STAM 30GB

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Korea KS STAM30GB Electric resistance welded carbon steel tubes for automobilestructural purposes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STAM30GB / STAM 30GB

Category	Grade	Standard	Region/Area	Standard Content
Metals	STAM 30GB	KS D 3598	Korea	Electric resistance welded carbon steel tubes for automobilestructural purposes

Chemical composition(mass fraction)(wt.%) of the STAM 30GB

Element	Min	Max	Similar
Si	-	0.3500	-
S	-	0.0350	-
P	-	0.0350	-
Mn	-	0.6000	-
C	-	0.1200	-

Mechanical Properties of steel grade STAM 30GB

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)
255 (≥)	973 (≥)	42	11	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	422

Physical Properties of steel grade STAM 30GB

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
34	-	-			0.34	-
365	119	-	24.3	322		-
254	-	34	41.2			314	441

Heat Treatment of steel grade STAM 30GB

Heat treated : 1969°C - 1762°C

Technological Curves of steel grade STAM 30GB

No Curve

Cross Reference Table (Equivalent Grade) of STAM 30GB

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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