Marine steel yeeb nkab, siv rau shipbuilding thiab superheater.
Seamless steel kav rau shipbuildingxa mus rau steel kav tsim thiab tsim rau marine boilers, superheaters thiab siab tshuab. Shipbuilding steel kav tuaj yeem siv dav hauv CCS, DNV, LR, GL, ABS, BV, RINA, NK thiab lwm lub nkoj nrog rau Suav teb cov qauv.
Qib ntau lawm
320, 360, 410, 460, 490, GL-R 410, 37Mn, 34CrMo4, A53B, Qib 3,410HB, 410, RST138, RST142, RST238, RST242, RST248, RST3, thiab lwm yam
Dimensional kam rau ua
| Hom steel yeeb nkab | Sab nraud txoj kab uas hla (D) | Phab ntsa thickness ntawm steel yeeb nkab (S) | ||
| Cold draw tube | Sab nraud txoj kab uas hla ntawm cov yeeb nkab steel (mm) | Tso cai sib txawv (mm) | Phab ntsa thickness ntawm steel yeeb nkab (mm) | Tso cai sib txawv (mm) |
| > 30-50 | ± 0.3 | ≤ 30 | ± 10% | |
| > 50-219 | ± 0.8% | |||
| Kub dov raj | > 219 | ± 1.0% | > 20 | ± 10% |
Cov cuab yeej cuab tam
| txheem | Qib | tensile zog (MPa) | yield zog (MPa) | elongation (%) |
| GB / T5312 | 320 | 320-410 Ib | ≥195 | ≥ 25 |
| 360 | 360 | 360-480 Nws | ≥215 | ≥ 24 |
| 410 | 410 | 410-530 Nws | ≥235 | ≥ 22 |
| 460 | 460 | 460-580 Nws | ≥265 | ≥ 21 |
| 490 ib | 490 ib | 490-610 | ≥285 | ≥ 21 |
Tshuaj pleev ib ce
| Qib | Qib Steel | C | Si | Mn | S | P | Cov khoom seem | |||||
| Txuj | Cr | Mo | Ni | Cu | Tag nrho | |||||||
| GB/T 5312 | Carbon thiab Carbon-Manganese | 320 | ≤0.16 | ≤ 0.35 | 0.40-0.70 Nws | ≤ 0.035 | ≤ 0.035 | ≤ 0.025 | ≤ 0.010 | ≤ 0.030 | ≤ 0.30 | ≤ 0.70 |
| 360 | ≤ 0.17 | ≤ 0.35 | 0.40-0.80 Nws | ≤ 0.035 | ≤ 0.035 | ≤ 0.025 | ≤ 0.010 | ≤ 0.030 | ≤ 0.30 | ≤ 0.70 | ||
| 410 | ≤ 0.21 | ≤ 0.35 | 0.40-1.20 Nws | ≤ 0.035 | ≤ 0.035 | ≤ 0.025 | ≤ 0.010 | ≤ 0.030 | ≤ 0.30 | ≤ 0.70 | ||
| 460 | ≤ 0.22 | ≤ 0.35 | 0.80-1.40 Nws | ≤ 0.035 | ≤ 0.035 | ≤ 0.025 | ≤ 0.010 | ≤ 0.030 | ≤ 0.30 | ≤ 0.70 | ||
| 490 ib | ≤ 0.23 | ≤ 0.35 | 0.80-1.50 Nws | ≤ 0.035 | ≤ 0.035 | ≤ 0.025 | ≤ 0.010 | ≤ 0.030 | ≤ 0.30 | ≤ 0.70 | ||
| Tuam Tshoj Classification Society (CCS) | 1 Cr0.5 Mo | 440 | 0.10-0.18 dr hab | 0.10-0.35 dr hab | 0.40-0.70 Nws | ≤ 0.035 | ≤ 0.035 | 0.70-1.10 Nws | 0.45-0.65 Nws | ≤ 0.030 | ≤ 0.25 | Sn≤0.03 Al≤0.02 |
| 2.25Cr1Mo | 410 | 0.08-0.15 dr hab | 0.10-0.35 dr hab | 0.40-0.70 Nws | ≤ 0.035 | ≤ 0.035 | 2.00-2.50 Nws | 0.90-1.20 Nws | ≤ 0.030 | ≤ 0.25 | Sn≤0.03 Al≤0.02 | |
| 490 ib | 0.08-0.15 dr hab | 0.10-0.35 dr hab | 0.40-0.70 Nws | ≤ 0.035 | ≤ 0.035 | 2.00-2.50 Nws | 0.90-1.20 Nws | ≤ 0.030 | ≤ 0.25 | Sn≤0.03 Al≤0.02 | ||
