Chọpụta nkọwapụta na nha nke ngwa igwe eji agba ígwè ọkụ na-ekpo ọkụ.
ASTM A992 Hot Rolled Steel Coil – Elu Ike Structural Steel maka Owuwu
| Ọkwa Ihe Ọkọlọtọ | Ike Mwepụta |
| ASTM A992 Hot Rolled Steel Coils | ≥345 MPa |
| Nha | Ogologo |
| Ọkpụrụkpụ: 1.5 - 25 mm; Obosara: 1000 - 2500 mm; Ibu eriri: 5-25 tọn | Ihe ngwaahịa; ogologo ahaziri ahazi dị |
| Nnweta nha | Asambodo Ogo |
| Ọkpụrụkpụ: ±0.15 mm ruo ±0.30 mm, Obosara: ±3 mm ruo ±10 mm | ISO 9001: 2015, Akụkọ Nnyocha SGS / BV nke Ndị Ọzọ / Intertek |
| Ọgwụgwọ Elu | Ngwa |
| A na-akpọgharị ya ọkụ, a na-akpọchapụ ya ma tee ya mmanụ, yana mkpuchi mgbochi nchara nhọrọ | Ihe owuwu, àkwà mmiri, arịa nrụgide, ígwè nhazi |
ASTM A992 Hot Rolled Steel Coil – Ihe mejupụtara kemịkalụ (Coil Ígwè a na-akpọ Hot Rolled)
| Ihe | Oke nkịtị | Ihe ndetu |
| Kabọn (C) | 0.23 kachasị | Na-enye ike na ike |
| Manganese (Mn) | 0.50–1.50 | Na-eme ka ike na nkwụsi ike dịkwuo mma |
| Fọshọrọs (P) | 0.035 kachasị | Obere P na-ebelata mmebi |
| Sọlfọ (S) | 0.04 kachasị | Obere S na-eme ka ductility dịkwuo mma |
| Silikọn (Si) | 0.40 kachasị | Ike na iguzogide oxidation |
| Kọpa (Cu) | 0.20 kachasị | Na-eme ka iguzogide nchara dịkwuo mma (nhọrọ) |
| Nickel (Ni) | 0.20 kachasị | Nhọrọ, maka ike |
| Chromium (Cr) | 0.20 kachasị | Nhọrọ, na-eme ka ike dịkwuo mma |
| Vanadium (V) | 0.05 kachasị | Ihe na-eme ka microalloy dị mma, na-eme ka ike dịkwuo mma |
| Titanium (Ti) | 0.02–0.05 | Nhọrọ, na-eme ka nhazi ọka dịkwuo mma |
ASTM A992 Hot Rolled Steel Coils– Njirimara Mechanical (Ọkpọkọ ígwè a na-akpọgharị ọkụ)
| Akụ na ụba | Uru nkịtị | Ihe ndetu |
| Ike Mmepụta (YS) | 345 MPa (50 ksi) nkeji | Nsogbu nke ígwè na-amalite ịgbanwe site na plastik |
| Ike nrụgide (TS) | 450–620 MPa (65–90 ksi) | Nrụgide kachasị elu nke ígwè nwere ike idi tupu ọ gbawaa |
| Ogologo | 18–21% | A tụrụ ya karịa 200 mm ma ọ bụ 50 mm ogologo nha, na-egosi ductility |
| Modulu nke Elasticity | 200 GPA | Ọkọlọtọ maka ígwè carbon/ala alloy |
| Isi ike (Brinell) | 130–180 HB | Nhazi dị nso maka ígwè a na-akpọgharị ọkụ |
Ihe ndị e dere:
- Okpokoro a na-akpọgharị ọkụ na-eme ka ọkpụrụkpụ otu na ịdị mma elu dị mma.
- Dabara adaba maka ngwa owuwu, owuwu, mmepụta ihe, na ụlọ ọrụ mmepụta ihe.
- Ọ dị mfe ịgbado ọkụ ma sie ike, nke na-eme ka ọ dị mfe iji maka ọrụ injinia.
