Lag luam wholesale OEM / ODM ASTM A283 T91 P91 P22 A355 P9 P11 4130 42CrMo 15CrMo Alloy Carbon Steel Pipe St37 C45 Sch40 A106 Gr.B A53 Seamless Steel Tube

Peb muaj ib pab pawg neeg muaj txiaj ntsig zoo los daws cov lus nug los ntawm cov neeg yuav khoom.Peb lub hom phiaj yog "100% cov neeg siv khoom ua tiav los ntawm peb cov khoom lag luam zoo, nqi tag & peb cov neeg ua haujlwm pabcuam" thiab txaus siab rau lub koob npe zoo ntawm cov neeg siv khoom.Muaj ob peb lub Hoobkas, peb yuav muab ntau yam lag luam wholesale OEM / ODM ASTM A283 T91 P91 P22 A355 P9 P11 4130 42CrMo 15CrMo Alloy Carbon Steel Pipe St37 C45 Sch40 A106 Gr.B A53 Seamless Steel Tube, Peb zoo siab tos txais koj los nug peb los ntawm kev hu lossis xa ntawv thiab vam tias yuav tsim kom muaj kev sib raug zoo thiab kev koom tes.
Peb muaj ib pab pawg neeg muaj txiaj ntsig zoo los daws cov lus nug los ntawm cov neeg yuav khoom.Peb lub hom phiaj yog "100% cov neeg siv khoom ua tiav los ntawm peb cov khoom lag luam zoo, nqi tag & peb cov neeg ua haujlwm pabcuam" thiab txaus siab rau lub koob npe zoo ntawm cov neeg siv khoom.Nrog heev ob peb factories, peb yuav muab ntau yam ntawm42CrMo Alloy Round Steel Tube, peb cov kev daws teeb meem tsim nyog muaj lub koob npe zoo los ntawm lub ntiaj teb raws li nws cov nqi sib tw tshaj plaws thiab peb qhov zoo tshaj plaws ntawm kev pab cuam tom qab muag rau cov neeg siv khoom.we vam tias peb tuaj yeem muab cov khoom muaj kev nyab xeeb, ib puag ncig thiab kev pabcuam super rau peb cov neeg siv khoom los ntawm thoob plaws lub ntiaj teb thiab tsim kom muaj kev sib koom tes nrog lawv los ntawm peb cov qauv tsim nyog thiab kev siv zog tsis tu ncua.

Nws tsis muaj qhov pom tseeb temper brittleness, me me deformation thaum lub sij hawm quenching, siab qaug zog txwv thiab ntau yam cuam tshuam tsis kam tom qab quenching thiab tempering kho.42CrMo alloy seamless yeeb nkab muaj kev cuam tshuam zoo ntawm qhov kub thiab txias thiab siab creep zog thiab endurance lub zog ntawm qhov kub thiab txias.Nto quenching tom qab quenching thiab tempering feem ntau yog siv los ua cov txheej txheem kho cua sov rau 42CrMo alloy seamless kav.

Cov hlau tshwj xeeb: 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4

OD: 20-660mm WT: 2.3-100mm L: 5.8M, 6M, 11.8M, 12M lossis lwm yam ntev.

Daim ntawv thov: Machining, General engineering, crane caj npab, Bushes, thooj voos kheej kheej Ntau, Conveyor Rolls, Hollow Shafts, Hollow Parts thiab Cheebtsam, Ceev, Rings, thiab lwm yam

Daim ntawv thov ntawm 42CrMo alloy seamless yeeb nkab: cov hlau tshwj xeeb siv rau txuas hniav yog "42CrMo", cov hlau tshwj xeeb rau tsheb girders yog "42CrMo", thiab cov hlau tshwj xeeb rau cov hlab ntsha siab yog "42CrMo".Cov hlau zoo li no txhim kho cov khoom siv hluav taws xob ntawm cov hlau los ntawm kev kho cov pa roj carbon (c) cov ntsiab lus.Yog li, raws li cov ntsiab lus carbon, cov hlau no tuaj yeem muab faib ua: cov pa roj carbon tsawg - cov ntsiab lus carbon feem ntau tsawg dua 0.25%, xws li 10 thiab 20 steel;Cov pa roj carbon nruab nrab - cov ntsiab lus carbon feem ntau ntawm 0.25 thiab 0.60%, xws li 35 thiab 45 steel;High carbon steel - cov ntsiab lus carbon feem ntau ntau dua 0.60%.Hom hlau no feem ntau tsis siv los ua cov kav hlau.

