S770QL

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Germany DIN S770QL High tenacity quenched and tempered fine grain steel. Part 2: Technical delivery conditions for tube and hollow sections and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S770QL / S770QL

Category	Grade	Standard	Region/Area	Standard Content
Metals	S770QL	DIN SEW 090-2	Germany	High tenacity quenched and tempered fine grain steel. Part 2: Technical delivery conditions for tube and hollow sections

Chemical composition(mass fraction)(wt.%) of the S770QL

Element	Min	Max	Similar

The data is being updated,

Mechanical Properties of steel grade S770QL

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)
772 (≥)	979 (≥)	22	21	43	Solution and Aging, Annealing, Ausaging, Q+T,etc	411

Physical Properties of steel grade S770QL

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
11	-	-			0.24	-
353	349	-	13.3	222		-
674	-	22	43.2			124	114

Heat Treatment of steel grade S770QL

Heat treated : 1711°C - 1977°C

Technological Curves of steel grade S770QL

No Curve

Cross Reference Table (Equivalent Grade) of S770QL

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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