Shuruudaha isku-darka kiimikada,%,
C: ≤0.30
MN: 0.29-1.06
P: ≤0.025
S: ≤0.025
Si: ≥0.10
NI: ≤0.40
CR: ≤0.30
Cu: ≤0.40
V: ≤0.08
NB: ≤0.02
Mo: ≤0.12
* Waxyaabaha Mangaganese ah waxaa laga yaabaa in lagu kordhiyo 0.05% mid kasta oo ah 0.01% hoos udhaca kaarboonka ilaa 1.35%.
** Qeybta niobium, oo ku saleysan heshiiska, waxaa laga yaabaa in lagu kordhiyo illaa 0.05% ee falanqaynta dhalaasha ah iyo 0.06% ee falanqaynta badeecada la dhammeeyay.
Shuruudaha daaweynta kuleylka:
1. Caadi ahaan kor ku xusan 815 ° C.
2. Caadi ahaan kor ku xusan 815 ° C, ka dibna xanaaq.
3. Kuleyl ayaa la sameeyay inta u dhaxaysa 845 iyo 945 ° C, ka dibna la qaboojiyey foornada ka sarreeya 845 ° C (oo loogu talagalay tubbooyinka aan kala go 'lahayn).
4. Lagu xiray ka dibna u xanaaqay sida dhibicda kore ee 3.
5. Adkeyn ka dibna xanaaq badan yahay 815 ° C.
Shuruudaha waxqabadka farsamada:
Xoog dhalid: ≥240mpa
Xoog TSenlisle: ≥415mpa
Deeqda:
| Sanbal | A333 GR.6 | |
| Toosan | Ka rogay | |
| Qiimaha ugu yar ee wareegga caadiga ahMuunad ama muunad cabir yar oo leh fogaan calaamado ah oo ah 4D | 22 | 12 |
| Muunadaha afarta gees leh oo leh dhumucyo darbi ah oo ah 5/16 gudaha.Qeybtaan oo buuxa oo ah 2 gudaha. (50 mm)calaamadaha | 30 | 16.5 |
| Muunadaha afarta gees leh illaa 5/16 gudaha. (7.94 mm) dhumucdii darbiga ee 2 gudaha. | A | A |
U oggolow 1.5% dhimista dhererka dhererka ah iyo 1.0% dhimista oo ku beddelanaysa codadka mid kasta oo ah 1/32 mid kasta oo ka mid ah dhumucda darbiga illaa 5/16 gudaha.
Imtixaanka Saamaynta
Heerkulka Tijaabada: -45 ° C
Marka loo isticmaalo muunada saameynta ee jahwareerka ah ee muunadaha yar-yar ee muunadaha ah in ka yar 80% dhumucda dhabta ah ee maaddada, heerkulka tijaabada ee heerka hoose waa in lagu xisaabiyaa shaxda 6 ee ASTM AY333.
| Muunad, mm | Celcelis ahaan ugu yaraan saddex muunad | Qiimaha ugu yar ee one of Saddexda muunadood |
| 10 × 10 | 18 | 14 |
| 10 × 7.5 | 14 | 11 |
| 10 × 6.67 | 12 | 9 |
| 10 × 5 | 9 | 7 |
| 10 × 3.33 | 7 | 4 |
| 10 × 2.5 | 5 | 4 |
Tuubbooyinka birta waa inay noqdaan biyo-sicir-barar ama aan wax burburin karin (eddy hadda ama ultrasonic) oo ku saleysan laambad-by.
Dulqaadashada dhexroorkii dibedda ee tuubbada birta:
| Dhexroor dibadda ah, mm | dulqaad wanaagsan, mm | Dulqaad xumo, mm |
| 10.3-48.3 | 0.4 | 0.4 |
| 48.3<D≤114.3 | 0.8 | 0.8 |
| 114.3<D Sa219.10 | 1.6 | 0.8 |
| 219.1<D 1857.2 | 2.4 | 0.8 |
| 457.2<DEEH660 | 3.2 | 0.8 |
| 660<DEE864 | 4.0 | 0.8 |
| 864<D Sa1219 | 4.8 | 0.8 |
Dulqaadashada dhumuc ee darbiga ee tuubada birta:
Meel kasta ma ka yarayn karo 12.5% dhumucda darbiga. Haddii dhumucda darbiga ugu yar ee la amro, wax dhibic kama yaraan doonto dhumucda darbiga ee loo baahan yahay.
Waqtiga Post: Febraayo-22-2024