IBanga | C | Si | Mnu | P | S | Cr | Mo |
20CrMo | 0.17-0.24 | 0.17-0.37 | 0.40-0.70 | ≤0.030 | ≤0.030 | 0.80-1.10 | 0.15-0.25 |
Tensile strength σb (MPa) |
Unikeze Amandla σs 0.2 (MPa) |
Elongation δ 5 (%) |
Ukuncitshiswa kwendawo enqumlayo ψ (%) |
Umsebenzi weBallistic Akv (J) |
Ixabiso lokuqina αkv (J/cm2) |
Ukuqina (HB) | Ubungakanani boMfanekiso |
Min 835 | Ubuncinci 540 | Umz 10 | Umz 40 | Umz 47 | Umz 59 | Ubukhulu be-179 | 15mm |
I-20CrMo intsimbi ye-alloy isetyenziselwa ukuveliswa kwemithombo yeendaba engabonakaliyo kwizixhobo zemichiza kunye nemibhobho yoxinzelelo oluphezulu, iziqhoboshi, ii-injini zomphunga, iibyila iibyiyila kunye ne-forgings kunye nobushushu bokusebenza obungaphantsi kwe-250 ° C, kunye neendawo ezibalulekileyo ze-carburizing ezifana nezixhobo kunye neeshafu koomatshini ngokubanzi. . Isenokusetyenziswa endaweni yentsimbi ye-1Cr13 ukwenza uxinzelelo oluphakathi, iiinjini zoxinzelelo oluphantsi zoxinzelelo oluphantsi kwindawo yoxinzelelo oluphezulu lwenqanaba loxinzelelo lwamagqabi asebenzayo.
I-20CrMo imathiriyeli elingana ne-US ASTM, iJamani yaseYurophu iDIN EN, iBritish BS EN, iFrance NF EN, i-JIS yaseJapan, kunye nomgangatho we-ISO. (Ukwenzela ireferensi)
20CrMo intsimbi elinganayo | |||||||||||||
eTshayina | i-USA | Jemani | Japhan | Fransi | e-UK | ISO | |||||||
Umgangatho | IBanga | Umgangatho | IBanga | Umgangatho | Ibakala (Inombolo yentsimbi) | Umgangatho | IBanga | Umgangatho | Ibakala (Inombolo yentsimbi) | Umgangatho | Ibakala (Inombolo yentsimbi) | Umgangatho | IBanga |
GB/T 3077 | 20CrMo | AISI SAE; I-ASTM A29/A29M |
4120 | I-DIN EN 10083-3 | 25CrMo4 (1.7218) | I-JIS G4053 | I-SCM420 | I-NF EN 10083-3, NF A35-551 |
I-25CrMo4 (1.7218), 18CD4 |
I-BS EN 10083-3, BS 970 icandelo 1 |
I-25CrMo4 (1.7218), 708M20 |
ISO 683-1 | 18CrMo4 |