400AT

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Canada CSA 400AT General requirements for rolled or welded structural quality steel / Structural quality steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 400AT / 400AT

Category	Grade	Standard	Region/Area	Standard Content
Metals	400AT	G40.20/G40.21	Canada	General requirements for rolled or welded structural quality steel / Structural quality steel

Chemical composition(mass fraction)(wt.%) of the 400AT

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade 400AT

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
858 (≥)	467 (≥)	43	42	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	134

Physical Properties of steel grade 400AT

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
14	-	-			0.33	-
841	488	-	42.3	224		-
332	-	12	33.2			123	131

Heat Treatment of steel grade 400AT

Heat treated : 1266°C - 1442°C

Technological Curves of steel grade 400AT

No Curve

Cross Reference Table (Equivalent Grade) of 400AT

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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