grade) of A 312 TP347LN

Grade Standard Country Application
347LN
TP347LN
TP347LN

Relevant standard of A 312 TP347LN

A 312/A 312M (2013) Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes A-312-A-312M-(2013).pdf

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