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GER-N27L na GER-N27 anyị na-emepụta bụ ma electrodes ígwè dị ala nke nwere sodium dị ala nke nwere ọdịnaya Ni nke 2.5%, nke a na-ejikarị eme ihe maka ịgbado ọkụ ASME SA-203 GrA/B na 09MnNiDR steels. Ụdị nke GER-N27L na GER-N27 na-emejuputa GB/T5117-2012 ugbu a bụ E5015-N5 P/E5015-G P na E5515-N5 P n'otu n'otu, nke kwekọrọ na akara ule nke "akwụkwọ ntuziaka ngwaahịa Welding" nke Machinery bipụtara. Ụlọ ọrụ Press. Maka W707 na W707Ni, a na-atụnyere ihe anụ ahụ na kemịkalụ nke ọla edobere nke electrodes abụọ ahụ dịka ndị a.
| Aha | Nlereanya | Akụkụ kemịkalụ% | |||||
| C | Mn | Si | Ni | S | P | ||
| GER-N27L | E5015-N5P/ E5015-GP (W707) | ≤0.05 | ≤1.25 | ≤0.50 | 2.00-2.75 | ≤0.03 | ≤0.03 |
| GER-N27 | E5515-C1 (W707Ni) | ≤0.12 | ≤1.25 | ≤0.60 | 2.00-2.75 | ≤0.03 | ≤0.03 |
| Aha | Nlereanya | Mechanical Njirimara na hydrogen diffusible | |||||
| PWHT | Rm (Mpa) | Rel (Mpa) | A (%) | KV2 (j) | H (ml/100g) | ||
| GER-N27L | E5015-N5P/ E5015-GP (W707) | 605 ± 15 ℃ * h | ≥490 | ≥390 | ≥22 | -75 ℃ KV2≥27 | ≤5 |
| GER-N27 | E5515-C1 (W707Ni) | ≥540 | ≥440 | ≥17 | -60 ℃ KV2≥27 | ||
Enwere ike ịhụ site na tebụl dị n'elu na ihe mejupụtara kemịkalụ C na Si nke ọla edobere nke GER-N27 (W707Ni) dị ntakịrị elu karịa nke GER-N27L (W707). Ya mere, n'ihe banyere ike, GER-N27L (W707) bụ nke 490MPa ọkwa electrode na ala tensile ike. GER-N27 (W707Ni) bụ larịị, na mmetụta arụmọrụ nke kwekọrọ GER-N27L (W707) bụ ubé mma karịa GER-N27 (W707Ni), ma na ngwa ngwa, GER-N27L (W707) na GER-N27 ( W707Ni) mmetụta a na-anabatakarị ule a dabere na index nke -70°C ma ọ bụ -75°C.
① Tupu ewepụ ya
② Mgbe emechara ya
GER-N27L (W707) ịgbado ọkụ fillet kwụ ọtọ
① Tupu ewepụ ya
② Mgbe emechara ya
GER-N27 (W707Ni) ịgbado ọkụ fillet kwụ ọtọ
GER-N27L na GER-N27 nwere ọmarịcha ọnọdụ weldability mgbe ịgbado ọkụ ASME SA-203 GrA / B ma ọ bụ 09MnNiDR ígwè (dị ka e gosiri na n'elu ọnụ ọgụgụ maka e guzobere vetikal ịgbado ọkụ onuoghere nke abụọ electrodes), na ọ bụ n'ozuzu ya. akwadoro na ike eriri ịgbado ọkụ ekwesịghị gafere 35kJ / cm, iji nweta ọmarịcha ihe owuwu nke acicular ferrite na-achị. Mgbe GER-N27L (W707) na-etinyere na ngwá ọrụ chọrọ quenching na tempering okpomọkụ ọgwụgwọ + annealing okpomọkụ ọgwụgwọ, ọ na-abụkarị iji nweta mma ala-okpomọkụ mmetụta siri ike, ma ọ ga-atụfu ụfọdụ ike, na tensile ike bụ n'ozuzu ala karịa. 500MPa; GER-N27L (W707) Na mgbakwunye na ụlọ elu, a na-ejikwa ya na 09MnNiDR ígwè ethylene spherical tankị, ebe GER-N27 (W707Ni) na-ejikarị eme ihe na obere okpomọkụ nke na-achọ naanị ọgwụgwọ okpomọkụ. Ndị na-esonụ ga-enye ihe atụ nke ngwa na arụmọrụ metụtara GER-N27L na GER-N27 .
| Mkpanaka ịgbado ọkụ | Aha ngwaọrụ | Usoro ọgwụgwọ okpomọkụ na teknụzụ chọrọ | Wepụta data atụnyere |
| GER-N27L (E5015-G) | 09MnNiDR shift gas absorption ụlọ elu | Normalizing 915 ± 15 ℃ * 1.5h ikuku jụrụ + tempering 645 ± 15 ℃ * 2.5h ikuku jụrụ + 615 ± 15 ℃ * 10h Mgbe ọkụ ahụ jụrụ: Rel≥300MPa Rm≥440MPa A%≥23 -70 ℃KV2≥60J Isi ike HV10≤220 | Rel=347MPa Rm=462MPa A=37% -70℃KV2=255J Isi ike HV10=151 |
| GER-N27L (E5015-N5P) | 09MnNiDR Vinyl sppherical tank | 580± 15 ℃ * 4h Mgbe ọkụ ahụ jụrụ: Rel≥390MPa Rm≥490MPa A%≥22 -70 ℃KV2≥54J | Rel=456MPa Rm=538MPa A=27% -70℃KV2=139J |
| GER-N27 (E5515-N5P) | 09MnNiDR akpa cryogenic | Nkeji PWHT: 590± 15 ℃ * 3.5h Mgbe ọkụ ahụ jụrụ: PWHT kacha elu: PWHT590± 15℃ * 16.5h Rel≥440MPa Rm≥540MPa A%≥17 -70 ℃KV2≥54J | Nkeji PWHT: Rel=477MPa Rm=570MPa A=26% -70℃KV2=108J |
| PWHT kacha elu: Rel=476MPa Rm=566MPa A=28.5% -70℃KV2=112J |
Ụlọ elu absorption 09MnNiDR
09MnNiDR ethylene spherical tank
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Oge nzipu: Dec-30-2022