ASTM A500 Grade C LSAW Steel Pipe: Ike Mmepụta na Nkọwapụta Ngwaahịa

Nkọwa Dị Mkpirikpi:

Womic Steel na-enye paịpụ ígwè ASTM A500 Grade C LSAW dị elu maka ngwa nhazi nke chọrọ ike dị elu karịa Grade B. Grade C na-enye ike mmepụta kacha nta nke 345 MPa (50,000 psi) na ike nrụgide kacha nta nke 485 MPa (70,300 psi), na-eme ka ọ bụrụ nhọrọ kachasị mma maka ogidi ụlọ, trusses àkwà mmiri, ụlọ elu nnyefe, na nkwado ngwa dị arọ. Usoro LSAW gụnyere JCOE, UOE, na ụzọ ịgbado efere a kpụrụ akpụ, na-enye akwa ogologo kwụ ọtọ yana nkwụsi ike dị mma. Maka nnukwu dayameta ma ọ bụ ọkpọkọ owuwu mgbidi dị arọ (ruo ọkpụrụkpụ mgbidi 80mm), Womic na-eji mpịakọta efere na ịgbado arc dị iche iche. Dayameta mpụga site na 219mm ruo 2,500mm (8″ – 98″), ọkpụrụkpụ mgbidi site na 5.0mm ruo 80mm, ogologo ruo 24m. Asambodo igwe, ule ultrasonic 100% (njikọ weld), njedebe beveled ma ọ bụ larịị, yana mkpuchi mgbochi corrosion (primer, epoxy, galvanizing ọkụ-mip). Dabara adaba maka iwuli fremu, eriri akwa, krenu booms, trusses ámá egwuregwu, ụkwụ ụlọ elu nnyefe, ụlọ elu dị n'elu mmiri, na ikpo okwu ụlọ ọrụ mmepụta ihe.

Nha Paịpụ ígwè LSAW:Dayameta Mpụta: 219mm – 2,500mm (8″ – 98″), Ọkpụrụkpụ Mgbidi: 5.0mm – 80mm (JCOE/UOE kacha 50.8mm, efere a kpụrụ akpụ kacha 80mm), Ogologo: 6m – 18m ọkọlọtọ, ogologo omenala ruo 24m

Ọkọlọtọ na ọkwa nke LSAW Steel Pipe:ASTM A500 Ọkwa B, Ọkwa C; nakwa ASTM A53 GR.B (ngwa nhazi); ASTM A252 Ọkwa 2, Ọkwa 3 maka ịchịkọta ihe

Ojiji nke LSAW Steel Pipe:Ogidi na ogwe osisi owuwu, eriri na diagonal nke truss bridge, ụkwụ ụlọ elu nnyefe (lattice na monopole), booms na outriggers, trusses ụlọ ámá egwuregwu, modulu dị n'elu mmiri, nkwado ikpo okwu ụlọ ọrụ mmepụta ihe, fremu akụrụngwa dị arọ, ogwe akara na ọkụ, ihe nkwado na fremu owuwu

Womic Steel na-enye ọnụahịa dị elu ma dị mma nke paịpụ ígwè ASTM A500 Grade C LSAW, paịpụ nhazi a kpara akpa oyi, paịpụ nhazi gburugburu JCOE, paịpụ nhazi mgbidi dị arọ. Asambodo igwe ọkụ EN 10204 3.1, nyocha njikọta UT, njedebe beveled/plain, mkpuchi mgbochi corrosion dị. Enwere ike inye ya ozugbo n'ụlọ ọrụ mmepụta ihe maka ọrụ owuwu na injinịa n'ụwa niile.

Zitere anyị ozi-e Nkọwapụta Ngwaahịa

Nkọwa Ngwaahịa

Akara Ngwaahịa

1. Womic Steel: Ike Mmepụta na Ike Ụlọ Ọrụ

Womic Steel Group na-arụ ọrụ ọtụtụ usoro mmepụta LSAW nke nwere ike imepụta paịpụ nhazi ASTM A500 Grade C. A500 Grade C bụ tube nhazi ígwè carbon nke a kpara akpa oyi (“oyi kpụrụ” na-ezo aka na okpomọkụ nhazi, ọ bụghị ọgwụgwọ okpomọkụ mgbe a kpara akpa). Usoro LSAW dị mma maka akụkụ nhazi gburugburu buru ibu karịa ikike ERW ma ọ bụ igwe igwe na-enweghị ntụpọ.

