ST52 ST52-3 S355JR S355J0 Solid shaft steel round bar
St52 belongs to low-alloy high-strength steel,Corresponding to China what material st52 is equal to Q345B, or 16mn and Q345D. The equal steel grade is ST52-3 S355JR S355J0.
The steel bar have been used in all kinds of areas, such as aviation,aerospace,navigation,nuclear energy,chemical industry,electronic information,machine manufacture, petrochemical, automotive,instrument and meter, Communication ,transportation, and medical instruments, etc.
The equal steel grade
| USA | Japanese | Gemany | British | France | International | Chinese |
| ASTM&AISI&SAE | JIS | EN DIN | EN BS | EN NF | ISO | GB |
| Grade 50 | SPFC 590 | S355JR
1.0060 St52-3 |
S355JR
1.0060 |
S355JR
1.0060 |
------ | Q345 |
Specification
|
Country |
China |
Japan |
Germany |
USA |
UK |
|
Standard |
GB/T 699 |
JIS G4051 |
DIN (W-Nr.) |
AISI/ASTM |
EN / BS |
|
EN 10083-2 |
ASTM A20 |
||||
|
Grade |
Q355/Q345 |
/ |
S355/ST52-3/1.1170 |
/ |
EN14/150M19 |
Chemical Composition (%)
| Material | ST52 ST52-3 S355JR S355J0 | ||
| Chemical Composition | Mechanical Properties(In Quenched & Tempered State) | ||
| C | ≤0.20 | Tensile strength(MPA) | 470-630 |
| Si | ≤0.55 | Yield strength (MPA) | ≥345 |
| Mn | 1.00-1.60 | Impact (J)(20，0 °C) | ≥34 |
| P | ≤0.040 | Elongation(δ5/%) | ≥21 |
| V | 0.02-0.15 | Hardness | --- |
| S | ≤0.050 | ||
| Nb | 0.015-0.06 | ||
| Ti | 0.02-0.20 | ||
| Al | ≥0.015 | ||
Delivery condition
For hot forged or hot rolled bar, usually the delivery condition is hot forged or rolled, annealed, rough turned.
For hot forged plate, usually the delivery condition is hot forged, annealed, milled surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed, black surface.
Other Main Products of steel
|
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 |
|
Tool 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 |
|
Bearing Steel |
Gcr4 |
GCr15 |
52100 |
SUJ1 |
SUJ2 |
100Cr6 |
1.2067 |
|
|
55C |
8620H |
4320H |
9310 |
440C |
M50 |
9310H |
|
Carbon Steel |
1045 |
1035 |
1020 |
Q235 |
A36 |
ASTM A36 |
SS400 |
|
|
S45C |
S35C |
S20C |
SS41 |
St37-2 |
1.0402 |
S235JR |
