DIN 17102 StE420 structural steel alloy plate

 DIN 17102 StE420 structural steel alloy plate is used for structural parts such as automobile longitudinal beams and cross beams that require good cold formability and high strength requirements.

Mechanical properties

Tensile Strength Rm for product thicknesses t,in mm MPa

Yield strength for product thicknesses t,in mm MPa min.

t≤70

70＜t≤85

85＜t≤100

100＜t≤125

125＜t≤150

t≤16

16＜t≤35

35＜t≤50

50＜t≤60

60＜t≤70

70＜t≤85

85＜t≤100

100＜t≤125

125＜t≤150

530~680

520~670

510~660

500~650

490~640

420

410

400

390

385

375

365

StE420 steel composition

C ≤	Si	Mn	P ≤	S ≤	N ≤	Al ≥	Cr ≤
0.20	0.10 to 0.60	1.00 to 1.70	0.035	0.030	0.02	0.02	0.30
Cu ≤	Mo ≤	Ni ≤	Nb ≤	Ti ≤	V ≤	Nb+Ti+V ≤
0.20	0.10	1.00	0.05	-	0.20	0.22

Application
DIN 17102 StE420 steel is widely used in construction, bridges, ships, vehicles, petroleum storage tanks, engineering machinery and other structural parts that require excellent comprehensive mechanical properties and welding performance.