Table of Content
- EN18B Alloy Steel Round Bar Specification
- Equivalent Material of EN18B Steel Black Bar
- List of EN18B Alloy Steel Round Bar Types
- Tolerance of EN 18B Square Bar
- Delivery Conditions of BS970 EN18B Forged Bar
- EN18B Grade Steel Hex Bar Chemical Composition
- Physical Properties of Steel EN18B Square Bar
- Hardness Range of EN18B BS970 Flat Bar
- EN18B Grade Hexagonal Bar Mechanical Properties
Check EN18B Steel Black Bar Standard and DIN 37Cr4 Rounds, Specification
Refer American Standard of BS970 EN18B Forged Bar
| Internal Standard | Equivalent Grades | |||||
|---|---|---|---|---|---|---|
| BS | DIN | IS | EN | SAE/AISI | ||
| EN18B | 530A40 | 37Cr4 | 40Cr1 | EN18B | 5140 | |
EN18B Steel Rod
BS970 EN18B Square Bar
EN18B Grade Steel Flat Bar
Steel EN18B Forged Bar
EN18B Steel Annealed Round Bar
EN18B Medium Alloy Steel Rounds
EN18B BS970 Hot Rolled Bar Stock
EN18B Grade Bright Bar
View Steel EN18B Square Bar in tolerances H6/ H7/ H8/ H9/ H10/ H11 & H12
| Type | Peeled and Polished | Cold Drawn and Polish | Cold Drawn and Ground | Peeled and Ground |
|---|---|---|---|---|
| Size (mm) | 40.00 – 150.00 | 3.00 – 75.00 | 10.00 – 75.00 | 20.00 – 50.00 |
| Size (Inches) | 1.50" – 6.00" | 1/8" – 3.00" | 5/6" – 2.50" | 3/4″ – 2.00" |
| ISO Tolerance | h11, h11-DIN 1013 | h8-h9-h10-h11 | h8-h9-h10-h11 | h9-h10-h11 |
- Normalizing condition
- Annealing condition
- Hot-rolled condition
- Solid Solution condition
- Tempering condition
- Cold drawn (rolled) condition
Check EN18B Medium Alloy Steel Rod Chemical Composition
Carbon
.35 – .45
Mangenese
.60 – 1.00
Silicon
.10 – .35
Sulfur
.050 MAX
Phosphorus
.050 MAX
Density
7.85 g/cm³
Modulus of Elasticity
210 GPa (30.5 x 10^6 psi)
Thermal Conductivity
45 W/m·K
Thermal Expansion
11.7 x 10^-6 /°C
Melting Point
1425-1540°C (2600-2800°F)
| Properties | Brinell hardness |
|---|---|
| Value | 244 HBW |
View Mechanical Strength and Physical Properties of EN18B Grade Hexagonal Bar
Impact KCV
55 Joules Min
Max Stress
850-1000 n/mm2
Hardness
248-302 HB
0.2% Proof Stress
680 N/mm2 Min
Yield Stress
700 N/mm2 Min
Elongation
9% Min
| Export to | Price changes and the expected delivery |
|---|---|
| Vietnam | 5 % extra | 14 days |
| Sri Lanka | 5 % extra | 5 days |
| Bangladesh | 5 % extra | 14 days |
| Mayanmar | 5 % extra | 25 days |
| Taiwan | 5 % extra | 15 days |