●Ahịrị JCOE:Maka dayameta nke 406mm – 1,422mm (16″–56″), ọkpụrụkpụ mgbidi ruo 50.8mm. Dabara adaba maka ogidi owuwu na ihe ndị mejupụtara akwa akwa.

● Ahịrị UOE:Maka dayameta nke 508mm – 1,220mm (20″–48″), ọkpụrụkpụ mgbidi ruo 40mm. Na-emepụta gburugburu dị elu maka ígwè owuwu ụlọ a na-ekpughe.

● Efere a kpụkọrọ akpụkọ (Otu ihe e ji akwakọta otu):Maka dayameta nke 600mm – 2,500mm (24″–98″), ọkpụrụkpụ mgbidi site na 25mm ruo 80mm. Ọ dị mma maka ogidi mgbidi dị arọ na ụkwụ ụlọ elu nnyefe.

● Efere a kpụkọrọ akpụkọ (Akwa abụọ):Maka dayameta nke 1,200mm – 2,500mm (48″–98″), ọkpụrụkpụ mgbidi ruo 80mm.

Ngụkọta ikike LSAW karịrị tọn 300,000 kwa afọ, yana mmepụta A500 Grade C karịrị tọn 80,000 kwa afọ. Womic Steel nwere ISO 9001, ma nwee ike inye nyocha nke ndị ọzọ site na SGS, BV, TÜV. E nyere ọtụtụ puku tọn A500 Grade C maka ọrụ akụrụngwa US (àkwà mmiri, ámá egwuregwu, na ụlọ ọrụ mmepụta ihe).

Mgbanwe Mmepụta maka A500 Klas C:

JCOE: 406–1,422mm OD × 5.0–50.8mm WT × ≤ 18m

UOE: 508–1,220mm OD × 5.0–40.0mm WT × ≤ 24m

Efere a gbagọrọ agbagọ (otu ihe e ji akwa): 600–2,500mm OD × 25–80mm WT × ≤ 18m

Efere a gbagọrọ agbagọ (agbụ abụọ): 1,200–2,500mm OD × 25–80mm WT × ≤ 18m

A pụrụ inye paịpụ ndị ahụ ihe mkpuchi primer (epoxy bara ọgaranya na zinc, 40-80 microns), gba ọtọ (a na-ete mmanụ), ma ọ bụ ihe e ji ekpo ọkụ mee.

2. ASTM A500 Ọkwa C: Ihe mejupụtara ihe na njirimara arụmọrụ

ASTM A500 Grade C bụ ọkwa ike kachasị elu na nkọwapụta A500 maka ọkpọkọ ígwè carbon a kpara akpa oyi. Ike mmepụta kacha nta bụ 345 MPa (50,000 psi) na ike nrụgide nke 485 MPa (70,300 psi). Ọ dị ihe dị ka 25% ike karịa Grade B (mkpụrụ 290 MPa, tensile 400 MPa). A na-akọwapụta Grade C maka ngwa nhazi ibu arọ.

Ihe mejupụtara kemịkalụ (oke pasent site na oke - ASTM A500 anaghị enye iwu oke siri ike, mana oke ndị a na-ahụkarị):

Ihe	ASTM A500 Ọkwa C (nhazi a na-ahụkarị)	Njikwa Ụmụ Nwanyị
C	Oke kachasị 0.23 (nke a na-ahụkarị bụ 0.20-0.23)	0.20-0.23
Mn	Oke kachasị 1.35 (ihe a na-ahụkarị bụ 1.10-1.30)	1.15-1.30
P	0.035 kachasị	≤ 0.030
S	0.035 kachasị	≤ 0.025
Si	Oke kachasị 0.30 (nke a na-ahụkarị)	0.15-0.30

Njirimara Mekaniki (Okpomọkụ Ụlọ):

Akụ na ụba	ASTM A500 Ọkwa C
Ike Nnyefe (nkeji) maka ọkpọkọ gburugburu	345 MPa (50,000 psi)
Ike nrụgide (nkeji)	485 MPa (70,300 psi)
Ogologo (nkeji) maka ọkpọkọ gburugburu - nha 50mm	Pasentị iri abụọ na otu
Ogologo (nkeji) maka ọkpọkọ gburugburu - nha 200mm	13%

