ʻO NM400 ka ikaika kiʻekiʻe e ʻaʻahu i ka pā kila. Loaʻa i ka NM400 ka ikaika mechanical kiʻekiʻe; ʻO kāna mau waiwai mechanical he 3 mau manawa a 5 mau manawa o nā papa kila haʻahaʻa haʻahaʻa. Hiki iā ia ke hoʻomaikaʻi nui i ka pale ʻana o nā ʻāpana pili mechanical. No laila, e hoʻomaikaʻi i ke ola lawelawe o nā mīkini; ʻO ka paʻakikī o ka ʻili o ka huahana maʻamau a hiki i 360 ~ 450HB. Hoʻohana ʻia no ka ʻeli ʻana a me nā ʻano mīkini hana a pau e hoʻopaʻa ʻia i nā ʻāpana a me ka hana ʻana i ka pā kila kūpono.
ʻO NM400 ke ʻano o ka pā kila pale ʻaʻahu. NM - hōʻike i ka hoʻohana ʻana i ka "kūʻokoʻa" a me ka "wili" Chinese pinyin hua mua 400 ʻo ia ka waiwai paʻakikī o Brinell HB. (Hoʻonui ʻia ka waiwai paʻakikī o 400, a ʻo ka nui o ka waiwai paʻakikī o NM400 home he 360-420.)
Hoʻohana nui ʻia ka pā kila kila NM400 i nā mīkini hana, nā mīkini mining, nā mīkini ʻeli lanahu, nā mīkini pale kaiapuni, nā mīkini metallurgical a me nā ʻāpana ʻē aʻe. Excavator, loader, bulldozer backet board, blade board, side blade board, blade. Paʻa kalai crusher, lau.
ʻO ke kūlana o ka hāʻawi ʻana i ka pā kila a me ka hoʻopaʻa ʻana ʻo: quenching and tempering (ʻo ia hoʻi, quenching and tempering)
Mānoanoa: 5mm-120mm (koho).
Laulā: 500mm-4000mm(koho).
Ka lōʻihi: 1000mm-12000mm (koho).
Profiled: E like me ke kaha kiʻi.
Inspection: Ke kālaimeaola, Metallographic, Mechnical analysis, Ultrasonic testing, Impact testing, Hardness testing, Surface quality and Dimension report.
MOQ: 1 pcs.
ʻElemu | C | ʻO Si | ʻO Mn | P | S | Cr | Mo | Ni | B | CEV | |
Papa | NM400 | ≤0.25 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.4 | ≤0.50 | ≤1.00 | ≤0.004 |
Papa kila | Y.S (MPa) | T.S (MPa) | Elongation A5(%) | Ho'āʻo Impact | ʻoʻoleʻa | |
min | min | min | (°C) | AKV J(min) | HBW | |
NM360 | 800 | 1000 | 10 | -20 | 30 | 320-400 |
NM400 | 1000 | 1250 | 10 | -20 | 30 | 360-440 |
NM450 | 1250 | 1500 | 10 | -20 | 30 | 410-490 |
NM500 | 1300 | 1700 | 10 | -20 | 30 | 450-540 |
Hāʻawi ʻia nā waiwai i ana ʻia o nā waiwai tensile pā kila Rp0.2, Rm a me A50.
Hāʻawi ʻia nā waiwai i ana ʻia (AKV) o ka hopena longitudinal o ka pā kila ma 0 ° C a me -20 ° C.
Ua maheleia ka paakiki: Rockwell paakiki, Brinell paakiki, Vickers paakiki, Richwell paakiki, Shore paakiki, Barinell paakiki, Nooul paakiki, Weinwell paakiki. Hōʻike ʻia ka paʻakikī Vickers e HV, hiki ke hoʻokaʻawale ʻia ka paʻakikī ʻo Rockwell i HRA, HRB, HRC, HRD, hōʻike ʻia ka paʻakikī Brinell e Hb [N(KGF /mm2)] (HBSHBW) (e nānā iā GB/T231-1984 ). ʻAʻole ia he manaʻo kino maʻalahi e ana i ka paʻakikī o nā ʻāpana kila ma hope o ka annealing, normalizing a me ka hoʻoulu ʻana e Brinell hardness method in production.
He papa kuhikuhi piha ia o nā waiwai mechanical e like me ka elasticity, plasticity, ikaika a me ka paʻakikī o nā mea. ʻO ka hoʻāʻo paʻakikī e like me nā ʻano hoʻāʻo like ʻole hiki ke hoʻokaʻawale ʻia i ke ʻano kaomi static (e like me Brinell hardness, Rockwell hardness, Vickers hardness, etc.), scratch method (e like me Mohr hardness), bounce method (e like me Shore hardness) a me ka micro. paʻakikī, paʻakikī wela kiʻekiʻe a me nā ʻano hana ʻē aʻe.
Kauoha | Helu Laʻana | Keʻano Laʻana | ʻAno hoʻāʻo | |
1 | Hoʻopololei | 1 | GB/T2975-82 | GB228/T-2002 |
2 |
Haʻalulu |
3 | GB/T2975-82 | GB/T229-1994 |
3 | ʻoʻoleʻa | 1 | GB/T2975-82 | GB231-84 |
ʻO ka ho'āʻo paʻakikī: e wili i ka 1.0-2.5mm ma ka ʻili o ka pā kila, a laila e hana i ka hoʻāʻo paʻakikī ma ka ʻili. Manaʻo ʻia ʻoe e wili i ka 2.0mm no ka hoʻāʻo paʻakikī.
