Böhler Thermanit 309L – Marathon 801
SAW wire/flux combination, high-alloy austenitic stainless steel, for special applications
(Avesta P5 – Avesta Flux 805)
Standard
- EN ISO 14343-A
- AWS A5.9 / SFA-5.9
- EN ISO 14174
- S 23 12 2 L
- ER309LMo (mod.)
- S A AF 2 DC
You can find information about the properties and typical applications of Böhler Thermanit 309 L Mo – Marathon 805.
Thermanit 309L Mo – Marathon 805, tozaltı kaynağı (SAW) için bir tel/akı kombinasyonudur.
S 23 12 2 L / ER309LMo (mod.) tipinde dolu tel olup;
- For cladding low-alloy steels, welding with Böhler Thermanit 309L is ideal.
- In dissimilar metal welds involving duplex and stainless steels with unalloyed and low-alloy steels
is used.
The base metal has an austenitic–ferritic structure. In cladding applications, the composition is largely equivalent to that of the 1.4401 / 316 base material, even from the first pass. It is designed to provide excellent weldability and wetting properties and offers high resistance to cracking. These properties are provided by Böhler Thermanit 309L.
- Ferrite (Fischer Feritscope): –40 °C to 300 °C
- Corrosion resistance: Superior to 1.4404 / 316L even in the first coating layer
- Oxidation (tuffing) temperature: Approximately 950 °C in air
The former product name for SAW wire is **“Avesta P5”**.
“Avesta Flux 805”is an agglomerated basic flux that provides good welding properties, a clean weld bead appearance, and easy slag removal. It prevents excessive chromium burn-off (Cr loss). For more information about this submerged-arc welding flux, please refer to the separate technical data sheet. The former product name for this SAW flux is **“Avesta Flux 805”**.
Böhler Thermanit 309L ‘nin kullanılabildiği Ana Malzemeler
- Through dissimilar metal joints made with stainless steels and unalloyed or low-alloy steels, Böhler Thermanit 309L can be used in many industries.
- Cladding of low-alloy steels
Typical Chemical Analysis
Percent by weight
|
C |
Ni |
Mon |
Feature |
Si |
Mon |
Ni |
|
|
Wire |
0.02 |
0.35 |
1.5 |
21.5 |
15.0 |
2.7 |
8 |
|
Base metal |
0.01 |
0.50 |
1.1 |
22.0 |
14.8 |
2.6 |
10 |
Elongation A % (L₀ = 5d₀)
(Typical values—minimum values in parentheses)
|
Status |
Yield Strength Rp0.2 (MPa) |
Tensile Strength Rm (MPa) |
Elongation A % (L₀ = 5d₀) |
Notch Impact Energy ISO-V kV (J) |
|
70 (≥47) |
420 (≥ 380) |
600 (≥ 550) |
30 (≥ 24) |
≥ 70 |
u: Untreated, in a welded state
Parameter
|
Wire Diameter (mm) |
Work Data |
Voltage (V) |
|
2.4 |
300–400 |
29–33 |
|
3.2 |
350–500 |
29–33 |
|
4.0 |
425–575 |
30–34 |
- Temperature between the preheating zone and the passing zone: Depends on the base material and should not exceed 150 °C
- Recommended maximum heat input: 15–20 mm
- Current Values T 42 4 B C1 3 H5
Düşük alaşımlı çeliklerin yer aldığı farklı metal birleşimlerinde, gerilim giderme tavı önerilebilir. Ancak bu alaşım tipi, 550–950 °C sıcaklık aralığında gevrekleşmeye neden olabilecek çökelmelere duyarlı olabilir. Uygun ısıl işlem için her zaman ana malzeme tedarikçisine danışılmalı veya uzman görüşü alınmalıdır. Böhler Thermanit 309L bu sıcaklık aralığı için uygun bir seçim olabilir.
Approvals
- DNV GL
Verilen tüm bilgiler dikkatli inceleme ve kapsamlı araştırmalara dayanmaktadır.
Ancak doğruluk konusunda herhangi bir sorumluluk kabul edilmez ve bilgiler önceden haber verilmeksizin değiştirilebilir.
November 2019 – Metal-powder-filled wire, structural steel
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