40CrMo 42CrMo 42CrMo4 Alloy Steel Paipu/Tubes

ʻO ka wehewehe pōkole:

ʻO 42CrMo alloy seamless paipu he kila ikaika loa me ka ikaika kiʻekiʻe a me ka paʻakikī, ka paʻakikī maikaʻi, ʻaʻohe mea ʻike ʻia i ka brittleness, a me ka liʻiliʻi deformation i ka wā e hoʻopau ai.Ma hope o ke kinai ʻana a me ka hoʻoulu ʻana, ʻo 42CrMo alloy seamless paipu i ka palena luhi nui a me ka nui o ka hopena kū'ē, ka hopena maikaʻi i ka haʻahaʻa haʻahaʻa, a me ka ikaika creep kiʻekiʻe a me ka ikaika hoʻomanawanui i ke kiʻekiʻe wela.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.

E hoʻouna i ka leka uila iā mākou

Huahana Huahana

Hoʻolauna Huahana

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.

Hoʻohana Huahana

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 ka maʻiʻo kalapona, 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;ʻO ke kila kalapona liʻiliʻi -- ma waena o 0.25 a me 0.60% ka maʻiʻo kalapona, e like me ke kila 35 a me 45;Ke kila kalapona kiʻekiʻe -- ʻoi aku ka nui o ke 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.

Hōʻike Huahana

Ka Hoʻohui Kimia (Cast Analysis) No nā Tubes i Hana ʻia mai nā Alloy Special Steels i ka % By Mass^a

Papa kila		C		Si	Mn		P	S	Cr		Mo		Ni
inoa kila	Helu kila	min.	max.	max.	min.	max.	max.	max.	min.	max.	min.	max.	min.	max.
41Cr4	1.7035	0,38	0,45	0,40	0,60	0,90	0,035	0,035	0,90	1,20	-	-	-	-
25CrMo4	1.7218	0,22	0,29	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	-	-
30CrMo4	1.7216	0,27	0,34	0,35	0,35	0,60	0,035	0,035	0,80	1,15	0,15	0,30	-	-
34CrMo4	1.7220	0,30	0,37	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	-	-
42CrMo4	1.7225	0,38	0,45	0,40	0,60	0,90	0,035	0,035	0,90	1,20	0,15	0,30	-	-
a E nana hoi i ka 7.1.
b<0,25% Cu.

Nā Pono Mechanical no nā paipu i hana ʻia me nā kila e like me ka papa 6 ma ke kūlana hoʻouna + QT

Papa kila		ʻO nā waiwai tensile liʻiliʻi
inoa kila	Helu kila	Ka ikaika hua (ReH) MPa				Ka ikaika uʻi ( Rm) MPa				Elongation A%
		No ka T i mm				No ka T i mm				No ka T i mm
		T≤8	8＜T≤20	20＜T≤50	50＜T≤80	T≤8	8＜T≤20	20＜T≤50	50＜T≤80	T≤8		8＜T≤20		20＜T≤50		50＜T≤80
		T≤8	8＜T≤20	20＜T≤50	50＜T≤80	T≤8	8＜T≤20	20＜T≤50	50＜T≤80	l	t	l	t	l	t	l	t
41Cr4	1.7035	800	660	560	-	1000	900	800	-	11	9	12	10	14	12	-	-
25CrMo4	1.7218	700	600	450	400	900	800	700	650	12	10	14	12	15	13	16	14
30CrMo4	1.7216	750	630	520	480	950	850	750	700	12	10	13	11	14	12	15	13
34CrMo4	1.7220	800	650	550	500	1000	900	800	750	11	9	12	10	14	12	15	13
42CrMo4	1.7225	900	750	650	550	1100	1000	900	800	10	8	11	9	12	10	13	11
MAKEMAKE l = ka lōʻihi, t = ke kuapo.

Hoʻomanawanui ma waho anawaena a ma ka mānoanoa

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 kiʻekiʻe. 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.

Hoʻohui Kimia

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.

Waiwai Kino

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 Kaʻina Hana

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.