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A 312 TP304LN

Description

USA SAE A 312/A 312M (2012) , A 312 TP304LN 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 TP304LN
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel A 312 TP304LN Austenite SAE USA Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

Chemical composition(mass fraction)(wt.%) of the A 312 TP304LN

C Si Mn P S Cr Ni N
≤0.03 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18.0 -20.0 8.00 -12.0 0.10 -0.16

Mechanical Properties of steel grade A 312 TP304LN

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)
114 (≥) 212 (≥) 41 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade A 312 TP304LN

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 - -     0.41 -  
364 461 - 23.3 424   -  
684 - 11 43.2   114 344

Heat Treatment of steel grade A 312 TP304LN

Heat treated : 1223°C - 1326°C

Technological Curves of steel grade A 312 TP304LN

Cross Reference Table (Equivalent Grade) of A 312 TP304LN

Relevant standard of A 312 TP304LN

A 312/A 312M (2012) Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes A-312-A-312M--(2012)-.pdf

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