Q345R Q245R ASTM A516 Gr 60/70 A283 Gr C Boiler Pressure Steel Plate
High-quality boiler and pressure vessel steel plates manufactured to meet ASME SA516 standards for moderate and lower-temperature service applications.
ASME SA516 Grade 70 Steel Plate Specifications
Material Standards & Designations
- Standard: ASME SA516 - Pressure Vessel Plates, Carbon Steel
- Grade: SA516 Grade 70
- Application: Moderate and Lower-Temperature Service
Heat Treatment Requirements
- Plates ≤40mm thickness: Normally supplied as-rolled
- Optional treatments: Normalized or stress relieved
- Plates >40mm thickness: Must be normalized
Available Supplementary Testing
HIC Test
NACE MR0175
Z15
Z25
Z35
S1
S2
S3
S4.1
S5
S6
S7
S8
S9
S11
S12
S14
S17
Dimensional Range
- Thickness: 6mm to 300mm
- Width: 1500mm to 4050mm
- Length: 3000mm to 15000mm
SA516 Grade 70 Chemical Composition
| Thickness Range |
C (%) |
Si (%) |
Mn (%) |
P (%) |
S (%) |
| <12.5mm |
0.27 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
| 12.5-50mm |
0.28 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
| 50-100mm |
0.30 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
| 100-200mm |
0.31 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
| >200mm |
0.31 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
Carbon Equivalent: Ceq = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15%
SA516 Grade 70 Mechanical Properties
| Thickness (mm) |
Yield Strength Min (MPa) |
Tensile Strength (MPa) |
Elongation Min (%) |
| 6-50 |
260 |
485-620 |
21 |
| 50-200 |
260 |
485-620 |
17 |
Related Steel Plate Products
Shipbuilding Steel Plate
Alloy Steel Plates
High Strength Plate
Carbon Steel Plate
Stainless Steel Plate
International Equivalent Grades
- Europe: P265GH, P275NH
- Germany: HII, HIII
- France: Fe 460-2-KG
- Italy: SS29, 12, 01
- Japan: SB410, SB450