PH 13-8 MO: The high-strength special stainless steel WL 1.4534 for demanding aerospace applications
The high-strength, martensitic stainless steel with approx. 13% chromium and 8% nickel content impresses with a combination of high tenacity and ductility under dynamic loads. At the same time, PH 13-8 MO can be used in a wide temperature range from -200°C to approx. 315°C. Due to its excellent mechanical properties as well as its good corrosion resistance even in challenging environments, WL 1.4534 is used for demanding applications in aerospace, mechanical engineering as well as in the automotive industry – from single screws and bolts to high-pressure pumps and more. For whatever planned application: At robemetall you can obtain PH 13-8 MO (WL 1.4534) in a wide variety of gradations and delivery forms for your specific needs – we are your reliable partner for high-performance materials!
High-strength special stainless steel PH 13-8 MO for demanding applications: Rely on robemetall as your experienced partner for your purchase of WL 1.4534 and many other materials – we offer the right solution for every material requirement!
PH 13-8 MO: The properties of WL 1.4534 at a glance
PH 13-8 MO's versatile properties make the stainless steel a reliable choice for applications in demanding environments – components made from WL 1.4534 are used in aerospace, as well as in the petrochemical and nuclear industries, injection molding and beyond.
WL 1.4534 (PH 13-8 MO) at a glance:
- Good resistance to general corrosion as well as stress corrosion cracking
- Strong mechanical properties even under demanding environmental conditions
- Can be used in the temperature range from -200°C to 315°C
- Medium to high toughness and strength
- Strength can be increased by subsequent heat treatment (annealing and subsequent ageing)
- Good forgeability as well as good weldability
- High purity and quality due to lower sulfur and phosphorus contents
Depending on the type of heat treatment, various properties of the special stainless steel PH 13-8 MO can be generated. We have the material 1.4534 in stock in several variations:
- WL 1.4534.9 (Cond. A)
- WL 1.4534.4 (Cond. H1050)
- WL 1.4534.5 (Cond. H1000)
- WL 1.4534.6 (Cond. H950)
- AMS 5864 for plates and sheets
- AMS 5629 for roundbars
Would you like individual advice on the selection of PH 13-8 MO or the various gradations? Talk to our experts – together we will determine the best solution for your material needs!
Delivery forms for every requirement: robemetall offers PH 13-8 MO (WL 1.4534) in numerous variations
The standard WL 1.4534 is recognized by both the German Federal Office of Civil Aeronautics and the German Federal Office of Defense Technology and Procurement – robemetall supplies you with the high-strength special stainless steel PH 13-8 MO suitable for your requirements in various delivery forms according to both German and international specifications.
The robemetall delivery forms for WL 1.4534:
- Roundbars
- Stainless steel sheets
- Stainless steel plates
Depending on your requirements we can realize individual cuts for PH 13-8 MO. In our modern sawing center, we work with both saw and water jet cutting according to your needs. For adaptive manufacturing (3D printing) we also offer metal powder.
In addition, you will find the right material for every application in robemetall's product range – discover our extensive portfolio:
- Stainless steel & stainless steel alloys (e.g., 15-5 PH, 17-4 PH, 1.4301, 1.7734 and many more)
- Aluminum alloys & aluminum semi-finished products (e.g., EN AW-2024, EN AW-6061, EN AW-7075)
- Titanium & titanium alloys (e.g., titanium grade 2 and titanium grade 5)
- Special & refractory materials (Invar® 36, Tungsten, Alloy 42, etc.)
Rely on our expertise and experience for material selection to meet your individual needs – contact us to discuss your specific material requirements with our experts!
Chemical composition in %
| C[%] | Si[%] | Mn[%] | P[%] | S[%] | Cr[%] | Mo[%] | Ni[%] | Al[%] | N[%] |
| ≤0,05 | ≤0,1 | ≤0,1 | ≤0,1 | ≤0,008 | 12,25-13,25 | 2,0-2,50 | 7,5-8,5 | 0,9-1,2 | ≤0,01 |
Mechanical properties 1.4534 (round bars)
| .9 | .4 | .5 | .6 | ||||
|---|---|---|---|---|---|---|---|
| Heat treatment | solution annealed | hardened | hardened | hardened | hardened | hardened | hardened |
| sample direction | sample direction | TR | LT | TR | LT | TR | |
| 0,2% Yield point [N/mm2] | - | 1150 | 1150 | 1320 | 1320 | 1400 | 1340 |
| Tensile strength [N/mm2] | - | 1220≤Rm≤1400 | 1220≤Rm≤1400 | 1400≤ Rm≤1550 | 1400≤ Rm≤1550 | 1500 ≤ Rm≤ 1650 | 1450 ≤ Rm≤ 1600 |
| elongation at break A5 [%] | - | 10 | 10 | 9 | 9 | 9 | 8 |
| Härte [HB] | ≤363 | 38≤HRC≤43 | 38≤HRC≤43 | 43≤HRC≤47 | 43≤HRC≤47 | 44≤HRC≤48 | 44≤HRC≤48 |
PH 13-8 MO (WL 1.4534) & more: Cover your demand for high-performance materials with robemetall
Being a reliable partner for your purchase of high-performance materials – this has been our mission statement for more than 15 years. We act as an extended arm of your purchasing department – with a broad portfolio and customer-oriented service, we enable easy and reliable material procurement for any application – rely on our strengths.
- Ideal material solutions from a single source: Whether stainless steel such as PH 13-8 MO, semi-finished aluminum products and alloys, or titanium and special materials – in our extensive product range you will find a suitable material solution for every requirement. We do not only stock materials such as WL 1.4534 in accordance with German standards, but also international standards, and can therefore provide the best possible response to any inquiry.
- Aviation approval according to EN 9120:2018: robemetall has the certification of aviation approval according to EN 9120:2018 and is accordingly audited annually. Thus, we offer not only aerospace companies but all of our customers the assurance that both products and processes meet the highest quality standards possible.
- Qualified consulting: If you need support in selecting your materials, you can always rely on robemetall's expertise. We will advise you competently according to your individual needs and will prepare quotations for your material solutions which are in line with the market.
- Reliable & speedy processing: The reliable and speedy processing of your inquiries and orders is an important concern for us at robemetall. Thanks to our optimized warehousing, well thought-out logistics and a strong partner network, we guarantee a smooth process even for uncommon inquiries.
Do you need PH 13-8 MO (WL 1.4534) with specific properties or in a special delivery form? Do you have any questions about our overall product range or are you in need of personal advice? Contact us by phone at 06033 / 92 89 90, by e-mail or via our contact form – we look forward to your inquiry!