Ntụnyere ya na A500 Grade B na A53 GR.B:

Ọkwa	MPa nke mmeli	MPa nrụgide	Ngwa nkịtị
ASTM A53 GR.B	240	415	Nhazi izugbe, ike dị ala
ASTM A500 Ọkwa B	290	narị anọ	Ọdịdị ike etiti
ASTM A500 Ọkwa C	345	485	Ibu dị arọ, usoro siri ike

Ike dị elu nke ọkwa C na-enye ohere maka mgbidi dị gịrịgịrị ma ọ bụ ikike ibu ibu dị elu ma e jiri ya tụnyere ọkwa B.

3. Nrubeisi na Nrubeisi nke Oke na Ụkpụrụ

ihe	Nkọwapụta
Ọkọlọtọ	ASTM A500 Ọkwa B, Ọkwa C
Usoro Mmepụta	JCOE, UOE, efere a kpụrụ akpụ (otu/ugboro abụọ)
Oke Dayameta Mpụta	219mm – 2,500mm (8″ – 98″)
Oke ọkpụrụkpụ mgbidi	JCOE/UOE: 5.0mm – 50.8mm; Efere a kpụrụ akpụ: 25mm – 80mm
Ogologo Ogologo	Ọkọlọtọ: 6m, 12m, 18m; agbatịkwuru: ruo 24m
Ọgwụgwụ Ọgwụgwụ	Ngwụcha Dị larịị (PE), Ngwụcha Beveled (BE), ma ọ bụ akụkụ anọ mbepụ
Mmecha Elu	Gbara (mmanụ), Ojii, Primer kpuchiri, Hot-mikpuo galvanized
Ndozi (ASTM A500)	OD: ±0.5% maka nkenke; WT: ±10%; Ogologo: ±25mm (maka mkpụcha ọkọlọtọ)
Ịkwụ ọtọ	≤ 0.2% nke ogologo
Enweghị gburugburu	≤ 2% (ọkọlọtọ nhazi)

Nkwenye ASTM A500 adịghị oke njọ karịa API 5L, nke na-eme ka mmepụta LSAW buru ibu dịkwuo mma maka ngwa nhazi.

4. Nha na nkọwapụta dị - ASTM A500 Grade C LSAW Steel Pipe (Nha ndị a họọrọ)

OD (mm)	Nhọrọ WT (mm)	Usoro	Ibu dị ihe dịka (kg/m)	Ogologo Ọkọlọtọ	Ngwa nkịtị
219	5.0, 6.0, 8.0, 10.0, 12.5	JCOE	26.4 – 63.6	12m	Kọlụm ụlọ
273	6.0, 8.0, 10.0, 12.5, 14.0	JCOE	39.5 – 89.4	12m / 18m	Kọd nke akwa mmiri
324	8.0, 10.0, 12.5, 14.0, 16.0	JCOE	62.4 – 121.5	12m / 18m	Ụlọ elu nnyefe
406	8.0, 10.0, 12.5, 14.0, 16.0, 20.0	JCOE/UOE	78.5 – 190.4	12m / 18m	Mmalite kreen
508	10.0, 12.5, 14.0, 16.0, 20.0, 25.0	UOE	122.8 – 297.8	12m / 18m / 24m	Ọdụ ámá egwuregwu
610	12.5, 14.0, 16.0, 20.0, 25.0, 30.0	UOE	184.2 – 429.1	12m / 18m	Ogidi dị arọ
711	14.0, 16.0, 20.0, 25.0, 30.0, 35.0	JCOE/UOE	240.7 – 583.5	12m / 18m	Oke osimiri
813	16.0, 20.0, 25.0, 30.0, 35.0, 40.0	JCOE	314.4 – 762.7	12m / 18m	Agba nke àkwà mmiri
914	20.0, 25.0, 30.0, 35.0, 40.0, 45.0	JCOE/Akpụkpọgharị	441.0 – 964.8	12m / 18m	Etiti ụlọ ọrụ mmepụta ihe
1,016	20.0, 25.0, 30.0, 35.0, 40.0, 50.0	Akpọchiri akpọchi	491.3 – 1,191.7	12m	Monọpolụ nnyefe
1,220	25.0, 30.0, 35.0, 40.0, 50.0, 60.0	Akpọchiri akpọchi	736.5 – 1,716.9	12m	Ụlọ ọrụ mmepụta ihe dị arọ
1,422	30.0, 35.0, 40.0, 50.0, 60.0, 70.0	Akpọchiri (otu)	1,030 – 2,335	12m	Nhazi mega
1,600	35.0, 40.0, 50.0, 60.0, 70.0, 80.0	Akpọchiri (okpukpu abụọ)	1,350 – 3,000	12m	Ọrụ pụrụ iche
2,000	40.0, 50.0, 60.0, 70.0, 80.0	Akpọchiri (okpukpu abụọ)	1,933 – 3,784	12m	Ihe owuwu ụlọ
2,500	50.0, 60.0, 70.0, 80.0	Akpọchiri (okpukpu abụọ)	3,023 – 4,766	12m	Ihe ncheta

