Letlapa la tšepe la S275JR

EN 10025 S275 Tšepe (S275JR, S275J0 & S275J2)
EN 10025 S275 Steel ke sekhahla sa tšepe sa sebopeho se sa kopaneng, ho latela EN10025, S275 tšepe e bonolo e arotsoe haholo ho S275JR (1.0044), S275J0 (1.0143) le S275J2 (1.0145). Lintho tse ling tsa S275 soft steel li betere ho feta S235, 'me li tlase ho feta S355.
Lebitso la khale la S275 ke St44 ho latela maemo a Jeremane, boemo ba boleng ba pele bo lekanang le bona bo tjena:
EN10025 S275JR (1.0044) - St44-2 ho DIN 17100
S275JO (1.0143) - St44-3U ho DIN17100
S275J2 (1.0145) - S275J2G4 ho EN 10025: 1993
EN10025 S275JR Moelelo (Moqapi)
Manane a ka tlase a hlalosa EN10025 S275JR moelelo
"S" ke ea tšepe ea mohaho;
"275" e bua ka matla a fokolang a lihlahisoa ke 275 MPa e lekiloeng ka botenya ba tšepe ≤ 16mm.
"JR" e bolela hore bonyane ba tšusumetso ea charpy mocheso oa kamore ke 27J.
"J0" e bua ka boleng bo tlase ba tšusumetso ea charpy ho 0 °C ke 27J.
“J2” e bolela boleng ba tšusumetso e tlase ho -20 °C ke 27J.
Leqephe la lintlha le lintlha tsa S275
TS EN 10025 S275 thepa ea tšepe, sebopeho le lisebelisoa tse tšoanang li ka fumanoa ho database e latelang. Leqephe lohle la lintlha la DIN EN 10025-2 le tšoana le BS EN 10025-2 le linaha tse ling tsa litho tsa EU.

S275JR PLATE ke poleiti ea tšepe e entsoeng ka tšepe e bonolo kapa tšepe ea carbon. Lipoleiti tsena li sebelisoa haholo bakeng sa moaho oa meaho, tlhahiso ea fektheri, meahong ea mechini le merafong. Lipoleiti tsena li entsoe ka motsoako oa S275JR o nang le mefuta e mengata ea tlhaho.

Sebopeho sa Lik'hemik'hale
Datasheet 1, EN10025 S275J0, S275J2 le S275JR metsoako ea lik'hemik'hale e thehiloeng ho tlhahlobo ea ladle e fanoe tafoleng e latelang.

			Sebopeho sa Lik'hemik'hale (tlhahlobo ea ladle),%, ≤
Naha (Tikoloho)	Standard	Kereiti ea tšepe (Nomoro ea tšepe)	C	Mong	P	S	N	Cu	Botenya (d) (mm)	Mokhoa oa deoxidation
mokhatlo oa linaha tsa Iropa	EN 10025-2	S275JR (1.0044)	0.21	1.50	0.035	0.035	0.012	0.55	≤40	Litšepe tse rimmeng ha lia lumelloa
			0.22						> 40
		S275J0 (1.0143)	0.18	1.50	0.030	0.030	0.012	0.55	≤ 150	Litšepe tse rimmeng ha lia lumelloa
			0.20						> 150
		S275J2 (1.0145)	0.18	1.50	0.025	0.025	-	0.55	≤ 150	Ho Bolaoa ka ho Feletseng
			0.20						> 150

Datasheet 2, metsoako ea lik'hemik'hale e thehiloeng ho tlhahlobo ea lihlahisoa.

			Sebopeho sa Lik'hemik'hale (tlhahlobo ea lihlahisoa),%, ≤
Naha (Tikoloho)	Standard	Kereiti ea tšepe (Nomoro ea tšepe)	C	Mong	P	S	N	Cu	Botenya (d) (mm)	Mokhoa oa deoxidation
mokhatlo oa linaha tsa Iropa	EN10025-2	S275JR (1.0044)	0.24	1.60	0.045	0.045	0.014	0.60	≤40	Litšepe tse rimmeng ha lia lumelloa
			0.25						> 40
		S275Jo (1.0143)	0.21	1.60	0.040	0.040	0.014	0.60	≤ 150	Litšepe tse rimmeng ha lia lumelloa
			0.22						> 150
		S275J2 (1.0145)	0.21	1.60	0.035	0.035	-	0.60	≤ 150	Ho Bolaoa ka ho Feletseng
			0.22						> 150

Thepa ea tšepe ea S275
Thepa ea 'Mele
S275 boima ba tšepe bo bobebe: 7.85 g/cm3
Sebaka se qhibilihang: 1420-1460 °C (2590-2660 °F)
Thepa ea Mechini
Mechini ea tšepe ea S275 joalo ka matla a tlhahiso, matla a tsitsipano, bolelele le ho hanyetsa tšusumetso li fanoe ka har'a database e ka tlase.
Kotulo Matla
Lethathamo la lintlha tsa Grade S275-3

		S275 Kotulo Matla (≥ MPa); Dia. (d) mm
Tšepe	Mophato wa Tshipi (Nomoro ya Tshipi)	d≤16	16	40	63	80	100	150	200
S275	S275JR (1.0044)	275	265	255	245	235	225	215	205
	S275J0 (1.0143)
	S275J2 (1.0145)

Matla a tšepe
Lethathamo la lintlha tsa EN 10025 S275-4

		S275 Tensile Strength (≥ MPa)
Tšepe	Kereiti ea tšepe	d <3	3 ≤d ≤ 100	100	150
S275	S275JR (1.0044)	430-580	410-560	400-540	380-540
	S275J0 (1.0143)
	S275J2 (1.0145)

Ela hloko: 1MPa = 1N/mm2
Elongation
Lethathamo la lintlha tsa S275-5

		Elongation (≥%); Botenya (d) mm
Tšepe	Kereiti ea tšepe	d≤1	1	1.5	2	2.5	3 ≤d ≤40	40	63	100	150
S275	S275JR	15	16	17	18	19	23	22	21	19	18
	S275J0 (S275JO)
	S275J2	13	14	15	16	17	21	20	19	19	18