ST52 ST52-3 S355JR S355J0 bir wareeg ah oo adag
St52 waxaa iska leh bir bir ah oo aad u hooseeya oo aad u hooseeya, oo u dhiganta Shiinaha waxa st52 ay la mid tahay Q345B, ama 16mn iyo Q345D.Heerka birta siman waa ST52-3 S355JR S355J0.
Bar birta ah ayaa loo adeegsaday dhammaan noocyada kala duwan ee meelaha, sida duulista, hawada, navigation, tamarta nukliyeerka, warshadaha kiimikada, macluumaadka elektarooniga ah, soo saaridda mishiinka, petrochemical, baabuurta, qalab iyo mitir, isgaarsiinta, gaadiidka, iyo qalabka caafimaadka, iwm.
Heerka birta siman
| USA | Jabbaan | Gemany | Ingiriiska | Faransiiska | Caalami | Shiinees |
| ASTM&AISI&SAE | JIS | EN DIN | EN BS | EN NF | ISO | GB |
| Fasalka 50 | SPFC 590 | S355JR 1.0060 St52-3 | S355JR 1.0060 | S355JR 1.0060 | --- | Q345 |
Tilmaamid
| Dalka | Shiinaha | Japan | Jarmalka | USA | UK |
| Heerka | GB/T 699 | JIS G4051 | DIN (W-Nr.) | AISI/ASTM | EN/BS |
| EN 10083-2 | ASTM A20 | ||||
| Darajo | Q355/Q345 | / | S355 / ST52-3 / 1.1170 | / | EN14/150M19 |
Halabuurka Kiimikada (%)
| Qalab | ST52 ST52-3 S355JR S355J0 | ||
| Halabuurka Kiimikada | Guryaha Makaanikada (Xaalad la demiyay & kuwo xanaaqsan) | ||
| C | ≤0.20 | Xoog xajin (MPA) | 470-630 |
| Si | ≤0.55 | Awood wax-soo-saarka (MPA) | ≥345 |
| Mn | 1.00-1.60 | Saamaynta (J)(20,0 °C) | ≥34 |
| P | ≤0.040 | Kordhinta (δ5/%) | ≥21 |
| V | 0.02-0.15 | Adag | --- |
| S | ≤0.050 | ||
| Nb | 0.015-0.06 | ||
| Ti | 0.02-0.20 | ||
| Al | ≥0.015 | ||
Xaaladda gaarsiinta
Wixii kulul ama baararka duuban ee kulul, badiyaa xaalada dhalmadu waa mid kulul oo la been abuurtay ama duuban, la jeexjeexay, qallafsanaaday.
Saxan kulul oo foorjari ah, sida caadiga ah xaaladda dhalmadu waa mid kulul oo la been abuurtay, la jeexjeexay, oo la shiiday.
Saxan duuban oo kulul, sida caadiga ah xaaladda dhalmadu waa duuban kulul, la jeexjeexay, oog madow.
Alaabooyinka kale ee ugu muhiimsan ee birta
|
Alloy Steel | 4140 | 4142 | 42CrMo4 | 1.7225 | SCM440 | 4130 | SCM430 |
|
| 34CrNiMo6 | 1.6582 | 4340 | SNCM439 | 36CrNiMo4 | 1.6511 | SACN645 |
|
| SNC236 | 1.7218 | SMn438 | 25CrMo4 | 1340 | SMK22 | SCM421 |
|
Qalabka Birta | H13 | 1.2344 | SKD61 | D2 | D3 | 1.2379 | 1.2510 |
|
| 01 | SKS3 | SKD1 | 95MnWCr5 | 1.2419 | SKS31 | H21 |
|
| SKD5 | 1.2581 | P20 | 35CrMo7 | 1.2738 | 1.2316 | M2 |
|
Birta Xambaarsan | Gcr4 | GCr15 | 52100 | SUJ1 | SUJ2 | 100Cr6 | 1.2067 |
|
| 55C | 8620H | 4320H | 9310 | 440C | M50 | 9310H |
|
Birta Kaarboonka | 1045 | 1035 | 1020 | Q235 | A36 | ASTM A36 | SS400 |
|
| S45C | S35C | S20C | SS41 | St37-2 | 1.0402 | S235JR |
