Standards
Standards |
Seamless |
Welded |
ASTM |
A 269 / 312/ 213 |
A 269 / 312 / 358 / 249 / 409 / 778 |
440C Stainless Steel pipe Application
- Aerospace Industry
- Nuclear Power Plant Industry
- Chemical Industry
- Oil & Gas Industry
- Refineries Industry
- Petrochemical Industry
- Paper Industry
- Fertilizers Industry
440C Stainless Steel pipe Specification
- UNS = Unified Numbering System
- TYPE = Commonly used grade name
- AMS = Aerospace Society for Testing and Materials
- ASTM = American Society for Testing and Materials
- FEDERAL = Federal specifications
UNS |
TYPE |
AMS |
ASTM |
FEDERAL |
CHARACTERISTICS |
S44002 |
440A |
5631 |
A-276A-314 |
QQ-S-763 |
440 A, B, and C all have the same basic composition with varying high carbon contents. This produces higher strength/hardness with 440 versions. Corrosion resistant only in the hardened condition |
S44003 |
440B |
- |
A-276
A-314 |
QQ-S-763 |
|
S44004 |
440C |
56185630 5880 |
A-276A-314 A-493 |
QQ-S-763 |
440C Stainless Steel pipe Chemical Composition
Carbon |
0.95 to 1.20 |
% |
Manganese (Maximum) |
1.00 |
% |
Phosphorus (Maximum) |
0.040 |
% |
Sulfur (Maximum) |
0.030 |
% |
Silicon (Maximum) |
1.00 |
% |
Chromium |
16.00 to 18.00 |
% |
Molybdenum (Maximum) |
0.75 |
% |
Iron |
Balance |
440C Stainless Steel pipe Mechanical Properties
| Temp°C | Tensile (UTS)N/mm² | 0.2% YieldN/mm² | Elongation(50.8mm) % | HardnessHRc | Reductionof Area |
| 20 | 1965 | 1896 | 2 | 57 | 10 |