Dhuumaha birta dhisa maraakiibta
Dhuumaha birta badda, oo loo isticmaalo dhisidda maraakiibta iyo kulaylka sare.
Tuubooyinka birta ah ee aan cillad lahayn ee dhismaha maraakiibtaTixraac dhuumaha birta ah ee loogu talagalay lagana sameeyay kuleyliyaha badda, kulaylka sare iyo hababka cadaadiska. Tuubooyinka birta dhismaya waxaa si weyn loogu isticmaali karaa CCS, DNV, LR, GL, ABS, BV, RINA, NK iyo maraakiibta kale iyo sidoo kale heerarka qaranka Shiinaha.
heerka wax soo saarka
320, 360, 410, 460, 490, GL-R 410,37Mn,34CrMo4,A53B,Fasalka 3,410HB,410,RST138,RST142,RST238,RST242,RST2349R,iwm.
Dulqaadka cabbirka
Nooca tuubada birta | dhexroor dibadda ah (D) | Dhumucdiisuna waxay tahay gidaarka birta (S) | ||
Tuubo qabow oo sawiran | Dhexroorka dibadda ee dhuumaha birta (mm) | weecasho la ogolyahay(mm) | Dhumucdiisuna waxay tahay gidaarka birta (mm) | weecasho la ogolyahay(mm) |
>30~50 | ±0.3 | ≤30 | ± 10% | |
>50~219 | ± 0.8% | |||
Tuubo kulul oo duuban | >219 | ± 1.0% | >20 | ± 10% |
Hantida makaanikada
heerka | Darajo | xoog xajin (MPa) | xoog dhalid (MPa) | elongation (%) |
GB/T5312 | 320 | 320-410 | ≥195 | ≥25 |
360 | 360 | 360 ilaa 480 | ≥215 | ≥24 |
410 | 410 | 410-530 | ≥235 | ≥22 |
460 | 460 | 460-580 | ≥265 | ≥21 |
490 | 490 | 490-610 | ≥285 | ≥21 |
Kiimikada la isku qurxiyo
Darajo | Heerka Birta | C | Si | Mn | S | P | Curiyaha haraaga ah | |||||
Heerka | Cr | Mo | Ni | Cu | Wadarta | |||||||
GB/T 5312 | Kaarboon & Kaarboon-Manganese | 320 | ≤0.16 | ≤0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 |
360 | ≤0.17 | ≤0.35 | 0.40-0.80 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 | ||
410 | ≤0.21 | ≤0.35 | 0.40-1.20 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 | ||
460 | ≤0.22 | ≤0.35 | 0.80-1.40 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 | ||
490 | ≤0.23 | ≤0.35 | 0.80-1.50 | ≤0.035 | ≤0.035 | ≤0.025 | ≤0.010 | ≤0.030 | ≤0.30 | ≤0.70 | ||
Bulshada Kala-saarista Shiinaha (CCS) | 1Cr0.5Mo | 440 | 0.10-0.18 | 0.10-0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | 0.70-1.10 | 0.45-0.65 | ≤0.030 | ≤0.25 | Sn≤0.03 Al≤0.02 |
2.25Cr1Mo | 410 | 0.08-0.15 | 0.10-0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | 2.00-2.50 | 0.90-1.20 | ≤0.030 | ≤0.25 | Sn≤0.03 Al≤0.02 | |
490 | 0.08-0.15 | 0.10-0.35 | 0.40-0.70 | ≤0.035 | ≤0.035 | 2.00-2.50 | 0.90-1.20 | ≤0.030 | ≤0.25 | Sn≤0.03 Al≤0.02 |
Bulshada | Heerka ama isticmaalka | Heerka birta | Halabuurka kiimikada,% | |||||||||||
C | Si | Mn | P | S | Cr | Ni | Cu | Al | Mo | V | P+S | |||
GLR | Aan wada ahayn | GL-R 410 | ≤ 0.21 | ≤ 0.35 | ≤ 1.40 | ≤ 0.025 | ≤ 0.020 | - | - | - | ≥0.020 | - | - | - |
GB 18248 | 37Mn | 0.34 ~0.40 | 0.10 ~0.30 | 1.35 ~1.65 | ≤ 0.030 | ≤ 0.030 | ≤ 0.30 | ≤ 0.30 | ≤ 0.20 | - | - | - | ≤ 0.055 | |
EN 10297 | 34CrMo4 | 0.30 ~0.37 | ≤ 0.40 | 0.60 ~0.90 | ≤ 0.035 | ≤ 0.035 | 0.9 ~1.20 | - | - | - | 0.15 ~0.30 | - | - | |
DNV | cadaadiska ASTM A53/A53M | A53B | ≤ 0.30 | - | ≤ 1.20 | ≤ 0.050 | ≤ 0.045 | ≤ 0.40 | ≤ 0.40 | ≤ 0.40 | - | ≤ 0.15 | ≤ 0.08 | - |
ABS | cadaadis | Fasalka 3 | ≤ 0.30 | - | ≤ 1.20 | ≤ 0.050 | ≤ 0.045 | ≤ 0.40 | ≤ 0.40 | ≤ 0.40 | - | ≤ 0.15 | ≤ 0.08 | - |