| Lub koom haum | Txheem los yog siv | Qib hlau | chemical muaj pes tsawg leeg,% | |||||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Mo | V | P+S | |||
| GLR | Tsis sib haum | HWV 410 | ≤ 0.21 ib | ≤ 0.35 Nws | ≤ 1.40 Nws | ≤ 0.025 ib | ≤ 0.020 ib | - | - | - | ≥0.020 | - | - | - |
| wb 18248 | 37mn ua | 0.34 ib ~ 0.40 Nws | 0.10 ~ 0.30 Nws | 1.35 Nws ~ 1.65 | ≤ 0.030 Nws | ≤ 0.030 Nws | ≤ 0.30 Nws | ≤ 0.30 Nws | ≤ 0.20 ib | - | - | - | ≤ 0.055 ib | |
| TS EN 10297 | 34 CrMo4 | 0.30 Nws ~ 0.37 | ≤ 0.40 Nws | 0.60 ib ~ 0.90 Nws | ≤ 0.035 ib | ≤ 0.035 ib | 0.9 ~ 1.20 | - | - | - | 0.15 ~ 0.30 Nws | - | - | |
| DNV | Rau siab ASTM A53 / A53M | A53B | ≤ 0.30 Nws | - | ≤ 1.20 | ≤ 0.050 Nws | ≤ 0.045 ib | ≤ 0.40 Nws | ≤ 0.40 Nws | ≤ 0.40 Nws | - | ≤ 0.15 | ≤ 0.08 ib | - |
| ABS | rau siab | Qib 3 | ≤ 0.30 Nws | - | ≤ 1.20 | ≤ 0.050 Nws | ≤ 0.045 ib | ≤ 0.40 Nws | ≤ 0.40 Nws | ≤ 0.40 Nws | - | ≤ 0.15 | ≤ 0.08 ib | - |
| BV | rau siab | 410 HB | ≤ 0.21 ib | ≤ 0.35 Nws | 0.40 Nws ~ 1.20 | ≤ 0.040 ib | ≤ 0.040 ib | - | - | - | - | - | - | - |
| LR | rau siab | 410 | ≤ 0.21 ib | ≤ 0.35 Nws | 0.40 Nws ~ 1.20 | ≤ 0.045 ib | ≤ 0.045 ib | ≤ 0.25 | ≤ 0.30 Nws | ≤ 0.30 Nws | - | ≤ 0.10 | - | - |
| KR | rau siab | RST138 | ≤ 0.25 | ≤ 0.35 Nws | 0.30 Nws ~ 0.90 Nws | ≤ 0.040 ib | ≤ 0.040 ib | - | - | - | - | - | - | - |
| RST 142 | ≤ 0.30 Nws | 0.30 Nws ~ 1.00 Nws | ≤ 0.040 ib | ≤ 0.040 ib | - | - | - | - | - | - | - | |||
| TSW 238 | ≤ 0.25 | 0.10 ~ 0.35 Nws | 0.30 Nws ~ 1.10 | ≤ 0.035 ib | ≤ 0.035 ib | - | - | - | - | - | - | - | ||
| RST 242 | ≤ 0.30 Nws | 0.30 Nws ~ 1.40 Nws | - | - | - | - | - | - | - | |||||
| RST 249 | ≤ 0.33 ib | 0.30 Nws ~ 1.50 | - | - | - | - | - | - | - | |||||
| RST338 | ≤ 0.25 | 0.30 Nws ~ 0.90 Nws | - | - | - | - | - | - | - | |||||
| RST342 | ≤ 0.30 Nws | 0.30 Nws ~ 1.00 Nws | - | - | - | - | - | - | - | |||||
| NK | rau siab | Qib 1 No3/KSTPG 42 | ≤ 0.30 Nws | ≤ 0.35 Nws | 0.30 Nws ~ 1.00 Nws | ≤ 0.040 ib | ≤ 0.040 ib | - | - | - | - | - | - | - |
| CCS | rau siab | 360 | ≤ 0.17 ib | ≤ 0.35 Nws | 0.40 Nws ~ 0.80 Nws | ≤ 0.040 ib | ≤ 0.040 ib | ≤ 0.25 | ≤ 0.30 Nws | ≤ 0.30 Nws | ≤ 0.10 | |||
| 410 | ≤ 0.21 ib | ≤ 0.35 Nws | 0.40 Nws ~ 1.20 | ≤ 0.040 ib | ≤ 0.040 ib | ≤ 0.25 | ≤ 0.30 Nws | ≤ 0.30 Nws | ≤ 0.10 | |||||
| 460 | ≤ 0.22 | ≤ 0.35 Nws | 0.80 ib ~ 1.40 Nws | ≤ 0.040 ib | ≤ 0.040 ib | ≤ 0.25 | ≤ 0.30 Nws | ≤ 0.30 Nws | ≤ 0.10 | |||||
| 490 ib | ≤ 0.23 | ≤ 0.35 Nws | 0.80 ib ~ 1.50 | ≤ 0.040 ib | ≤ 0.040 ib | ≤ 0.25 | ≤ 0.30 Nws | ≤ 0.30 Nws | ≤ 0.10 | |||||