Maka ojiji nhazi, enweghị oke nha, nke na-eme ka mmepụta dịkwuo ọnụ ala. Maka ígwè e ji arụ ụlọ a na-ekpughe, a na-atụ aro ka e jiri igwe e ji agwakọta ihe na mkpuchi praịmarị mee ihe.

5. Ụkpụrụ na Ọkwa Ndị A Na-ahụkarị – Tubes Gburugburu Nhazi (LSAW)

Ọkọlọtọ	Ọkwa ígwè	Ngwa nkịtị	Usoro Nhazi
ASTM A500	Klas B, Klas C	Okpokoro ụlọ, àkwà mmiri, na ụlọ elu	JCOE/UOE/Akpụkpọgharị
ASTM A53	GR.B	Nhazi izugbe, ike dị ala	JCOE
ASTM A252	Klas nke Abụọ, Klas nke Atọ	Ịkpọkọ (nakwa nhazi)	JCOE/Akpụkpọgharị
EN 10219	S355JRH, S355J2H	Ọdịdị ihe owuwu nke Europe	JCOE/Akpụkpọgharị
CSA G40.21	350W, 350WT	Usoro ihe owuwu nke Canada	JCOE
AS/NZS 1163	C350L0, C450L0	Ihe owuwu nke Australia	JCOE

Nchịkọta ojiji:Ogidi ụlọ, ihe ndị mejupụtara akwa mmiri, ụkwụ ụlọ elu nnyefe, booms kreen, trusses elu ụlọ egwuregwu, elu mmiri, ikpo okwu ụlọ ọrụ mmepụta ihe.

6. Usoro Mmepụta - LSAW maka ASTM A500 Grade C Structural Pipe

Maka ojiji nhazi, ịdị mma nke ịgbado ọkụ ga-adị mma, mana mgbe ụfọdụ a na-achọ mma (profaịlụ ịgbado ọkụ dị nro). Mgbasa igwe bụ nhọrọ.

Usoro JCOE (406–1,422mm OD, 5.0–50.8mm WT):

● Nhazi usoro JCO ọkọlọtọ

● Ịgbado ọkụ SAW n'ime na n'èzí

● Mgbasawanye igwe (nhọrọ - na-eme ka gburugburu dị mma maka ihe owuwu a na-ahụ anya)

● Ịcha ihe e ji agbakọta ihe (ihe e ji agba nchara mee)

● Dabara adaba maka ọtụtụ ngalaba nhazi

Usoro UOE (508–1,220mm OD, 5.0–40mm WT):

● U-press + O-press nwere mgbasawanye

● Na-emepụta paịpụ gburugburu nke ukwuu - ọ dị mma maka ojiji ụlọ ndị a na-ekpughere ekpughe

● Ọdịdị ịgbado ọkụ na-agbanwe agbanwe

Efere a kpụkọrọ akpụkọ (Otu ihe e ji akwa ákwà) maka Mgbidi Dị Ike (600–2,500mm OD, 25–80mm WT):

● Mpịakọta anọ na-agbagọ n'ime silinda

● Ịgbado ọkụ SAW ogologo oge (ọtụtụ-pass maka mgbidi dị arọ)

● Enweghị mgbasawanye - ovality ruo 1-2% a na-anabata maka nhazi

● A na-eji ya eme ihe maka ogidi mgbidi dị arọ na nnukwu eriri truss

Nhọrọ imecha mgbe weld gasịrị:

● Ịkpụcha ihe e ji agwakọta ihe:Maka ígwè e ji ihe owuwu rụọ, anyị na-egweri mkpuchi weld ahụ.

