S 420 MLH

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Germany DIN S420MLH 冷成型焊接结构空心型材的非合金和细晶粒钢 - 第1部分：交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S420MLH / S 420 MLH

Category	Grade	Standard	Region/Area	Standard Content
Metals	S 420 MLH	DIN EN 10219-1	Germany	冷成型焊接结构空心型材的非合金和细晶粒钢 - 第1部分：交货技术条件

Chemical composition(mass fraction)(wt.%) of the S 420 MLH

Element	Min	Max	Similar
V	-	0.1200	-
Ti	-	0.0500	-
Si	-	0.5000	-
S	-	0.0250	-
P	-	0.0300	-
Ni	-	0.3000	-
Nb	-	0.0500	-
N	-	0.0200	-
Mo	-	0.2000	-
Mn	-	1.7000	-
Cr+Cu+Mo	-	0.6000	-
CEV	-	0.4300	-
C	-	0.1600	-
Al	0.0200	-	-

Mechanical Properties of steel grade S 420 MLH

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)
745 (≥)	437 (≥)	42	13	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	141

Physical Properties of steel grade S 420 MLH

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	-	-			0.12	-
763	351	-	33.3	142		-
242	-	11	14.2			233	434

Heat Treatment of steel grade S 420 MLH

Heat treated : 1887°C - 1634°C

Technological Curves of steel grade S 420 MLH

No Curve

Cross Reference Table (Equivalent Grade) of S 420 MLH

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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