What is St35.8 material
ST35. 8 comprises carbon, silicon, manganese, phosphorus, and sulfur. Carbon provides toughness and strength, silicon enhances strength and damage resistance, while manganese offers hardness and toughness, enabling the material to perform well at high temperatures.
DIN 17175 St35.8 Boiler Tubes Chemical Composition
| Standard | Grade | Chemical Composition Limits (%) | |||||
| C | Si | Mn | P,S | Cr | Mo | ||
| DIN 17175 | DIN 17175 St35.8 | ≤ 0.17 | 0.10-0.35 | 0.40-0.80 | ≤ 0.030 | / | / |
DIN 17175 St35.8 Tubes Standard Mechanical Properties
| Standard | Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| DIN 17175 | DIN 17175 St35.8 | 360-480 | ≥ 235 | ≥ 25 |
DIN 17175 St35.8 Equivalent
| EN | ISO | ASTM | GB | JIS |
| EN 10216-2 P235GH | ISO 9329-2 PH23 | ASTM A192 | GB/T 5310 20G | JIS G 3456 STPT410 |
DIN 17175 ST35.8 Tube Inspection & Test:
- Flattening Test-One flattening test shall be made on specimens from each end of one finished tube, not the one used for the flaring test, from each lot
- Flaring Test-One flaring test shall be made on specimens from each end of one finished tube, not the one used for the flattening test, from each lot
- Hydrostatic or Nondestructive Electric Test-Each tube shall be subjected to the nondestructive electric test or the hydrostatic test. The type of test to be used shall be at the option of the manufacturer, unless otherwise specified in the purchase order.
DIN17175 ST35.8 Boiler Seamless Pipe Factory