● Mkpuchi praịmarị:Ụkpụrụ epoxy praịma nke Zinc bara ụba (40-80 microns) maka nchebe nchara.

● Mkpọchi ọkụ:Enwere ike iji ọkpọkọ ọkpọkọ zuru oke (ogologo kachasị bụ 12.5m).

7. Usoro Njikwa na Nnwale Ogo maka ASTM A500 Grade C LSAW Steel Pipe

Ogbo egwuregwu	Usoro Nnyocha	Ebumnuche
Efere	Nnyocha Kemịkalụ	Nyochaa nrubeisi (oke C, Mn, P, S)
Efere	Ule Nrụgide	Lelee mmụba ≥ 345 MPa, nrụgide ≥ 485 MPa
N'ime usoro	Akụkụ (OD, WT)	Hụ na nrubeisi bụ isi
Njikọ njikọta	Nnwale Ultrasonic (100% maka ihe owuwu dị mkpa, ntụpọ maka izugbe)	Chọpụta ntụpọ weld
Njikọ njikọta	Nnwale redio (ebe - 5-10% dịka onye ahịa si chọọ)	Ogo ịgbado ọkụ
Njikọ njikọta	Nnyocha Ngwakọta Magnetik (nhọrọ)	Nchọpụta mgbawa elu
Paịpụ emechara	Nnwale Ịkwanye Ọkụ (achọrọ dịka ASTM A500 si dị)	Ahụ ọkpọkọ na njikwa weld
Paịpụ emechara	Nnwale Nduzi nke Nduzi (weld)	Njikọta weld
Paịpụ emechara	Anya na Akụkụ	Elu, ịdị larịị, akara

Maka ASTM A500, ule ime ka ọ dị larịị dị mkpa: a ga-eme ka akụkụ nke paịpụ dị larịị ruo 1/3 nke dayameta mbụ (ma ọ bụ ịgbado ọkụ ma ọ bụrụ na ịgbado ọkụ dị na ọnọdụ 90°). A gaghị ekwe ka mgbawa ma ọ bụ mgbawa gbawaa.

8. Ngwa Ndị Isi – ASTM A500 Grade C LSAW Steel Pipe

●Ogidi owuwu- Ụlọ elu dị elu, ogidi ụlọ ọrụ mmepụta ihe

● Krọd na diagonal nke akwa truss- Àkwà mmiri Arch, àkwà mmiri truss, àkwà mmiri ndị na-eje ije

● Ụkwụ ụlọ elu nnyefe- Ụkwụ ụlọ elu lattice (ụkwụ nkuku nwere akụkụ tubular), ntọala monopole

● Kreen booms na outriggers- Ndị otu ihe owuwu crane mkpanaka, mast crane ụlọ elu

● Akụ̀ ụlọ ámá egwuregwu- Nnukwu trusses, fremu oghere

● Modulu ndị dị n'elu mmiri- Ụkwụ nkwado oche, nkwado na nyiwe mmanụ / gas

● Nkwado ikpo okwu ụlọ ọrụ mmepụta ihe- Ebe a na-adọba ọkpọkọ, ihe nkwado akụrụngwa, ogidi mezzanine

● Ogidi akara na ogwe ọkụ- Ogidi gburugburu buru ibu maka okporo ụzọ na ámá egwuregwu

● Eserese akụrụngwa dị arọ- Ndị otu nhazi akụrụngwa nke igwe

● Ịkwado ihe ndị dị n'ime osisi ihe owuwu- Nkwado diagonal maka iguzogide ala ọma jijiji

9. Nkwakọ ngwaahịa na Mbupu - ASTM A500 Grade C LSAW Steel Pipe

Nkwakọ ngwaahịa:

● Obere dayameta (≤ 610mm): Ejiri eriri ígwè (ton 5-10 kwa ngwugwu) kee ya na ihe nchebe n'akụkụ

● Dayameta buru ibu (> 610mm): Paịpụ nke ọ bụla nwere dunnage osisi

● Paịpụ ndị e ji ihe owuwu rụọ: A na-etinye ya na ihe mkpuchi plastik iji chebe mkpuchi praịmarị

