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GER-N27L da GER-N27 da muke samarwa duka biyun ƙananan-hydrogen sodium-rubutun ƙananan ƙarfe na ƙarfe masu ƙarancin zafin jiki tare da abun ciki na Ni na 2.5%, waɗanda galibi ana amfani da su don walda ASME SA-203 GrA/B da 09MnNiDR ƙarfe. Samfuran GER-N27L da GER-N27 a halin yanzu suna aiwatar da GB/T5117-2012 sune E5015-N5 P/E5015-G P da E5515-N5 P bi da bi, wanda yayi daidai da maki na "Littafin Kayan Aikin Welding" wanda Injiniyoyi suka buga. Masana'antu Press. Don W707 da W707Ni, an kwatanta halayen zahiri da sinadarai na ƙarfe da aka ajiye na lantarki biyu kamar haka.
| Suna | Samfura | Abubuwan sinadaran% | |||||
| 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 | Saukewa: E5515-C1 (W707Ni) | ≤0.12 | ≤1.25 | ≤0.60 | 2.00-2.75 | ≤0.03 | ≤0.03 |
| Suna | Samfura | Mechanical Properties da 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 | Saukewa: E5515-C1 (W707Ni) | ≥540 | ≥440 | ≥17 | -60 ℃ KV2≥27 | ||
Ana iya gani daga teburin da ke sama cewa sinadaran sinadaran C da Si na ɗigon ƙarfe na GER-N27 (W707Ni) sun ɗan fi na GER-N27L (W707). Saboda haka, dangane da ƙarfi, GER-N27L (W707) na cikin 490MPa sa na'urar lantarki tare da ƙarancin ƙarfi. GER-N27 (W707Ni) matakin ne, kuma tasirin tasirin GER-N27L (W707) daidai yake da GER-N27 (W707Ni), amma a aikace aikace, GER-N27L (W707) da GER-N27 ( W707Ni) tasiri Ana karɓar gwajin gaba ɗaya bisa ga ma'aunin -70°C ko -75°C.
① Kafin cirewa
②Bayan zazzagewa
GER-N27L (W707) waldi na fillet a tsaye
① Kafin cirewa
②Bayan zazzagewa
GER-N27 (W707Ni) waldi na fillet a tsaye
GER-N27L da GER-N27 suna da kyakkyawan yanayin weldability lokacin walda ASME SA-203 GrA/B ko 09MnNiDR karfe (kamar yadda aka nuna a cikin adadi na sama don samuwar kabu na walƙiya a tsaye na biyun lantarki), kuma shine gabaɗaya. an ba da shawarar cewa ƙarfin layin walda kada ya wuce 35kJ / cm, don samun kyakkyawan tsari wanda ferrite acicular ya mamaye. Lokacin da GER-N27L (W707) ake amfani da kayan aikin da ke buƙatar quenching da tempering zafi magani + annealing zafi magani, shi ne yawanci don samun mafi low-zazzabi tasiri taurin, amma zai rasa wasu ƙarfi, da tensile ƙarfi ne gaba ɗaya m fiye da. 500MPa; GER-N27L (W707) Baya ga hasumiyai, ana kuma amfani da shi a cikin tankuna masu siffar ƙarfe na ethylene 09MnNiDR, yayin da GER-N27 (W707Ni) galibi ana amfani da shi a cikin kwantena masu ƙarancin zafi waɗanda kawai ke buƙatar maganin zafi. Wadannan zasu ba da misalan aikace-aikacen da aikin da suka danganci GER-N27L da GER-N27 .
| Sandunan walda | Sunan na'ura | Maganin zafi da buƙatun fasaha | Ƙimar da aka auna |
| GER-N27L (E5015-G) | 09MnNiDR shift gas sha hasumiya | Normalizing 915 ± 15 ℃ * 1.5h iska sanyaya + tempering 645 ± 15 ℃ * 2.5h iska sanyaya + 615 ± 15 ℃ * 10h Bayan tanderun ya huce: Mai Rarraba 300MPa Rm≥440MPa A% ≥23 -70 ℃KV2≥60J Hardness HV10≤220 | Saukewa: 347MPa Rm=462MPa A=37% -70 ℃KV2=255J Hardness HV10=151 |
| GER-N27L (E5015-N5P) | 09MnNiDR Vinyl spherical tank | 580± 15 ℃ * 4h Bayan tanderun ya huce: Saukewa: 390MPa Rm≥490MPa A% ≥22 -70 ℃KV2≥54J | Saukewa: 456MPa Rm=538MPa A=27% -70℃KV2=139J |
| GER-N27 (E5515-N5P) | 09MnNiDR akwati cryogenic | Min PWHT: 590± 15℃*3.5h Bayan tanderun ya huce: Mafi girman PWHT: PWHT590± 15℃*16.5h Saukewa: 440MPa Rm≥540MPa A% ≥17 -70 ℃KV2≥54J | Min PWHT: Saukewa: 477MPa Rm=570MPa A=26% -70 ℃KV2=108J |
| Mafi girman PWHT: Saukewa: 476MPa Rm=566MPa A=28.5% -70℃KV2=112J |
09MnNiDR hasumiyar sha
09MnNiDR Ethylene mai siffar fuska
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Lokacin aikawa: Dec-30-2022