ʻO ka hoʻolaha ʻana o ka hale kūʻai kūʻai pono ʻole 4140.

Hāʻawi mākou i ka ikehu maikaʻi i ka maikaʻi a me ka holomua, nā mea kūʻai aku, nā kūʻai nui a me ke kūʻai aku ʻana a me ka hana ʻana no ka Factory Promotional Precision Seamless Steel Tube 4140 1020 St52 Q355 Stkm 11A Scm440 1.7225 42CrMo Precision Steel Pipe no nā ʻāpana Mechanical a me nā ʻāpana kaʻa!Hoʻokipa maikaʻi mākou i nā manaʻo hou ma waho e hoʻonohonoho i nā pilina ʻoihana a manaʻo pū kekahi e hoʻohui i nā pilina me nā mea kūʻai aku lōʻihi.
Hāʻawi mākou i ka ikehu maikaʻi i ka maikaʻi a me ka holomua, nā mea kūʻai aku, nā kūʻai nui a me ke kūʻai aku a me ka hana noʻO ka paipu kila maʻemaʻe Kina a me ka paipu kila maʻemaʻe ʻole, I ke kenekulia hou, hoʻolaha mākou i kā mākou ʻoihana ʻoihana "United, ikaika, kiʻekiʻe kiʻekiʻe, hana hou", a hoʻopaʻa i kā mākou kulekele" e pili ana i ka maikaʻi, e hoʻoikaika, e kū ana no ka papa inoa mua.E lawe mākou i kēia manawa gula e hana i ka wā e hiki mai ana.

ʻAʻohe ona huhū huhū, liʻiliʻi deformation i ka wā quenching, palena luhi kiʻekiʻe a me ka nui o ka hopena hopena ma hope o ka hoʻopau ʻana a me ka mālama ʻana.ʻO 42CrMo alloy seamless paipu he hopena maikaʻi ka paʻakikī i ka haʻahaʻa haʻahaʻa a me ka ikaika kolo kiʻekiʻe a me ka ikaika hoʻomanawanui i ka wela kiʻekiʻe.Hoʻohana pinepine ʻia ka hoʻopau ʻana o ka ʻili ma hope o ke kinai ʻana a me ka hoʻomaʻamaʻa ʻana e like me ke ʻano o ka mālama ʻana i ka wela no 42CrMo alloy seamless pipes.

Ke kila kūikawā huila: 41Cr4,25CrMo4,30CrMo4,34CrMo4,42CrMo4

OD: 20-660mm WT: 2.3-100mm L: 5.8M, 6M, 11.8M, 12M a i ʻole kekahi lōʻihi i kuhikuhi ʻia.

Hoʻohana: Mīkini, ʻenekinia maʻamau, lima crane, Bushes, Cylinders Various, Conveyor Rolls, Hollow Shafts, Hollow Parts a me nā ʻāpana, Nuts, Rings, etc.

Ka hoʻohana ʻana i ka 42CrMo alloy seamless pipe: ʻo ke kila kūikawā i hoʻohana ʻia no nā alahaka ʻo "42CrMo", ʻo ke kila kūikawā no nā kāʻei kaʻa ʻo "42CrMo", a ʻo ke kila kūikawā no nā moku kaomi ʻo "42CrMo".Hoʻomaikaʻi kēia ʻano kila i nā waiwai mechanical o ke kila ma ka hoʻoponopono ʻana i ka ʻike kalapona (c).No laila, e like me ke kalapona maʻiʻo, hiki ke hoʻokaʻawale ʻia kēia ʻano kila i: haʻahaʻa kalapona kila - ʻo ka maʻi kalapona ma lalo o 0.25%, e like me 10 a me 20 kila;Medium carbon steel — ʻo ka maʻiʻo kalapona ma waena o 0.25 a me 0.60%, e like me 35 a me 45 kila;Ke kila kalapona kiʻekiʻe - ʻoi aku ka nui o ka ʻike kalapona ma mua o 0.60%.ʻAʻole hoʻohana ʻia kēia ʻano kila no ka hana ʻana i nā paipu kila.

