DIN EN 10273 1.7335 13CrMo4-5 Round bar
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DIN EN 10273
Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties;
DIN EN 10273 1.7335 (13CrMo4-5) is a low-alloy steel designed for elevated-temperature applications. It is commonly supplied as round bars and used in pressure vessels, boiler components.
- Standard: DIN EN 10273
- Steel Grade: 1.7335 / 13CrMo4-5
- Type: Low-alloy heat-resistant steel
- Form: Round bar
Chemical Composition (13CrMo4-5 / 1.7335)
| C | Si | Mn | P | S | Cr | Mo | N | Cu |
| 0.08 – 0.18 | max 0.35 | 0.4 – 1 | max 0.025 | max 0.01 | 0.7 – 1.15 | 0.4 – 0.6 | max 0.012 | max 0.3 |
Mechanical Properties
The mechanical properties of 1.7335 / 13CrMo4-5 round bars in heat-treated conditions:
| Property | Value |
|---|
| Tensile Strength (Rm) | 450–600 MPa |
| Yield Strength (ReH) | ≥ 280 MPa |
| Elongation (A) | ≥ 19% |
| Impact Toughness (KV) | ≥ 27 J (at 20°C) |
| Hardness (HB) | ≤ 250 |
13CrMo4-5 Round bar Size Range
Round Bars are available in the following ranges:
| Parameter | Range |
|---|---|
| Diameter | 10 mm – 500 mm |
| Length | 2 m – 12 m (custom lengths available) |
Equivalent Standards
| China | United States | International Organization for Standardization | European Standard | Russia | |
| GB | ASTM | ISO | EN | Numerical Grade | GOST |
| 15CrMoR GB/T 713.2-2023 |
A182 F11/12 ASME Ⅱ-A-2021 |
13CrMo4-5 ISO 9328-2018 |
13CrMo4-5 EN 10028-2017 |
1.7335 | 12ХМ |
DIN EN 10273 1.7335 / 13CrMo4-5 round bar is an excellent choice for high-temperature and high-pressure application.
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