E hoʻohālikelike me 15CrMo a me 1Cr5Mo
15CrMo | 1Cr5Mo | |||
ʻAno: | Ke kila kila kila | Kūleʻa Kūʻai Kūʻai Kūʻai kiʻekiʻe | ||
Mea Kimia: | C | 0.12---0.180 | C | ≤0.15 |
Si | 0.17--0.37 | Si | ≤0.5 | |
Mn | 0.4--0.7 | Mn | ≤0.6 | |
Cr | 0.8---1.10 | Cr | 4.0--6.0 | |
Mo | 0.4--0.550 | Mo | 0.4--0.6 | |
S&P | ≤0.035 | Ni | ≤0.6 | |
S | ≤0.03 | |||
Waiwai Mechanical: | Ka ikaika uʻi(Mpa): | 440~640 | Ka ikaika uʻi(Mpa): | 390 |
Lae Hua(Mpa) | 235 | Lae Hua(Mpa) | 185 | |
Elongation(%) | 21 | Elongation(%) | 22 | |
wela wela wela: | 690 ℃ | 750 ℃ | ||
ʻAe ʻia ka Mahana: | 15CrMo<1Cr5Mo | |||
ʻAe ʻia ke kaumaha: | 15CrMo>1Cr5Mo | |||
ʻO ka micro structure: | Pearlite (ʻoʻoleʻa maikaʻi, paʻakikī haʻahaʻa) | Martensite (paʻakikī a palupalu) | ||
Kūlana: | GB/T11251 | SA387 | ||
ʻano: | Loaʻa iā ia ka ikaika wela kiʻekiʻe (δb≥440MPa) a me ke kūpaʻa oxidation i ke kiʻekiʻe wela, a he kūʻē kekahi i ka hydrogen corrosion. He liʻiliʻi ka coefficient o ka hoʻonui ʻana i ka wela, kiʻekiʻe ka conductivity thermal, maikaʻi ke kaʻina hana, ʻo 450-620 degere Celsius ka mahana, ʻike ʻia ke ʻano paʻakikī o ke kila, a maikaʻi ʻole ka weldability. Hoʻohana nui ʻia ia i ka hana ʻana i nā turbines a me nā paila, a hoʻohana nui ʻia i nā paipu hoʻololi wela a me nā moku kiʻekiʻe a me nā kīʻaha kiʻekiʻe. | Loaʻa iā ia ke kūpaʻa oxidation maikaʻi ma kahi o 650 degere Celsius, ka ikaika wela maikaʻi ma lalo o 600, ka haʻalulu maikaʻi a me ka conductivity thermal, a hoʻohana nui ʻia i nā turbine mahu. Eia nō naʻe, ʻo kēia ʻano kila ka manaʻo nui e paʻakikī a maikaʻi ʻole ka hana wili. Loaʻa i nā waiwai mechanical kiʻekiʻe, microstructure stability, corrosion resistance, a me ka paʻakikī maikaʻi. Hoʻohana nui ʻia i ka petrochemical, ka hoʻololi ʻana i ka lanahu, ka mana nuklea, ka pahu turbine mahu, ka paila mana wela a me nā kūlana hana koʻikoʻi ʻē aʻe, corrosive media environment. |
Noi: | ʻO ka ʻaila, ka petrokimia, nā paila kīʻaha kiʻekiʻe, a me nā paipu hoʻomaʻemaʻe kūikawā ʻē aʻe e pili ana i nā paipu hū ʻole ʻia, nā paipu kila ʻole o ka honua, a me nā paipu lino ʻole ka ʻaila. Hiki ke hoʻohana ʻia nā paipu a me nā forgings i nā moku kaomi. ʻO nā paipu mahu a me nā poʻo me ka pā wela ≤510 ℃; Pumehana ʻili me ka pā wela ≤540 ℃. | Kiʻekiʻe wela sulfur corrosion, kiʻekiʻe wela hydrogen a me ka hydrogen sulfide corrosion, organic acid corrosion. ʻO ka pahu hoʻomaha hou me ka mahana o ka paia o 630 ℃ -650 ℃. Hiki ke hoʻohana ʻia nā paipu a me nā forgings i nā moku kaomi. Kiʻekiʻe wela sulfur corrosion, kiʻekiʻe wela hydrogen a me ka hydrogen sulfide corrosion, organic acid corrosion. ʻO ka pahu hoʻomaha hou me ka mahana o ka paia o 630 ℃ -650 ℃. |
E kākau i kāu leka ma aneʻi a hoʻouna mai iā mākou