Hoʻohana maʻamau
He kūpono no ka hana ʻana i nā ʻāpana plastik nui a me ka nui e koi ana i kekahi ikaika a paʻakikī.

Ka hoʻomanawanui o nā lōʻihi:
Ke like ka lōʻihi me 6000mm, tolerances 0/+10
Ke 6 000 < L =12 000, Hoʻomanawanui 0/+15
Ke> 12 000, Hoʻomanawanui 0/+ ma ka ʻaelike
Kaʻina hana a me nā waiwai kino o 42CrMo paipu kila
42CrMo paipu kila, kalapona maʻiʻo: 0.38 ~ 0.45%, silika: 0.17 ~ 0.37%, manganese: 0.50 ~ 0.80%.

42CrMo kila paipu no ka ultra-kiʻekiʻe ikaika kila, me ka kiʻekiʻe kiʻekiʻe a me ka toughness, maikai hardenability,ʻaʻohe maopopo tempering brittleness, kiʻekiʻe luhi palena a me ka nui hopena kū'ē ma hope o quenching a me ka tempering lapaʻau, a me ka maikaʻi haʻahaʻa wela hopena toughness.

He mea kūpono ke kila no ka hana ʻana i nā ʻāpana plastik nui a me waena e koi ana i kekahi ikaika a paʻakikī.ʻO kāna hōʻailona hui maʻamau o ka honua: 42CrMo4 e pili ana i ka brand Iapana: scm440 e pili ana i ka brand German: 42CrMo4 e pili ana i ka brand ʻAmelika: 4140 mau hiʻohiʻona a me ke ʻano o ka noi: ikaika kiʻekiʻe, paʻakikī, paʻakikī maikaʻi, deformation liʻiliʻi i ka wā e hoʻopau ai, ikaika kiʻekiʻe a me ka ikaika. ikaika hoʻomanawanui i ka wela kiʻekiʻe.Hoʻohana ʻia ia e hana i nā forgings me ka ikaika kiʻekiʻe a me ka quenching a me ka tempering cross-section ma mua o ke kila 35CrMo, e like me nā mea hana nui no ka locomotive traction, nā mea hoʻoili o ka supercharger, axle hope, koʻokoʻo hoʻohui a me ka hoʻopili puna me ka ukana nui, drill pipe hui a me mea lawaiʻa no ka ʻaila hohonu ma lalo o 2000m, a me ka poʻi no ka mīkini kuʻi.

Sulfur s: ʻae ʻia ke koena maʻiʻo ≤ 0.035%

Phosphorus P: maʻiʻo koena ʻae ʻia ≤ 0.035%

Chromium (CR): 0.90 ~ 1.20%

Nikela Ni: ʻae ʻia ke koena maʻiʻo ≤ 0.030%

Copper Cu: ʻae ʻia ke koena maʻiʻo ≤ 0.030%

Molybdenum (MO): 0.15 ~ 0.25%

ʻAe ʻia ke kaumaha o 42CrMo

42CrMo hiki ke kaumaha 186 ～ 310 / MPa, hua helu 930 σ S / MPa, 42CrMo i kiʻekiʻe ikaika, hardenability, maikai toughness, liʻiliʻi deformation i ka wā quenching, a me ka ikaika kolo kiʻekiʻe a me ka hoomanawanui i ka wela wela.Hoʻohana ʻia ka paipu kila 42CrMo e hana i nā forgings me ka ikaika kiʻekiʻe a ʻoi aku ka nui o ka pauku kinai ʻia a me ka wela ma mua o ke kila 35CrMo.

1) Wehewela wahi koʻikoʻi (kokoke): AC1 = 730 ° C, AC3 = 800 ° C, Ms = 310 ° C.

2) Hoʻonui laina laina: wela 20 ~ 100 ° C / 20 ~ 200 ° C / 20 ~ 300 ° C / 20 ~ 400 ° C / 20 ~ 500 ° C / 20 ~ 600 ° C, hoʻonui laina laina: 11.1 × 10K /12.1 × 10K/12.9 × 10K/13.5 × 10K/13.9 × 10K14.1 × 10K.