● Mkpuchi njedebe: Mkpuchi plastik iji gbochie ihe ndị mebiri emebi ịbanye (ọ bụrụ na ọ dị mkpa maka imecha ya)

Mbupu:

● Akpa maka obere dayameta na ogologo dị mkpụmkpụ (≤ 12m)

● Ngwa agha ndị buru ibu maka nnukwu dayameta (> 1,000mm) na mgbidi dị arọ

● Rak ndị dị larịị maka paịpụ ndị dị ogologo (ruo mita 24)

● Ụgbọ okporo ígwè ma ọ bụ gwongworo maka nnyefe n'ime obodo

Akwụkwọ:Asambodo Nnwale Ụlọ Ọrụ (EN 10204 Ụdị 3.1), akụkọ nha, akụkọ UT (ọ bụrụ na akọwapụtara ya), akụkọ nnwale dị larịị, ndepụta ngwugwu, akwụkwọ ọnụahịa azụmahịa, COO.

10. Uru na Ajụjụ Ndị A Na-ajụkarị Banyere Womic Steel – ASTM A500 Grade C LSAW Steel Pipe

Gịnị kpatara Womic Steel ji dị ka ASTM A500 Grade C?

● Nnukwu dayameta ruo 2,500mm (98″) - zuru oke maka ogidi dị arọ na monopoles nnyefe

● Mgbidi dị arọ ruo 80mm - maka ndị otu nhazi dị elu

● Nhọrọ ịkpa ákwà maka ígwè e ji arụ ụlọ a na-ekpughe

● Mkpuchi praịmarị na galvanizing dị

● A nabatara nyocha nke ndị ọzọ (SGS, BV, TÜV)

● Ọnụ ahịa asọmpi maka nnukwu ọrụ akụrụngwa

Ajụjụ Ndị A Na-ajụkarị:

Ajụjụ: Kedu ihe dị iche n'etiti ASTM A500 Grade C na ASTM A53 GR.B maka paịpụ nhazi?
A: Ọkwa C nwere ike dị elu karịa: 345 MPa mmepụta vs 240 MPa maka A53. Ọkwa C nwekwara ike iguzogide nha siri ike ma chọọ nnwale dị larịị. Maka kọlụm na trusses ndị na-ebu ibu, ọ ka mma ka ọ bụrụ Ọkwa C. A53 GR.B dị mma maka ndị so na ya na ndị na-abụghị ndị dị mkpa.

Q: ASTM A500 ọ chọrọ nnwale mmetụta (Charpy)?
A: Mba. ASTM A500 anaghị enye iwu ka e mee nnwale mmetụta Charpy. Agbanyeghị, maka ojiji okpomọkụ dị ala (dịka ọmụmaatụ, Arctic, ụfọdụ koodu akwa), ndị injinia nwere ike ịgbakwunye ihe mgbakwunye achọrọ. Womic nwere ike inye nnwale mmetụta Charpy na ọnụ ahịa ọzọ (karịsịa na 0°C ma ọ bụ -20°C) ma ọ bụrụ na akọwapụtara ya.

Q: Ị nwere ike inye A500 Grade C na galvanizing ọkụ maka ojiji n'èzí?
A: Ee. Anyị na-enye galvanizing ọkụ dịka ASTM A123 si dị. Ogologo kachasị maka ịsa ahụ galvanizing anyị bụ mita 12.5. Maka paịpụ ndị dị ogologo, anyị nwere ike ịhazi galvanizing nkebi ma ọ bụ tinye mkpuchi ọzọ (poxy nke zinc bara ụba). Biko kọwaa ihe ị chọrọ ogologo.

Q: Kedu ogologo kachasị ị nwere ike imepụta maka ọkpọkọ A500 Grade C LSAW?
A: Ogologo kachasị elu bụ 18m (JCOE) ma ọ bụ 24m (UOE) maka dayameta ≤ 1,220mm. Maka dayameta buru ibu (efere a kpụkọrọ akpụkọ), ogologo kachasị na-abụkarị 12-18m n'ihi oke nha efere. Maka ogologo karịrị 18m, anyị nwere ike ịgbado ọtụtụ ngalaba site na njedebe ruo na njedebe (ịgbado SAW gburugburu). Kpọtụrụ anyị maka ihe ị chọrọ kpọmkwem.

