Okwu mmalite nke Russian Standard GOST 19281 09G2S

Standard Russia GOST-33259 09G2S bụ obere alloy structural steel a na-ejikarị eme ihe dị iche iche nke injinia na ihe owuwu ụlọ. Ọ na-emezu ihe achọrọ nke ọkọlọtọ mba Russia GOST 19281-89. 09G2Sígwè nwere nnukwu ike na ike, dabara maka ngwa na-arụ ọrụ na okpomọkụ sitere na -40 ° C ruo + 70 ° C.

Ihe:

Oke ngwa:

A na-ejikarị ọkọlọtọ Rọshịa 09G2S arụpụta efere ígwè, ọkpọkọ ígwè na ihe owuwu ígwè, dị ka ụlọ, àkwà mmiri, pipeline mmanụ, tankị, ụgbọ mmiri na ụgbọ ala. Ike ya dị elu yana ezigbo weldability na-eme ka ọ dabara maka injinịa Structural na-ebu nnukwu ibu static, ike na ịma jijiji.

Uru:

1. Ike dị elu: 09G2S ígwè nwere ike dị mma na ike na-enye ike, nke kwesịrị ekwesị maka ọrụ injinia nwere nnukwu ihe ike chọrọ. 2. Weldability: 09G2S ígwè nwere ezigbo weldability, na-eme ka ọ dị mfe maka ịgbado ọkụ na njikọ njikọ. 3. Ezi plasticity na ike siri ike: Nchara a nwere ezigbo plasticity na ike siri ike, na-enye ya ohere iguzogide ụfọdụ mmetụta mpụga na nrụrụ. 4. Nkwụsị nke corrosion: 09G2S ígwè nwere ike ime ka nkwụsị nke corrosion ya dịkwuo elu site na ọgwụgwọ okpomọkụ ma ọ bụ mkpuchi, na-eme ka ọ dị mma maka gburugburu ebe ndị na-achọ nkwụsị corrosion.

Ihe ọghọm:

1. Ọnụ ego dị elu: N'iji ya tụnyere ígwè carbon carbon nkịtị, 09G2S ígwè nwere ọnụ ahịa dị elu, nke nwere ike ịbawanye ụgwọ ọrụ mmepụta ihe na ngwa ngwa. 2. Ọdịnaya alloy dị elu: Ọ bụ ezie na ọdịnaya alloy nke 09G2S ígwè dị ntakịrị, ọ ka dị elu karịa nchara obere carbon, nke nwere ike igbochi ụfọdụ ngwa pụrụ iche.

Njirimara:

1. Ike dị elu: Ọ nwere nnukwu ike mkpụrụ na ike nkwụsị, ma nwee ike iguzogide nnukwu ibu na nrụgide. 2. Ezi ike: inwe ezigbo ike na mmetụta siri ike, nwee ike ịnọgide na-arụ ọrụ kwụsiri ike n'okpuru mmetụta ma ọ bụ ibu vibration. 3. Ezigbo nguzogide corrosion: Ọ nwere ezigbo nguzogide corrosion na enwere ike iji ya na gburugburu iru mmiri na corrosive. 4. Nrụ ọrụ nhazi dị mma: 09G2S ígwè dị mfe ịkpụ, weld, na oyi na-atụ, dabara maka usoro nhazi dị iche iche. N'ozuzu, ọkọlọtọ Russia 09G2S ígwè nwere ike dị elu, ezigbo weldability na siri ike, ọ dịkwa mma maka injinia Structural chọrọ ike dị elu na nguzogide corrosion.

Ntụnyere

Ndị a bụ ụfọdụ nchara yiri 09G2S, nke nwere ike inwe ụfọdụ myirịta na 09G2S na arụmọrụ na iji:

Q235B: Q235B bụ carbon structural ígwè na Chinese ọkọlọtọ GB / T 700-2006, nke nwere ezi weldability, processability na siri ike. A na-eji ya n'ọtụtụ ebe na-ewu, àkwà mmiri, n'ichepụta igwe na ubi ndị ọzọ, na nwere myirịta na 09G2S na ụfọdụ akụkụ nke arụmọrụ.

ASTM A36: ASTM A36 bụ carbon structural steel na ọkọlọtọ America, nke nwere ụfọdụ myirịta na Q235B na arụmọrụ. A na-ejikarị ya eme ihe n'ichepụta akụrụngwa n'ihe owuwu, nrụpụta na mpaghara ndị ọzọ.

S235JR: S235JR bụ carbon structural ígwè na European ọkọlọtọ EN 10025-2, nke yiri Q235B na ASTM A36 na arụmọrụ. A na-ejikarị ya eme ihe na-ewu ụlọ, n'ichepụta igwe na mpaghara ndị ọzọ.

A572 Grade 50: Nke a bụ ígwè arụ ọrụ dị ala dị elu na ọkọlọtọ America, nke nwere ezigbo weldability na nguzogide corrosion. A na-ejikarị ya eme ihe na àkwà mmiri, ịrụ ọrụ na ígwè ọrụ dị arọ.

S355JR: S355JR bụ obere alloy elu-ike structural ígwè na European ọkọlọtọ EN 10025-2, nke kwesịrị ekwesị maka owuwu, ígwè na pipeline.

Rịba ama na ọ bụ ezie na ígwè ndị a na-ekerịta ụfọdụ myirịta na 09G2S n'ihe gbasara akụrụngwa na ojiji, enwere ike inwe ọdịiche dị na nhazi kemịkalụ kpọmkwem, ihe eji arụ ọrụ na nhazi nhazi. Mgbe ị na-ahọrọ igwe kwesịrị ekwesị, a na-atụ aro ka ị dabere na nhọrọ injinịa chọrọ, nkọwa ọkọlọtọ na ndụmọdụ ndị nrụpụta.