Chemical composition
Nominal: mid-range where both limits are given, the cap where only a maximum is, balance takes the remainder. Exact specified ranges below.
| Element | Name | Content % | |
|---|---|---|---|
| Main elements5 elements | |||
| Fe | Iron | Bal. | |
| Cr | Chromium | 12.25 – 13.25% | |
| Ni | Nickel | 7.5 – 8.5% | |
| Mo | Molybdenum | 2 – 2.5% | |
| Al | Aluminium | 0.9 – 1.35% | |
| Element | Name | Content % | |
|---|---|---|---|
| Minor & residual6 elements | |||
| C | Carbon | ≤ 0.05% | |
| Mn | Manganese | ≤ 0.2% | |
| Si | Silicon | ≤ 0.1% | |
| P | Phosphorus | ≤ 0.01% | |
| S | Sulphur | ≤ 0.008% | |
| N | Nitrogen | ≤ 0.01% | |
Mechanical minima by form
Guaranteed values differ by form, size and delivery condition; quotations confirm the specification, form, size and condition.
| Form | Condition | Rm MPa | Rp0.2 MPa | A ≥ % |
|---|---|---|---|---|
| Bar and forgings | ||||
| Bar and shapes | H950 (510 °C × 4 h, air cooled) | ≥ 1515 (220 ksi) | ≥ 1415 (205 ksi) | ≥ 10 |
| Bar and shapes | H1000 (540 °C × 4 h, air cooled) | ≥ 1415 (205 ksi) | ≥ 1310 (190 ksi) | ≥ 10 |
| Bar and shapes | H1025 (550 °C × 4 h, air cooled) | ≥ 1280 (186 ksi) | ≥ 1210 (175 ksi) | ≥ 11 |
| Bar and shapes | H1050 (565 °C × 4 h, air cooled) | ≥ 1210 (175 ksi) | ≥ 1140 (165 ksi) | ≥ 12 |
| Bar and shapes | H1100 (595 °C × 4 h, air cooled) | ≥ 1035 (150 ksi) | ≥ 930 (135 ksi) | ≥ 14 |
| Bar and shapes | H1150 (620 °C × 4 h, air cooled) | ≥ 930 (135 ksi) | ≥ 620 (90 ksi) | ≥ 14 |
| Bar and shapes | H1150M (760 °C for 2 h, air cooled, then 620 °C for 4 h, air cooled) | ≥ 860 (125 ksi) | ≥ 585 (85 ksi) | ≥ 16 |
| Forgings | H950 (510 °C × 4 h, air cooled) | ≥ 1520 (220 ksi) | ≥ 1420 (206 ksi) | ≥ 10 |
| Forgings | H1150M (760 °C for 2 h, air cooled, then 620 °C for 4 h, air cooled) | ≥ 860 (125 ksi) | ≥ 585 (85 ksi) | ≥ 16 |
| Plate, sheet and strip | ||||
| Plate, sheet and strip | H950 (510 °C) | ≥ 1515 (220 ksi) | ≥ 1410 (205 ksi) | ≥ 10 |
| Plate, sheet and strip | H1000 (538 °C) | ≥ 1380 (200 ksi) | ≥ 1310 (190 ksi) | ≥ 10 |
| Several forms | ||||
| Bar, wire, forgings, rings and extrusions | H950 response specimen | ≥ 1517 (220 ksi) | ≥ 1413 (205 ksi) | ≥ 10 |
| Bar, wire, forgings, rings and extrusions | H1000 response specimen (default response-test condition) | ≥ 1413 (205 ksi) | ≥ 1310 (190 ksi) | ≥ 10 |
| Ultra-high-toughness bar, wire, forgings, rings and extrusions | H950 response specimen | ≥ 1517 (220 ksi) | ≥ 1413 (205 ksi) | ≥ 10 |
| Ultra-high-toughness bar, wire, forgings, rings and extrusions | H1000 response specimen | ≥ 1413 (205 ksi) | ≥ 1310 (190 ksi) | ≥ 10 |
Where this grade is recommended
Matched in 1 service conditions; ranks and scores computed from the condition-scoring matrix.
| Service condition | Industry | Temperature | Rank | Score |
|---|---|---|---|---|
| HS fasteners & shafts | Aerospace | ≤ 300 °C | 5 / 9 | 88 |
Designations & equivalents
| W.Nr. (Germany) | 1.4534 |
| EN designation | X3CrNiMoAl13-8-2 |
| Trade name(s) | PH13-8Mo / XM-13 |
| ASTM / AISI | A564 / A693 / A705 (Type XM-13) |
| AMS (SAE aerospace) | 5412 / 5629 / 5840 / 5934 |
Cross-references are common near-equivalents for search and shortlisting; substitution across standards requires clause-by-clause verification. All grades in one cross-reference table →
Applicable standards
7 specifications. Name the standard and its edition on the order.
Guaranteed values and required tests differ between specifications — see Mechanical minima by form for the figures per form.
Frequently asked questions
What is PH13-8Mo Stainless · UNS S13800?
PH13-8Mo Stainless · UNS S13800 — PH stainless steel. High-strength, high-toughness PH — airframe parts and highly stressed fasteners
What is the maximum service temperature of S13800?
Typically about 315 °C; the practical limit depends on media, stress and design life — acceptance per the governing standard.
What is the tensile strength of S13800?
The specified minimum tensile strength is 1515 MPa for the main product form. Minima for other forms and sizes are listed under "Mechanical minima by form" on this page.
Which standards cover S13800?
ASTM A564/A564M, ASTM A693, ASTM A705/A705M, AMS5629, AMS5934, AMS5412, AMS5840
Where is S13800 typically used?
HS fasteners & shafts (Aerospace)
In which forms is S13800 available?
Tube, plate, strip, bar, forgings, wire and other forms — sizes and delivery condition confirmed per order, with EN 10204 3.1 / 3.2 certification.
Same series
Download PDF datasheet
This grade’s datasheet as an A4 PDF — for filing, printing or forwarding to colleagues.
Download PDF datasheetSupply & enquiry
Tube & pipeφ1 – 219 × 0.25 – 25 mm
Plate4.76 – 80 mm
Barφ8 – 300 mm
Wire & filler metalsφ0.01 – 8 mmFor this grade we can supply, against your service conditions:
- Tube, plate, strip, bar, forgings, wire and more — with size range and lead time
- Chemistry and mechanical test report (EN 10204 3.1 / 3.2)
- Like-for-like alternatives and selection advice
- Applicable standards and inspection scope
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