A: Ị na-enyocha paịpụ A500 Grade C nke ndị ọzọ?
A: Ee. Anyị na-arụ ọrụ na SGS, BV, TÜV, na ụlọ ọrụ ndị ọzọ. Nnyocha nwere ike ịgụnye anya na nha, ule dị larịị, UT ma ọ bụ RT nke welds, na nnwale kemịkal/tensile. Anyị na-enye asambodo EN 10204 Ụdị 3.1 dịka ọkọlọtọ; Ụdị 3.2 dị ma ọ bụrụ na achọrọ ya.

Q: Kedu oge ndu nkịtị maka ọkpọkọ nhazi A500 Grade C LSAW?
A: Oge mbufe ọkọlọtọ: ụbọchị 30-45 maka nha JCOE/UOE. Maka mgbidi dị arọ nke efere a kpụrụ akpụ (> 50mm): ụbọchị 45-60. Maka galvanization ọkụ-mikpu: tinye izu 1-2. Maka igwe ịkpakọba weld (mmecha ụlọ): tinye izu 2.

Ntụaka Ọrụ – Ụlọ Elu Nnyefe nke Los Angeles Stadium (USA)

Obodo:Mba Amerịka (Inglewood, California – mpaghara ámá egwuregwu SoFi)
Ọkọlọtọ na ọkwa:ASTM A500 Grade C (nwere mmetụta Charpy agbakwunyere na 0°C)
Akụkụ na Ọnụọgụ:

OD 610mm (24″) × WT 16.0mm – mita 2,400 (ihe dị ka tọn 560) nke usoro UOE mepụtara

OD 813mm (32″) × WT 20.0mm – mita 1,800 (ihe dị ka tọn 700) nke usoro JCOE mepụtara

OD 1,016mm (40″) × WT 25.0mm – mita 900 (ihe dị ka tọn 550) nke e ji otu akwa a kpụkọrọ akpụkọ rụọ

OD 1,220mm (48″) × WT 30.0mm – mita 600 (ihe dị ka tọn 530) nke e ji otu akwa a kpụkọrọ akpụkọ rụọ
Ngụkọta:Mita 5,700 (kilomita 5.7), ihe dị ka tọn 2,340

Nkọwapụta:Ngwụcha dị larịị nwere chamfer (maka ịgbado ọkụ butt), mkpuchi weld (ihe owuwu a na-ahụ anya), mkpuchi epoxy praịmarị bara ụba na zinc (microns 60). Nnwale dị larịị dị mkpa (enweghị mgbawa na 1/3 dayameta ịgbado ọkụ). Nnwale gbagọrọ agbagọ nke a na-eduzi maka ike ịgbado ọkụ. 100% UT nke njikọta weld. Mmetụta ọkụ na 0°C (min 27J, enwetara 60-90J). Nhazi ≤ 0.15% (siri ike karịa ọkọlọtọ A500). Nnyocha nke ndị ọzọ site na SGS USA.

Ngwa:Ụlọ elu nnyefe ihe ịchọ mma na nke bara uru gbara SoFi Stadium na mmepe Hollywood Park na Los Angeles gburugburu. Paịpụ LSAW na-eje ozi dị ka ogidi kwụ ọtọ na ihe nkwado diagonal maka nnukwu ụlọ elu nnyefe ihe owuwu "nnukwu" (ihe dị ka mita 60 n'ịdị elu) nke na-akwado akara ngosi, ọkụ, ma na-ejekwa ozi dị ka ihe nnọchianya ụlọ. Ọrụ ahụ chọrọ ígwè ekpughere nke nwere mmecha dị nro na ọdịdị otu.

Ihe Ịma Aka na Ngwọta Teknụzụ:

● Ígwè e ji ihe owuwu rụọ - igwe e ji weld gwerie ma mechaa ya– A na-ahụ ụlọ elu ndị ahụ site n'ámá egwuregwu na gburugburu ya. Womic mere igwe e ji agwakọta ihe na-akpaghị aka wee jiri aka rụchaa ya iji nweta elu dị larịị (Ra ≤ 6.3μm). Anyị tinyekwara ihe mkpuchi praịmarị otu (epoxy bara ụba na zinc, agba isi awọ dị mfe nke onye na-ese ụkpụrụ ụlọ kwuru). Ndị otu QA nke onye ahịa lere paịpụ ọ bụla anya maka ịdị nro nke ịgbado ọkụ.