3) Elastic modulus: wela 20 ° C / 300 ° C / 400 ° C / 500 ° C / 600 ° C, elastic modulus 210000mpa / 185000mpa / 175000mpa / 165000mpa / 15500mpa

Hōʻike hana wela
ʻO ka mahana wela he 1150 ~ 1200 ° C, ʻo ka mahana hoʻomaka ʻo 1130 ~ 1180 ° C, a ʻo ka wela hopena he> 850 ° C, φ> 50mm, hoʻomaha mālie.

Hoʻohālikelike maʻamau
ʻO ka mahana maʻamau ʻo 850 ~ 900 ° C, a ua hoʻomaha ʻia ka umu e ka ea.

Kiʻekiʻe wela tempering kikoʻī
ʻO ka mahana wela ka 680 ~ 700 ° C, a ua hoʻomaha ʻia ka umu e ka ea.

Quenching a me ka tempering kiko'ī
Preheating mahana 680 ~ 700 ° C, quenching mahana 840 ~ 880 ° C, aila hooluolu, tempering mahana 580 ° C, wai hooluolu a aila hooluolu, paakiki ≤ 217hbw.

Hōʻike no ka hoʻoikaika a me ka paʻakikī subcritical
ʻO ke ana wela 900 ° C, wela wela 560 ° C, paʻakikī (37 ± 1) HRC

ʻO ka kikoʻī no ka hoʻopau ʻana i ka induction a me ka tempering
Quenching wela 900 ° C, tempering wela 150 ~ 180 ° C, paakiki 54 ~ 60HRC.

Hōʻike hana wela
ʻO ka mahana wela he 1150 ~ 1200 ° C, ʻo ka mahana hoʻomaka ʻo 1130 ~ 1180 ° C, a ʻo ka wela hopena he> 850 ° C, φ> 50mm, hoʻomaha mālie.

Hoʻohālikelike maʻamau
ʻO ka mahana maʻamau ʻo 850 ~ 900 ° C, a ua hoʻomaha ʻia ka umu e ka ea.

Kiʻekiʻe wela tempering kikoʻī
ʻO ka mahana wela ka 680 ~ 700 ° C, a ua hoʻomaha ʻia ka umu e ka ea.

Quenching a me ka tempering kiko'ī
Preheating mahana 680 ~ 700 ° C, quenching mahana 840 ~ 880 ° C, aila hooluolu, tempering mahana 580 ° C, wai hooluolu a aila hooluolu, paakiki ≤ 217hbw.

Hōʻike no ka hoʻoikaika a me ka paʻakikī subcritical
ʻO ke ana wela 900 ° C, wela wela 560 ° C, paʻakikī (37 ± 1) HRC

ʻO ka kikoʻī no ka hoʻopau ʻana i ka induction a me ka tempering
Quenching wela 900 ° C, tempering wela 150 ~ 180 ° C, paakiki 54 ~ 60HRC.

Hāʻawi mākou i ka ikehu maikaʻi i ka maikaʻi a me ka holomua, nā mea kūʻai aku, nā kūʻai nui a me ke kūʻai aku ʻana a me ka hana ʻana no ka Factory Promotional Precision Seamless Steel Tube 4140 1020 St52 Q355 Stkm 11A Scm440 1.7225 42CrMo Precision Steel Pipe no nā ʻāpana Mechanical a me nā ʻāpana kaʻa!Hoʻokipa maikaʻi mākou i nā manaʻo hou ma waho e hoʻonohonoho i nā pilina ʻoihana a manaʻo pū kekahi e hoʻohui i nā pilina me nā mea kūʻai aku lōʻihi.
Hoʻolaha Hale HanaʻO ka paipu kila maʻemaʻe Kina a me ka paipu kila maʻemaʻe ʻole, I ke kenekulia hou, hoʻolaha mākou i kā mākou ʻoihana ʻoihana "United, ikaika, kiʻekiʻe kiʻekiʻe, hana hou", a hoʻopaʻa i kā mākou kulekele" e pili ana i ka maikaʻi, e hoʻoikaika, e kū ana no ka papa inoa mua.E lawe mākou i kēia manawa gula e hana i ka wā e hiki mai ana.