Pịa bọtịnụ dị n'aka nri
1. Iwulite Nhazi Ihe owuwu
Ụlọ elu dị elu na ebe azụmaahịa dị iche iche
Okpokoro ihe owuwu ígwè maka ụlọ ọrụ mmepụta ihe na ụlọ nkwakọba ihe
Ogidi, ogwe osisi, na sistemụ nkwado
2. Ọrụ Akụrụngwa
Àkwà mmiri (ogidi, ihe owuwu nkwado, na ihe ndị mejupụtara oche)
Mgbanwe okporo ụzọ na viaducts
Ọdụ ụgbọ okporo ígwè na ikpo okwu obodo
3. Ihe owuwu ígwè
Ogwe H na ogwe I a gbanyere agbatị
Efere ígwè maka imepụta ihe owuwu
Akụkụ na modulu ígwè dị arọ
4. Nhazi akụrụngwa ụlọ ọrụ mmepụta ihe
Ụlọ ọrụ ike ígwè
Okpokoro nkwado osisi petrochemical
Isi ígwè dị arọ na nyiwe
5. Ụlọ Ọrụ Njem na Ngwa Ọrụ
Ọdụ na ebe a na-echekwa ihe n'ọdụ ụgbọelu
Ọdịdị ígwè na ọdụ ụgbọ mmiri
Ụlọ nkwakọba ihe na ebe nkesa ngwa ahịa
1) Alaka Ụlọọrụ - Nkwado ndị na-asụ Spanish, enyemaka maka iwepụ omenala, wdg.
2) Ihe karịrị tọn 5,000 nke ngwaahịa dị na ngwaahịa, yana ọtụtụ nha dị iche iche
3) Ndị otu ikike dịka CCIC, SGS, BV, na TUV na-enyocha ya, yana nkwakọ ngwaahịa kwesịrị ekwesị maka mmiri.
Ibu Ibu Ukwu
Ọ dị mma maka ibu buru ibu. A pụrụ itinye mpịakọta ozugbo n'ụgbọ mmiri ma ọ bụ tinye ha n'otu ebe. A ga-etinye ute ndị na-anaghị amị amị n'ala na n'elu mpịakọta ndị ahụ. A ga-eji osisi ma ọ bụ waya kewaa mpịakọta ndị ahụ ma chebe ha pụọ na ifufe na mmiri ozuzo site na iji akwa ákwà ma ọ bụ mmanụ na-egbochi nchara.
Uru: Ike ibu ibu dị elu, ọnụ ala dị ala.
Rịba ama: Ọ chọrọ ngwa ọrụ pụrụ iche maka ibuli ihe. A ghaghị igbochi mmetọ ma ọ bụ mmebi elu mgbe a na-ebuga ya.
Ibu E Ji Akpa Ngwungwu Mee
Ọ dị mma maka obere ibu ruo na nke ọkara. A na-etinye mpịakọta n'ime akpa ahụ ma gwọọ ha maka igbochi mmiri na nchara; enwere ike itinye ihe mkpofu n'ime akpa ahụ.
Uru: Na-enye nchebe ka mma, dị mfe ijikwa.
Ihe ọghọm: Ọnụ ego dị elu, mbelata ikike akpa.
Q1: Kedu ihe eji eme ígwè ASTM A992?
A na-ejikarị ígwè ASTM A992 eme ihe n'ihe owuwu dịka okpokolo na ihe owuwu ụlọ, ụlọ ọrụ mmepụta ihe, na imepụta ihe owuwu ígwè dị arọ. Ọ dabara nke ọma maka ịgbado ọkụ H-beam na I-beams.
Q2: Kedu uru nke ígwè ASTM A992?
ASTM A992 ígwè nwere ike mmepụta dị elu, ezigbo ductility, ezigbo weldability, na ihe ndị kwụsiri ike, na-eme ka ọ dịrị mfe iguzogide ibu na nhọrọ zuru oke maka ígwè na-ebu ibu.
Q3: Enwere m ike ịgbado ọkụ ma hazie ígwè ASTM A992?
Ee. E ji ígwè A992 mee ya nke ọma, ọ na-eme ka ịgbado ọkụ ngwa ngwa, sie ike, na nke a pụrụ ịtụkwasị obi n'oge a na-arụ ya, ebe ọ na-enyere aka ibelata oge nhazi ya.
Q4: Kedu ụlọ ọrụ na-eji eriri ígwè ASTM A992 a na-akpọ ọkụ?
ASTM A 992 ígwè coils nwere ọtụtụ ojiji n'ụlọ ọrụ, ọkachasị n'ihe owuwu, akụrụngwa (àkwà mmiri na njem ụgbọ okporo ígwè), imepụta akụrụngwa ụlọ ọrụ mmepụta ihe, ebe a na-echekwa ihe, na ọrụ ike (dịka ike na petrochemicals), ebe enwere nnukwu ọchịchọ.
Q5: Kedu ihe bụ usoro ọkọnọ gị na nkwakọ ngwaahịa mbupụ?
Ngwugwu mbupụ nkịtị gụnyere: 1) Ngwugwu mmiri na-adịghị amị amị dabere na obosara na ọkpụrụkpụ nke ígwè ahụ; 2) Itinye mmanụ mgbochi nchara (dịka ihe ndị ahịa chọrọ si dị); 3) Ime ka pallet osisi ma ọ bụ fremu ígwè sie ike. Nke a na-eme ka mbupu ibu na ibu buru ibu dị mfe.
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