BV | cadaadis | 410HB | ≤ 0.21 | ≤ 0.35 | 0.40 ~1.20 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - |
LR | cadaadis | 410 | ≤ 0.21 | ≤ 0.35 | 0.40 ~1.20 | ≤ 0.045 | ≤ 0.045 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | - | ≤ 0.10 | - | - |
KR | cadaadis | RST138 | ≤ 0.25 | ≤ 0.35 | 0.30 ~0.90 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - |
RST142 | ≤ 0.30 | 0.30 ~1.00 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - | |||
RST238 | ≤ 0.25 | 0.10 ~0.35 | 0.30 ~1.10 | ≤ 0.035 | ≤ 0.035 | - | - | - | - | - | - | - | ||
RST242 | ≤ 0.30 | 0.30 ~1.40 | - | - | - | - | - | - | - | |||||
RST249 | ≤ 0.33 | 0.30 ~1.50 | - | - | - | - | - | - | - | |||||
RST338 | ≤ 0.25 | 0.30 ~0.90 | - | - | - | - | - | - | - | |||||
RST342 | ≤ 0.30 | 0.30 ~1.00 | - | - | - | - | - | - | - | |||||
NK | cadaadis | fasalka 1 No3/ KSTPG 42 | ≤ 0.30 | ≤ 0.35 | 0.30 ~1.00 | ≤ 0.040 | ≤ 0.040 | - | - | - | - | - | - | - |
CCS | cadaadis | 360 | ≤ 0.17 | ≤ 0.35 | 0.40 ~0.80 | ≤ 0.040 | ≤ 0.040 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | ≤ 0.10 | |||
410 | ≤ 0.21 | ≤ 0.35 | 0.40 ~1.20 | ≤ 0.040 | ≤ 0.040 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | ≤ 0.10 | |||||
460 | ≤ 0.22 | ≤ 0.35 | 0.80 ~1.40 | ≤ 0.040 | ≤ 0.040 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | ≤ 0.10 | |||||
490 | ≤ 0.23 | ≤ 0.35 | 0.80 ~1.50 | ≤ 0.040 | ≤ 0.040 | ≤ 0.25 | ≤ 0.30 | ≤ 0.30 | ≤ 0.10 |
- Cunsurka haraaga ah:Cr≤0.25%, Mo≤0.10%, Ni≤0.30%, Cu≤0.30% wadar≤0.70%
Shirkaddayadu waxay habayn kartaa agabka heerka qaran ee 20 #, Q345B, Q345C, Q345D, Q345E, ASTM/ASME A106 Gr. B, A53 Gr. B, A333 Gr.6, A500 Gr. A, A500 Gr. B, A500 Gr. C iyo heerka Yurub EN10210/EN10219/EN10216 S235JR, S235J0, S235J2, S355JR, S355J0, S355J2, S355NL, S355K2 iyo sidoo kale tuubooyinka birta caadiga ah dibadda ee heerka British, heerka Australian iyo heerka Japan. Tayada alaabadu waa mid la isku halayn karo. Waxa kale oo loo dhoofiyaa dalal iyo gobollo badan oo ku yaal Waqooyiga Ameerika, Koonfurta Ameerika, Yurub, Bariga Dhexe, Koonfur-bari Aasiya, Australia iyo Aasiyada Dhexe. Alaabooyinka waxaa si weyn loogu isticmaalaa injineernimada qaab dhismeedka birta ee kala duwan, injineernimada tamarta nukliyeerka, injineernimada badda, injineernimada buundada dhismaha, mashiinnada injineernimada iyo wax soo saarka qalabka, soosaarka qalabka birta iyo qaybaha kale. Alaabooyinka kale waa: tuubooyinka kululeeyaha cadaadiska sare, tuubooyinka dilaaca saliidda, tuubooyinka xirfadlayaasha bacriminta cadaadiska sare, birta dhuumaha, daboolka saliidda, tuubooyinka birta galvanized kulul, tuubooyinka birta duuban qabow, tuubooyinka profiled, gariiradda birta galvanized, gariiradda birta aluminium zinc iyo kala duwan alaabta taageerta dhuumaha.
Shirkaddu waxay muhiimad gaar ah siisaa tayada badeecadaha, waxayna si aad ah u maalgelisaa soo bandhigida qalab casri ah iyo xirfadlayaal, waxayna u baxdaa dhammaan si ay u daboosho baahiyaha macaamiisha gudaha iyo dibadda.
Waxa ku jira ayaa qiyaas ahaan loo qaybin karaa: Halabuurka kiimikaad, xoogga wax-soo-saarka, xoogga adkaysiga, hantida saamaynta, iwm
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