- Cov khoom seem: Cr≤0.25％, Mo≤0.10％, Ni≤0.30％, Cu≤0.30％aggregate≤0.70％
Peb lub tuam txhab tuaj yeem hloov kho cov ntaub ntawv ntawm lub teb chaws tus qauv 20 #, Q345B, Q345C, Q345D, Q345E, American standard ASTM / ASME A106 Gr. B, A53 Gr. B, A333 Gr.6, A500 Gr. A, A500 Gr. B, A500 Gr. C thiab European tus qauv EN10210 / EN10219 / EN10216 S235JR, S235J0, S235J2, S355JR, S355J0, S355J2, S355J2, S355NL, S355K2 thiab lwm yam steel yeeb nkab ntawm British standard, Australian tus qauv thiab Japanese Cov khoom zoo yog txhim khu kev qha. Nws tseem raug xa tawm mus rau ntau lub tebchaws thiab cheeb tsam hauv North America, South America, Europe, Middle East, Southeast Asia, Australia thiab Central Asia. Cov khoom siv dav siv hauv ntau yam steel qauv engineering, nuclear fais fab engineering, dej hiav txwv engineering, kev tsim choj engineering, engineering machinery thiab khoom siv ntau lawm, metallurgical khoom siv thiab lwm yam. Lwm cov khoom yog: siab kub boiler raj, roj cracking hlab, siab siab chiv kev raj, pipeline steel, roj casings, kub-dip galvanized steel hlab, txias dov steel hlab, profiled hlab, galvanized steel coils, aluminized zinc steel coils thiab ntau yam. pipeline txhawb cov khoom.
Lub tuam txhab muab qhov tseem ceeb rau qhov zoo ntawm cov khoom, nqis peev ntau hauv kev qhia txog cov cuab yeej siv siab heev thiab cov kws tshaj lij, thiab tawm mus ua kom tau raws li qhov xav tau ntawm cov neeg siv khoom hauv tsev thiab txawv teb chaws.
Cov ntsiab lus tuaj yeem faib ua roughly faib rau hauv: tshuaj muaj pes tsawg leeg, yield zog, tensile zog, tej yam khoom, thiab lwm yam
Nyob rau tib lub sijhawm, lub tuam txhab tseem tuaj yeem ua tiav kev tshawb nrhiav qhov tsis zoo hauv online thiab annealing thiab lwm yam kev kho cua sov raws li cov neeg siv khoom xav tau.
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Tianjin YuantaiDerun Steel Tube Manufacturing Group Co., Ltd.yog steel yeeb nkab Hoobkas tau ntawv pov thawj los ntawmEN/ASTM/ JIStshwj xeeb hauv kev tsim thiab xa tawm txhua yam ntawm cov yeeb nkab square, galvanized yeeb nkab, ERW welded yeeb nkab, kauv yeeb nkab, submerged arc welded yeeb nkab, ncaj seam yeeb nkab, seamless yeeb nkab, xim coated steel kauj, galvanized steel kauj thiab lwm yam steel khoom. Kev thauj mus los yooj yim, nws yog 190 mais deb ntawm Beijing Capital International Airport thiab 80 mais deb ntawm Tianjin Xingang.
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