China 27SiMn hydraulic kila paipu mea hana
ʻO 27SiMn paipu kila maʻemaʻe, ʻo ia hoʻi 27 silicon manganese seamless steel paipu, ʻo ia kekahi o nā mea o ka paipu kila maʻemaʻe, a ʻo ka ʻike kalapona ma waena o 0.24-0.32%. Hoʻokaʻawale ʻia ʻo SIMN no ka mea ʻo ka maʻiʻo o ka manganese silika ma nā mea ʻelima (carbon C, silicon Si, manganese Mn, phosphorus P, sulfur s) ma kahi o 1.10-1.40%. 27SiMn seamless paipu mea kūpono no ka mana mana, boiler mea kanu, kemika 'oihana, kaʻa a me ka moku lako, etc.
27SiMn, paipu strut hydraulic. Kikohoʻe kikohoʻe hui pū ʻia: a10272
Kūlana: GB / t17396-2018
ʻOi aku ka maikaʻi o kēia ʻano kila ma mua o 30Mn2 kila, kiʻekiʻe hardenability, koʻikoʻi hardenability anawaena o 8 ~ 22mm i loko o ka wai, maikaʻi machinability, medium anu deformation plasticity a weldability; Eia kekahi, ʻaʻole e emi nui ka paʻakikī o ke kila i ka wā o ka mālama ʻana i ka wela, akā he ikaika kiʻekiʻe kona a me ke kūpaʻa ʻana, ʻoi aku ka nui o ka hoʻopau ʻana i ka wai; Eia naʻe, paʻakikī kēia kila i kahi keʻokeʻo keʻokeʻo, ka huhū huhū a me ka naʻau wela i ka wā o ka mālama wela.
Hoʻohana nui ʻia kēia ʻano kila i ka moku i hoʻopau ʻia a hoʻonāukiuki ʻia e hana i nā ʻāpana stamping wela e koi ana i ka paʻakikī kiʻekiʻe a me ke kūpaʻa ʻana; Hiki ke hoʻohana ʻia ma lalo o ka mea maʻamau a i ʻole ka hoʻolako wela, e like me ka tractor track pin, etc.
Hoʻohana i ka 27 SIMN seamless pipe a me ka paipu kila maʻamau
27SiMn paipu kila maʻemaʻe
27SiMn paipu kila maʻemaʻe
1. Paipu kila Seamless no ka wai: GB / t8163-2018
2. Seamless kila paipu no ka paila: GB / t3087-2018
3. High puʻe seamless paipu no ka paila: GB / t5310-2018 (ST45.8 - type III)
4. Kiʻekiʻe puʻe seamless kila paipu no kemika fertilizer lako: GB / t6479-2018
5. Paipu kila maʻemaʻe no ka ʻeli ʻana i ka honua: yb235-70
6. Paipu kila maʻemaʻe no ka ʻaila ʻaila: yb528-65
7. Seamless kila paipu no ka aila māwae: GB / t9948-2018
8. ʻO ka paipu humuhumu kūikawā no ke kola ʻaila ʻaila: yb691-70
9. He paipu kila maʻemaʻe ʻole no ke koʻi kaʻa: GB / t3088-2018
10. Paipu kila Seamless no nā moku: GB / t5312-2018
11. Anuanu huki anu i olokaa pololei pololei paipu kila: GB / t3639-2018
12. Paipu kila maʻemaʻe no ka prop hydraulic: GB / t17396-2018
Mechanical waiwai o 27SiMn seamless kila paipu
Ka ikaika tensile σ b (MPa): ≥980
ikaika hua σ s (MPa): ≥835
Elongation δ 5/(%): ≥12
Hoemi o ka āpana ψ/(%): ≥40
Impact absorption ikehu (impact value) (aku2 / J): ≥ 39
E ho'āʻo ʻia nā paipu kila maʻemaʻe ʻole a pau no nā ʻano mīkini. Hoʻokaʻawale ʻia nā ʻano hoʻāʻo o nā waiwai mechanical i ʻelua mau ʻāpana: ka hoʻāʻo tensile a me ka hoʻāʻo paʻakikī.
ʻO ka hoʻāʻo ʻo Tensile ka hana ʻana i ka paipu kila maʻemaʻe i loko o kahi laʻana, huki i ka hāpana a haki i ka mīkini hoʻāʻo tensile, a laila ana i hoʻokahi a i ʻole kekahi mau waiwai mechanical. ʻO ka maʻamau, ʻo ka ikaika tensile wale nō, ka ikaika hua, ka elongation ma hope o ka haki ʻana a me ka hōʻemi ʻana o ka ʻāpana.
ʻO ka hoʻāʻo paʻakikī ke kaomi mālie i kahi indenter paʻakikī i loko o ka ʻili hāpana e like me nā kūlana i ʻōlelo ʻia, a laila e hoʻāʻo i ka hohonu o ka indentation a i ʻole ka nui, i ʻike ai i ka paʻakikī o ka mea.
Machinability maikaʻi, medium anu deformation plasticity a weldability; Eia kekahi, ʻaʻole e emi nui ka paʻakikī o ke kila i ka wā o ka mālama ʻana i ka wela, akā he ikaika kiʻekiʻe kona a me ke kūpaʻa ʻana, ʻoi aku hoʻi i ka wā e kinai ai ka wai; Eia nō naʻe, paʻakikī kēia kila i kahi keʻokeʻo, ʻeleʻele wela a me ka naʻau wela i ka wā mālama wela.
E mālama i ka nānā ʻana i ka hoʻonui kiʻekiʻe o ka paipu kila ʻole
ʻO ka mālama ʻana no ka nānā ʻana i ka hoʻonui kiʻekiʻe o ka paipu kila seamless ka mea nui i kēia mau mea:
1. Ka hohonu a me ka nui o ka decarburization ili.
2. ʻO ka lōʻihi a me ka hohonu o nā hemahema o ka ʻili, ka hoʻoemi ʻana, ka hoʻokaʻawale ʻana o ke kalapona a me ka sulfur.
3. Ka mahele ʻana o ka ferrite a me ka pearlite i ka paipu kila ʻole.
4. ʻO nā hemahema microstructure ʻē aʻe, a me ka nui o ka palaoa, ka ʻili o ka paipu maʻemaʻe ʻole a me ka ʻike hoʻokomo.