ST52 ST52-3 S355JR S355J0 siri ike aro ígwè gburugburu mmanya.
St52 bụ nke obere alloy elu-ike ígwè, kwekọrọ na China ihe st52 bụ hà Q345B, ma ọ bụ 16mn na Q345D.The hà nchara ọkwa bụ ST52-3 S355JR S355J0.
The ígwè mmanya e ji ihe niile di iche iche nke ebe, dị ka ụgbọ elu, aerospace, igodo, nuklia ike, chemical ụlọ ọrụ, electronic ọmụma, igwe nrụpụta, petrochemical, automotive, ngwá na mita, nkwurịta okwu, mbufe, na ọgwụ ngwá, wdg.
Ọkwa ígwè hà nhata
| USA | Japanese | Gemany | British | France | Mba ụwa | Chinese |
| ASTM&AISI&SAE | JIS | EN DIN | EN BS | EN NF | ISO | GB |
| Nkeji 50 | SPFC 590 | S355JR 1.0060 St52-3 | S355JR 1.0060 | S355JR 1.0060 | ------ | Q345 |
Nkọwapụta
| Obodo | China | Japan | Germany | USA | UK |
| Ọkọlọtọ | GB/T 699 | JIS G4051 | DIN (W-Nr.) | AISI/ASTM | EN / BS |
| EN 10083-2 | ASTM A20 | ||||
| Ọkwa | Q355/Q345 | / | S355 / ST52-3 / 1.1170 | / | EN14/150M19 |
Ngwakọta kemịkalụ (%)
| Ihe onwunwe | ST52 ST52-3 S355JR S355J0 | ||
| Ngwakọta kemịkalụ | Ngwongwo arụrụ arụ(Na steeti emenyụọ na iwe) | ||
| C | ≤0.20 | Ike tensile (MPA) | 470-630 |
| Si | ≤0.55 | Ike mpụta (MPA) | ≥345 |
| Mn | 1.00-1.60 | Mmetụta (J)(20,0 Celsius C) | ≥34 |
| P | ≤0,040 | Mgbatị (δ5/%) | ≥21 |
| V | 0.02-0.15 | Isi ike | --- |
| S | ≤0,050 | ||
| Nb | 0.015-0.06 | ||
| Ti | 0.02-0.20 | ||
| Al | ≥0.015 | ||
Ọnọdụ nnyefe
Maka ụlọ mmanya akpara akpa ma ọ bụ na-ekpo ọkụ na-ekpo ọkụ, na-abụkarị ọnọdụ nnyefe na-ekpo ọkụ ma ọ bụ tụgharịa, annealed, tụgharịa siri ike.
Maka efere adịgboroja na-ekpo ọkụ, ọ na-abụkarị ọnọdụ nnyefe na-ekpo ọkụ ka a na-emepụta ya, annealed, na-egweri elu.
Maka efere na-ekpo ọkụ na-ekpo ọkụ, na-emekarị ọnọdụ nnyefe na-ekpo ọkụ na-ekpo ọkụ, annealed, nwa ojii.
Ngwaahịa ndị ọzọ bụ isi nke ígwè
|
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 |
|
Ngwá Ọrụ Steel | 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 |
|
Na-agba ígwè | Gcr4 | GCr15 | 52100 | SUJ1 | SUJ2 | 100Cr6 | 1.2067 |
|
| 55C | 8620H | 4320H | 9310 | 440C | M50 | 9310H |
|
Carbon ígwè | 1045 | 1035 | 1020 | Q235 | A36 | ASTM A36 | SS400 |
|
| S45C | S35C | S20C | SS41 | St37-2 | 1.0402 | S235JR |
