CORRESPONDENCE TO INTERNATIONAL DESIGNATIONS
QUALITY | EUROPE | GERMANY | FRANCE | SPAIN | G.B. | USA | |
---|---|---|---|---|---|---|---|
EN | DIN | W.n. | AFNOR | UNE | B.S. | AISI/SAE | |
AISI 4130 | 25/30CrMo4 | 1.7218 | 708A25 | 4130 |
CHEMICAL ANALYSIS
STEEL DESIGNATION | CHEMICAL ANALYSIS | ||||||||
---|---|---|---|---|---|---|---|---|---|
SYMBOLIC | C | Mn | Si | P max |
S max |
Cr | Mo | V | Al max |
AISI 4130 | 0,28 ÷ 0,33 | 0,40 ÷ 0,60 | 0,15 ÷ 0,35 | 0,035 | 0,040 | 0,60 ÷ 1,10 | 0,15 ÷ 0,25 | - | - |
MECHANICAL CHARACTERISTICS
STEEL | d ≤ 16mm | 16mm < d ≤ 40mm | 40mm < d ≤ 100mm | 100mm < d ≤ 160mm | |||||||||||||
SYMBOLIC | NUMERIC | Re min | Rm | A min | KCU min | Re min | Rm | A min | KCU min | Re min | Rm | A min | KCU min | Re min | Rm | A min | KCU min |
N/mm2 | % | J | N/mm2 | % | J | N/mm2 | % | J | N/mm2 | % | J | ||||||
AISI 4130 | 1,7218 | 685 | 880 ÷ 1080 |
12 | 32,5 | 635 | 830 ÷ 1030 |
12 | 32,5 | 520 | 740 ÷ 880 |
13 | 30 | 420 | 690 ÷ 830 |
15 | 30 |
JOMINY HARDENABILITY
STEEL DESIGNATION | RANGE LIMITS | HRC HARDNESS MEASURED FROM THE QUENCHED END OF THE TEST TUBE (MM) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SYMBOLIC | NUMERIC | 1,5 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 20 | 25 | 30 | 35 | 40 | |
AISI 4130 | 1.7218 | max | 56 | 55 | 53 | 51 | 49 | 47 | 45 | 42 | 39 |
37 |
35 | 33 | 32 |
min | 46 | 45 | 42 | 38 | 35 | 30 | 28 | 26 | 24 | 23 | 21 | 20 | - |
USUALLY AVAILABLE EX STOCK
M.T. COLORATION | QUALITY | HEAT TREATMENT | SURFACE | DIAMETER (mm) |
---|---|---|---|---|
AISI 4130 | Quenched and tempered | rolled | 80-350 |
Download technical sheet |