ASTM A795 vs. ASTM A135 Steel Performance Comparison
1. Chemical Composition Comparison
| Element | ASTM A795 (Gr.B) | ASTM A135 (Grade B) |
|---|---|---|
| Carbon (C) | ≤0.26% | ≤0.30% |
| Silicon (Si) | ≤0.20% | ≤0.20% |
| Manganese (Mn) | ≤1.20% | ≤1.20% |
| Phosphorus (P) | ≤0.05% | ≤0.035% |
| Sulfur (S) | ≤0.05% | ≤0.035% |
2. Mechanical Properties Comparison
| Parameter | ASTM A795 (Gr.B) | ASTM A135 (Grade B) |
|---|---|---|
| Yield Strength | ≥240 MPa | ≥240 MPa |
| Tensile Strength | ≥415 MPa | ≥415 MPa |
| Elongation | ≥24% | ≥24% |
3. Mechanical Characteristics Comparison
| Characteristic | ASTM A795 | ASTM A135 |
|---|---|---|
| Straightness Requirement | ≤0.25% length | Not specified |
| Inspection Standard | 100% Weld Inspection | 100% Hydrostatic Test |
| Temperature Range | -20℃~+50℃ | -30℃~+80℃ |
4. Application Differences
ASTM A795: Fire protection system pipelines, dry electrical conduits, vehicle sprinkler systems
ASTM A135: Fluid transmission pipelines, building structural supports, mechanical manufacturing
A795 Fire Protection Sprinkler Pipe Factory