Daim ntawv thov
Haum rau kev ua cov yas pwm loj thiab nruab nrab uas xav tau qee lub zog thiab toughness.

Tolerances ntawm Length:
Thaum Length sib npaug 6000mm, Tolerances 0/+10
Thaum 6 000 < L = 12 000, Tolerances 0/+15
Thaum> 12 000, Tolerances 0/+ los ntawm kev pom zoo
Cov txheej txheem specification thiab lub cev muaj zog ntawm 42CrMo steel yeeb nkab
42CrMo steel yeeb nkab, carbon cov ntsiab lus: 0.38 ~ 0.45%, silicon: 0.17 ~ 0.37%, manganese: 0.50 ~ 0.80%.

42CrMo steel yeeb nkab belongs rau ultra-siab zog steel, nrog lub zog siab thiab toughness, zoo hardenability, tsis pom tseeb tempering brittleness, siab qaug zog txwv thiab ntau yam cuam tshuam tsis kam tom qab quenching thiab tempering kev kho mob, thiab zoo low-temperature cuam tshuam toughness.

Cov hlau yog tsim rau kev tsim cov yas pwm loj thiab nruab nrab uas xav tau qee lub zog thiab toughness.Nws cov koom haum thoob ntiaj teb tus qauv hom: 42CrMo4 sib haum rau Japanese hom: scm440 sib haum rau German hom: 42CrMo4 kwv yees sib haum rau American hom: 4140 tus yam ntxwv thiab Scope ntawm daim ntawv thov: siab zog, hardenability, zoo toughness, me me deformation thaum quenching, siab creep zog thiab endurance lub zog ntawm qhov kub thiab txias.Nws yog siv los tsim cov forgings nrog lub zog siab dua thiab loj dua quenching thiab tempering hla ntu tshaj 35CrMo steel, xws li cov iav loj rau kev sib tsoo, kev sib kis ntawm supercharger, rear qag, txuas pas nrig thiab lub caij nplooj ntoos hlav clamp nrog kev thauj khoom zoo, laum yeeb nkab sib koom thiab nuv ntses cuab tam rau cov roj tob tob hauv qab 2000m, thiab pwm rau dabtsi yog khoov tshuab.

Sulfur s: tso cai cov ntsiab lus seem ≤ 0.035%

Phosphorus P: tso cai cov ntsiab lus seem ≤ 0.035%

Chromium (CR): 0.90 ~ 1.20%

Nickel Ni: tso cai cov ntsiab lus seem ≤ 0.030%

Copper Cu: tso cai cov ntsiab lus seem ≤ 0.030%

Molybdenum (MO): 0.15 ~ 0.25%

Tso cai kev ntxhov siab ntawm 42CrMo

42CrMo tso cai rau kev ntxhov siab 186 ~ 310 / MPa, yield point 930 σ S / MPa, 42CrMo muaj lub zog siab, hardenability, zoo toughness, me me deformation thaum quenching, thiab siab creep zog thiab endurance lub zog ntawm qhov kub thiab txias.42CrMo steel yeeb nkab yog siv los tsim cov forgings uas muaj zog dua thiab loj dua quenched thiab tempered seem tshaj 35CrMo steel.

1) Qhov ntsuas kub tseem ceeb (kwv yees): AC1 = 730 ° C, AC3 = 800 ° C, Ms = 310 ° C.

2) Linear expansion coefficient: kub 20 ~ 100 ° C / 20 ~ 200 ° C / 20 ~ 300 ° C / 20 ~ 400 ° C / 20 ~ 500 ° C / 20 ~ 600 ° C, linear expansion coefficient: 11.1 × 10K 12.1 × 10K / 12.9 × 10K / 13.5 × 10K / 13.9 × 10K14.1 × 10K.