ʻoki ʻoki ʻoki: ʻo ka māwae ʻoki pā kila he like ia me ka māwae hydrogen i ka wā wili. Inā loaʻa ka māwae ʻoki pā kila, e ʻike ʻia i loko o 48 mau hola a i kekahi mau pule ma hope o ka ʻoki ʻana.
ʻO ka ʻoki ʻana i ka wela: ʻo ke ala maikaʻi loa e pale ai i ka ʻoki ʻoki ʻana o ka pā kila, ʻo ia ka hoʻomaʻamaʻa ʻana ma mua o ka ʻoki ʻana. ʻO ka papa 2. ʻO keʻano preheating hiki ke lilo i ka pū ahi, ka mea hoʻomehana uila no ka hoʻomehanaʻana, hiki ke hoʻohana i ka umu wela.
'Ōlelo Aʻo: preheating kūikawā noonoo, e hana i ka pā interface uniformly wela, i ole e hoʻopili i ka wela kumu o ka wahi o ka kūloko overheating hanana.
ʻO ka ʻoki wikiwiki haʻahaʻa: ʻO kahi ala ʻē aʻe e pale aku ai i ka ʻoki ʻoki ʻana, ʻo ia ka hoʻemi ʻana i ka wikiwiki o ka ʻoki ʻana. Manaʻo mākou e hoʻomaʻamaʻa i ke kāʻei ʻokiʻoki me ka cavitation pū ahi i nā manawa he nui ma mua o ka ʻoki ʻana, a kūpono ka mahana preheating e hiki i kahi 100 ° C. ʻO ka wikiwiki o ka ʻoki ʻana e pili ana i ka pae kila a me ka mānoanoa.
Hoʻomaopopo kūikawā: ʻo ka hui pū ʻana o ka preheating a me nā ʻano hana ʻoki lapalapa haʻahaʻa hiki ke hōʻemi hou i ka hiki ke ʻoki ʻia.
ʻO nā koi hoʻoluʻu lohi ma hope o ka ʻoki ʻana: inā ʻaʻole i hoʻomaʻamaʻa ʻia ka ʻoki ʻana a ʻaʻole paha, ʻo ka hoʻoluʻu lohi o ka pā kila ma hope o ka ʻoki ʻana e hoʻemi pono i ka pilikia o ka ʻoki ʻana. pale, a hiki ke hoʻomaopopo ʻia ka hoʻomaha mālie. Pono ka hoʻoluʻu lohi i ka mahana wela.
ʻO nā koi hoʻomehana ma hope o ka ʻoki ʻana: no ka ʻoki ʻana i ka pā kila, lawe ʻia ka hoʻomehana (haʻahaʻa haʻahaʻa haʻahaʻa) ma hope koke o ka ʻoki ʻana, ʻo ia hoʻi ke ʻano hana kūpono a me ke ana ʻana e pale ai i ka ʻoki ʻana i nā māwae. , hiki ke hoʻopau maikaʻi i ke koʻikoʻi ʻokiʻoki (ke kaʻina hana haʻahaʻa haʻahaʻa haʻahaʻa; Ka manawa moisturizing: 5min /mm)
No ke ʻano o ka hoʻomehana ʻana ma hope o ka ʻoki ʻana, hoʻohana pū ʻia ka pū puhi, ka uhi uila uila a me ka umu kanikau no ka hoʻomehana ʻana ma hope o ka ʻoki ʻana.
ʻO nā waiwai anti-softening o ke kila e hilinaʻi nui ʻia i kona haku mele, microstructure a me ke ʻano hana. °C, e emi ana ka paakiki o ka pa kila.
ʻO keʻano o kaʻokiʻana: i ka wā eʻoki ai ka pā kila i nā'āpana liʻiliʻi, e hōʻiliʻili ka wela i hoʻolakoʻia e ka lama kuʻi a me ka preheating i loko o ka mea hana. Loaʻa ka pilikia o ka palupalu. ʻO ke ala maikaʻi loa e hoʻopau ai i ka pilikia o ka palupalu ʻana ʻo ia ka ʻoki anuanu, e like me ka ʻoki ʻana i ka wai. ka mea hana, pēlā e hoʻonui ai i ka mahana o ka mea hana.
ʻO keʻano o kaʻokiʻana i lalo o ka wai: kahi hana kūpono e kaupalena a ho'ēmi i ka laulā o ka'āpana palupalu, me ka hoʻohanaʻana i ka wai i ka pā kila lenga a me kaʻokiʻoki i ka wā o kaʻokiʻana. ma ke kāpī ʻana i ka wai i ka ʻili ʻoki.
Papa o ka hoohalike ana ma waena o NM400 pale kila a me ke kila i laweia mai
WYJ/WJX | JFE | SSAB | DILLIDUR | SUMIHARD |
WNM400 | JFE-EH400 | HARDOX400 | 400V | K400 |
NM400 pale kila pākaukau hoʻohālikelike hale
WYJ/WJX | WISCO | PAʻakikī | Q/XGJ | JX62 |
WNM400 | NM400 | HARDOX400 | NM400 | NM400 |
ʻOi aku ma mua o 5000 tons o nā pā kila NM400 i hoʻohana ʻia no ka excavator, loader, bulldozer bucket plate, blade plate, side blade plate, blade plate, crusher liner plate a me nā hana hana ʻili i nā mīkini ʻenekinia, nā mīkini mining, nā mīkini eli lanahu, nā mīkini pale kaiapuni. , mīkini metala a me nā ʻoihana hana ʻē aʻe.