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GER-N27L thiab GER-N27 peb tsim yog ob qho tib si qis-hydrogen sodium-coated low-temperature steel electrodes nrog Ni cov ntsiab lus ntawm 2.5%, uas feem ntau siv rau vuam ASME SA-203 GrA / B thiab 09MnNiDR steels.Cov qauv ntawm GER-N27L thiab GER-N27 tam sim no siv GB / T5117-2012 yog E5015-N5 P / E5015-G P thiab E5515-N5 P feem, uas sib haum rau cov qib ntawm "Vuam Cov Khoom Siv Khoom Siv" luam tawm los ntawm Machinery Kev Lag Luam Xovxwm.Rau W707 thiab W707Ni, lub cev thiab tshuaj lom neeg cov khoom ntawm cov hlau tso ntawm ob lub electrodes yog muab piv raws li hauv qab no.
| Lub npe | Qauv | Chemical Cheebtsam% | |||||
| C | Mn | Si | Ni | S | P | ||
| GER-N27L | E5015-N5P / E5015-GP (W 707) | ≤ 0.05 | ≤1.25 | ≤0.50 | 2.00-2.75 Nws | ≤ 0.03 | ≤ 0.03 |
| GER-N27 | E5515-C1 (W707Ni) | ≤ 0.12 | ≤1.25 | ≤ 0.60 | 2.00-2.75 Nws | ≤ 0.03 | ≤ 0.03 |
| Lub npe | Qauv | Mechanical zog thiab diffusible hydrogen | |||||
| PWHT | Rm (Mpa) | Rel (Mpa) | A (%) | KV 2 (j) | H (ml / 100g) | ||
| GER-N27L | E5015-N5P / E5015-GP (W 707) | 605 ± 15 ℃ * h | ≥490 | ≥390 | ≥ 22 | -75 ℃ KV2≥27 | ≤ 5 |
| GER-N27 | E5515-C1 (W707Ni) | ≥540 | ≥440 | ≥17 | -60 ℃ KV2≥27 | ||
Nws tuaj yeem pom los ntawm cov lus saum toj no tias cov tshuaj muaj pes tsawg leeg C thiab Si ntawm cov hlau tso ntawm GER-N27 (W707Ni) yog me ntsis siab dua cov GER-N27L (W707).Yog li ntawd, hais txog lub zog, GER-N27L (W707) belongs rau 490MPa qib electrode nrog lub zog tensile tsawg.GER-N27 (W707Ni) yog ib theem, thiab qhov cuam tshuam kev ua tau zoo ntawm qhov sib thooj GER-N27L (W707) yog me ntsis zoo dua GER-N27 (W707Ni), tab sis hauv kev siv tswv yim, GER-N27L (W707) thiab GER-N27 ( W707Ni) cuam tshuam Kev ntsuas feem ntau lees txais raws li qhov ntsuas ntawm -70 ° C lossis -75 ° C.
① Ua ntej deslagging
② Tom qab deslagging
GER-N27L (W707) ntsug fillet vuam
① Ua ntej deslagging
② Tom qab deslagging
GER-N27 (W707Ni) ntsug fillet vuam
GER-N27L thiab GER-N27 muaj qhov zoo tshaj plaws ntawm txhua txoj haujlwm weldability thaum vuam ASME SA-203 GrA / B lossis 09MnNiDR steel (raws li qhia hauv daim duab saum toj no rau kev tsim cov vuam ntsug ntawm ob lub electrodes), thiab nws feem ntau pom zoo tias cov vuam kab hluav taws xob yuav tsum tsis pub tshaj 35kJ / cm, thiaj li yuav tau txais cov qauv zoo tshaj plaws los ntawm acicular ferrite.Thaum GER-N27L (W707) tau siv rau cov khoom siv uas xav tau kev kho cua sov thiab kev kho cua sov + kev kho cua sov, feem ntau yog kom tau txais qhov zoo ntawm qhov kub thiab txias, tab sis nws yuav poob qee lub zog, thiab lub zog tensile feem ntau qis dua. 500MPa;GER-N27L (W707) Ntxiv rau cov yees, nws kuj tseem siv rau hauv 09MnNiDR steel ethylene spherical tanks, thaum GER-N27 (W707Ni) feem ntau siv hauv cov thawv kub uas tsuas yog xav tau kev kho cua sov.Cov hauv qab no yuav muab piv txwv ntawm daim ntawv thov thiab lwm yam kev ua tau zoo ntawm GER-N27L thiab GER-N27 .
| Vuam rods | Ntaus lub npe | Kev kho cua sov thiab kev xav tau | Muab cov ntaub ntawv ntsuas |
| GER-N27L (E5015-G) | 09 MnNiDR Hloov cov pa nqus tsev ntauwd | Normalizing 915 ± 15 ℃ * 1.5h cua txias + tempering 645 ± 15 ℃ * 2.5h cua txias + 615 ± 15 ℃ * 10h Tom qab lub cub tawg txias: Rel≥300MPa Rm ≥440MPa A% ≥ 23 -70 ℃ KV 2 ≥ 60J Hardness HV10≤220 | Rel = 347 MPa Rm = 462 MPa A = 37% -70 ℃ KV2 = 255 J Hardness HV10 = 151 |
| GER-N27L (E5015-N5P) | 09 MnNiDR Vinyl kheej kheej tank | 580 ± 15 ℃ * 4h Tom qab lub cub tawg txias: Rel≥390MPa Rm ≥490MPa A% ≥ 22 -70 ℃ KV2≥54J | Rel = 456 MPa Rm = 538 MPa A = 27% -70 ℃ KV2 = 139 J |
| GER-N27 (E5515-N5P) | 09 MnNiDR cryogenic ntim | Min PWHT: 590 ± 15 ℃ * 3.5h Tom qab lub cub tawg txias: Max PWHT: PWHT590 ± 15 ℃ * 16.5h Rel≥440MPa Rm ≥540MPa A% ≥17 -70 ℃ KV2≥54J | Min PWHT: Rel = 477 MPa Rm = 570 MPa A = 26% -70 ℃ KV2 = 108 J |
| Max PWHT: Rel = 476 MPa Rm = 566 MPa A = 28.5% -70 ℃ KV2 = 112 J |
09MnNiDR absorption ntauwd
09MnNiDR ethylene kheej kheej tank
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Post lub sij hawm: Dec-30-2022