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DIN 17100 52-3工字梁

Date : 2016-10-14 14:56:05

箴cessing

As ST52-3 I-beam΄s name suggests, ST52-3 I-beam is a kind of "workers" shaped cross-section steel, and the inner surface of the upper and lower flange inclination is generally 1: 6, resulting in ST52-3 I-beam cross section in the main characteristics of the two planes a huge difference in the application and it is difficult to play just the strength characteristics. ST52-3 I-beam structure has been determined torsional performance short board.

DIN 17100 ST 52-3I SectionChemical Composition:

Material	C % max						P %	S %	N%
Material	≤16	>16,≤30	>30,≤40	>40,≤63	>63,≤100	>100	max	max	max
ST52-3	0.2	0.2	0.22	0.22	0.22	by agreement	0.04	0.04	-

DIN 17100 ST 52-3I SectionMechanical Properties

Material	Tensile strength Mpa
	Normal thickness mm
	＜3	≥3,≤100	>100
St 52-3	510-680	490-630	by agreement

Material	Minumum yield strength Mpa
	Normal thickness mm
	≤16	>16,≤40	>40,≤63	>63,≤80	>80,≤100	>100
St52-3	355	345	335	325	315	by agreement

Material	Elongation Mpa %
	L0=80mm Normal thickness mm					L0=5.65 √ S0 mm Normal thickness mm
	≥0.5，＜1	≥1,＜1.5	≥1.5,＜2	≥2,＜2.5	≥2.5,＜3	≥3，≤40	>40,≤63	>63,≤100	>100
St 52-3	14	15	16	17	18	22	21	20	by agreement
St 52-3	12	13	14	15	16	20	19	18	by agreement

Material
	Minmum energy (J) Normal thickness mm
	Temperature	≥10≤16	>16≤63	>63,≤100	>100
St 52-3	20	27	27	23_	by agreement_

ST52-3 I-beam cross section to pull by direct pressure and good resistance, but the cross-sectional dimensions of the wing due is too narrow, not torsional. ST52-3 I-beam is mainly used in various building structures, bridges,, vehicle bracket machinery.