● Ihe achọrọ maka mpaghara ala ọma jijiji - ductility na ike– Los Angeles nọ na Nhazi Seismic Category D (ihe egwu dị elu nke ala ọma jijiji). ASTM A500 Grade C anaghị achọ nnwale mmetụta. Onye injinia nhazi ahụ tinyere ihe achọrọ maka mmetụta Charpy nke 27J na 0°C. Efere ndị a họọrọ nke nwere carbon a na-achịkwa (0.20-0.22%) na manganese (1.15-1.25%) ma nweta 60-90J na 0°C, nke karịrị ihe achọrọ.

●Akụkụ buru ibu nke nwere dayameta dị mkpụmkpụ– E nwere ụfọdụ ụkwụ ụlọ elu gbagọrọ agbagọ (dị ka kọn). Womic nyere paịpụ kwụ ọtọ nke onye ọrụ ahụ kpụziri n'ime akụkụ gbagọrọ agbagọ. Anyị nyere njikwa ovality siri ike (≤ 0.5%) iji mee ka usoro ịgbagharị ahụ dị mfe. E jiri ahịrị ntụzịaka mara paịpụ ndị ahụ iji hụ na ịgbakọta ha n'otu ebe.

●Mkpuchi praịmarị maka gburugburu ebe obibi dị n'ụsọ oké osimiri– Ama egwuregwu SoFi dị kilomita ise site na Oke Osimiri Pasifik, ebe a na-ekpughe ihe na-efesa nnu. E tinyere praịma epoxy bara ụba na zinc (micron 60) na paịpụ niile. Mkpuchi ahụ gafere ule mmiri nnu awa 1,000 (ASTM B117) na ihe na-erughị 2mm creep site na scribe. Nchọpụta ezumike na 2kV na-enweghị ọdịda ọ bụla.

●Lọjistik gaa ebe a na-ewu ihe owuwu na-arụ ọrụ– Mmepe Hollywood Park bụ otu n'ime ọrụ owuwu obodo ukwu kachasị na US. A chọrọ ka e bufee paịpụ ukwu 2,340 n'usoro. Womic na-ebuga paịpụ isii n'ime ọnwa asatọ, nke ọ bụla ga-erute tupu e tinye ya. E si Shanghai bufee paịpụ ndị ahụ gaa Port of Los Angeles, wee buru ibu gaa kilomita asatọ n'ebe ahụ. Anyị jiri akpa nchekwa dị larịị maka paịpụ 1,016mm na 1,220mm iji zere mmebi.

●Ihe ndị US chọrọ maka ịzụta Amerịka– Ọrụ a chọrọ ka a hapụ ígwè mba ọzọ n'ihi na ụlọ ọrụ igwe ihe ndị dị n'ime US enweghị ike imepụta dayameta buru ibu (1,220mm) n'ime usoro nhazi ahụ. Womic nyere akwụkwọ zuru oke gụnyere asambodo ụlọ ọrụ ihe, mba ebe a si, na ihe ndị a pụrụ ịchọta. Onye nwe ya kwadoro ka a hapụ ya.

●Nsonaazụ:E mechachara ụlọ elu nnyefe ahụ n'afọ 2022. Ha aghọọla ihe a na-ahụkarị na SoFi Stadium complex. Onye ọrụ nkwekọrịta ahụ kọrọ na paịpụ LSAW niile dabara nke ọma na-enweghị ọrụ ọzọ. Ihe e ji ígwè rụọ nke a na-ahụ anya nwetara otuto site n'aka onye na-ese ụkpụrụ ụlọ. Kemgbe ahụ, a kpọọla Womic Steel ka ọ tinye aka na ọrụ ígwè ndị ọzọ na US.

Kpọtụrụ:
Weebụsaịtị: www.womicsteel.com
Ozi ịntanetị: sales@womicsteel.com

Ekwentị / WhatsApp / WeChat:
Victor: +86 15575100681
Jack: +86 18390957568

Womic Steel – Onye mmekọ gị a pụrụ ịtụkwasị obi maka paịpụ ígwè ASTM A500 Grade C LSAW maka ogidi owuwu, trusses àkwà mmiri, ụlọ elu nnyefe, na ngwa owuwu dị arọ n'ụwa niile.

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