Ste500 ígwè efere

Bridge structural steel DIN STE500 efere ígwè bụ tumadi eji rụpụta riveted na bolted àkwà mmiri nchara owuwu, dị ka okporo ụzọ àkwà mmiri, ụgbọ okporo ígwè àkwà mmiri, oké osimiri àkwà mmiri, ngafefe, viaducts na nnukwu n'ibu n'elu cranes. DIN STE500 ígwè efere, E ọkwa akwa ígwè kwesịrị ekwesị maka akwa akwa structural akụkụ ndị siri ike na siri ike na ala okpomọkụ na oyi na gburugburu ebe obibi ma ọ bụ na-agba ume ibu na nnọọ mgbagwoju na ike ike ọnọdụ.

Ọkwa	C ≤	Si	Mn	P ≤	S ≤	N ≤	Al ≥	Cr ≤	Ku ≤	Mo ≤	Ni ≤	Nb ≤	Ti ≤	V ≤	Nb+Ti+V ≤
ST500	0.21	0.10~0.60	1.00~1.70	0.035	0.030	0.020	0.020	0.30	0.20	0.10	1.00	0.05	---	0.22	0.22

akara ule

Ike Tensile Rmmaka ọkpụrụkpụ ngwaahịa s, na mm N/mm²

UpperYield StressReH²) maka ọkpụrụkpụ ngwaahịa s, na mm N/mm² min.

Elongation mgbe mgbawa3) (Lo=5do) % nkeji.

Dayameta Mandrel maka ịgbagọ ule 4), 5)

s≤70

70s≤85

85s≤100

100s≤125

125s≤150

s≤16

16s≤35

35s≤50

50s≤60

60s≤70

70s≤85

85s≤100

100s≤125

125s≤150

Ogologo ogologo

Mgbanwe nke 6)

ST500

610~780

600~770

590~760

580~750

570~740

500

480

470

460

450

440

430

420

410

16