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

Kub ua hauj lwm specification
Cov cua kub kub yog 1150 ~ 1200 ° C, qhov pib kub yog 1130 ~ 1180 ° C, thiab qhov kawg kub yog> 850 ° C, φ> 50mm, txias txias.

Normalizing specification
Lub normalizing kub yog 850 ~ 900 ° C, thiab lub cub tawg yog txias los ntawm huab cua.

Kub kub tempering specification
Lub tempering kub yog 680 ~ 700 ° C, thiab lub cub tawg yog txias los ntawm huab cua.

Quenching thiab tempering specifications
Preheating kub 680 ~ 700 ° C, quenching kub 840 ~ 880 ° C, roj txias, tempering kub 580 ° C, dej txias los yog roj txias, hardness ≤ 217hbw.

Specification rau subcritical strengthening thiab toughening
quenching kub 900 ° C, tempering kub 560 ° C, hardness (37 ± 1) HRC

Specification rau induction quenching thiab tempering
quenching kub 900 ° C, tempering kub 150 ~ 180 ° C, hardness 54 ~ 60HRC.

Kub ua hauj lwm specification
Cov cua kub kub yog 1150 ~ 1200 ° C, qhov pib kub yog 1130 ~ 1180 ° C, thiab qhov kawg kub yog> 850 ° C, φ> 50mm, txias txias.

Normalizing specification
Lub normalizing kub yog 850 ~ 900 ° C, thiab lub cub tawg yog txias los ntawm huab cua.

Kub kub tempering specification
Lub tempering kub yog 680 ~ 700 ° C, thiab lub cub tawg yog txias los ntawm huab cua.

Quenching thiab tempering specifications
Preheating kub 680 ~ 700 ° C, quenching kub 840 ~ 880 ° C, roj txias, tempering kub 580 ° C, dej txias los yog roj txias, hardness ≤ 217hbw.

Specification rau subcritical strengthening thiab toughening
quenching kub 900 ° C, tempering kub 560 ° C, hardness (37 ± 1) HRC

Specification rau induction quenching thiab tempering
quenching kub 900 ° C, tempering kub 150 ~ 180 ° C, hardness 54 ~ 60HRC.

Peb muaj ib pab pawg neeg muaj txiaj ntsig zoo los daws cov lus nug los ntawm cov neeg yuav khoom.Peb lub hom phiaj yog "100% cov neeg siv khoom ua tiav los ntawm peb cov khoom lag luam zoo, nqi tag & peb cov neeg ua haujlwm pabcuam" thiab txaus siab rau lub koob npe zoo ntawm cov neeg siv khoom.Muaj ob peb lub Hoobkas, peb yuav muab ntau yam lag luam wholesale OEM / ODM ASTM A283 T91 P91 P22 A355 P9 P11 4130 42CrMo 15CrMo Alloy Carbon Steel Pipe St37 C45 Sch40 A106 Gr.B A53 Seamless Steel Tube, Peb zoo siab tos txais koj los nug peb los ntawm kev hu lossis xa ntawv thiab vam tias yuav tsim kom muaj kev sib raug zoo thiab kev koom tes.
Lag luam wholesale OEM / ODM Tuam Tshoj Carbon Steel Yeeb Nkab thiab Round Steel Tube, peb cov kev tsim nyog cov kev daws teeb meem muaj lub koob npe nrov los ntawm lub ntiaj teb no raws li nws cov nqi sib tw tshaj plaws thiab peb qhov zoo tshaj plaws ntawm kev pab cuam tom qab muag rau cov neeg siv khoom.we vam tias peb tuaj yeem muab cov khoom muaj kev nyab xeeb, ib puag ncig. thiab kev pabcuam super rau peb cov neeg siv khoom los ntawm thoob plaws lub ntiaj teb thiab tsim kom muaj kev sib koom tes nrog lawv los ntawm peb cov qauv tsim nyog thiab kev siv zog tsis tu ncua.