Böhler Union S 2 Mo – UV 418 TT
Submerged arc welding (SAW) wire/flux combination, low-alloy, high-strength
Standard
- EN ISO 14171-A
- AWS A5.23 / SFA-5.23
- S 50 6 FB SZ2Ni1Mo0,3 H5
- F8A10-ENi1-Ni1 – F8P10-ENi1-Ni1
Böhler Union S 2 NiMo 1 – UV 418 TT Properties and Typical Applications
Union S 2 NiMo 1 – UV 418 TT, alaşımsız ve düşük alaşımlı çeliklerin tozaltı kaynağı için geliştirilmiş bir tel/toz kombinasyonudur. Özellikle multi-pass fillet welding of medium- and high-strength steels için tavsiye edilir.
Main applications:
- Offshore structures (e.g., wind energy)
- Oil and gas industry
- involving sour service (environments containing H₂S) Applications
Kaynak metali, excellent impact toughness at low temperatures gösterir.
Tüm kaynak metali deneylerinde, even at very low test temperatures (ör. -50 °C / -60 °C) excellent CTOD results rapor edilmiştir.
UV 418 TT, yüksek bazikliğe sahip, produced by the agglomeration method ve metalurjik olarak nötr davranış gösterir. Toz ile ilgili detaylı bilgiler, toza ait ayrı teknik föyde bulunmaktadır.
cast steels
- General-purpose structural steels
- Shipbuilding steels
- Minimum yield strength of 460 MPa kadar orta ve yüksek dayanımlı çelikler
Böhler Union S 2 NiMo 1 – UV 418 TT Chemical Analysis
(% by weight – total base metal)
|
C |
Ni |
Mon |
Si |
Mon |
S |
P |
|
0.06 |
0.20 |
1.20 |
0.93 |
0.25 |
≤ 0.010 |
≤ 0.012 |
Mechanical Properties of Böhler Union S 2 NiMo 1 – UV 418 TT Weld Metal
(Typical values – minimum values)
Condition: DC+
|
Status |
Yield Strength Rp0.2 (MPa) |
Tensile Strength Rm (MPa) |
Elongation A (%) |
-60 °C |
to -40 °C |
+20 °C |
|
u (with source) |
≥ 500 |
≥ 570 |
≥ 25 |
≥ 70 |
≥ 120 |
≥ 180 |
|
a1 |
≥ 470 |
≥ 550 |
≥ 25 |
≥ 80 |
≥ 140 |
≥ 180 |
|
a2 |
≥ 470 |
≥ 550 |
≥ 25 |
≥ 80 |
≥ 140 |
≥ 180 |
|
a3 |
≥ 260 |
≥ 480 |
≥ 30 |
≥ 27 |
≥ 50 |
≥ 120 |
|
a4 |
≥ 350 |
≥ 470 |
≥ 30 |
≥ 140 |
≥ 180 |
≥ 200 |
Heat treatment descriptions:
- u: No heat treatment; in welded condition
- a1: 15 hours / 580 °C
- a2: 1 hour / 620 °C
- a3: 1 hour / 920 °C / air
- a4: 1 hour / 920 °C / air + 2 hours / 620 °C / air
Electrode Diameter (mm)
- Work Data DC / AC
- Current Values DC+ / AC
Wire Diameters (mm)
- 2.5
- 3.2
- 4.0
Approvals
- LR
- Date:
- ABS
Date:
Verilen tüm bilgiler dikkatli inceleme ve yoğun araştırmalara dayanmaktadır.
Ancak bilgilerin doğruluğu konusunda herhangi bir sorumluluk kabul edilmez ve bilgiler önceden haber verilmeksizin değiştirilebilir.
Related products
Böhler Union S 2 – UV 306
SAW wire/flux combination, mild steel
Standard
- EN ISO 14171-A
- AWS A5.17 / SFA-5.17
- S 42 3 AR S2 H4
- F7A2-EM12-H4
Class
Union S 2 – UV 420 TT-LH is an agglomerated fluoride-basic flux with high basicity and neutral metallurgical behavior. It is suitable for single-pass (DC) and tandem (DC and AC) welding. It exhibits excellent slag separation properties even in narrow-gap welding. It is particularly suitable for multi-pass welding of medium- and high-strength steels. It provides excellent impact toughness in the weld metal at low temperatures.
UV 420 TT-LH is an agglomerated fluoride-basic flux with high basicity and neutral metallurgical behavior. For more information about this welding flux, please refer to the detailed technical data sheet.
Böhler Union S 3 NiMo 1 – UV 420 TTR-C
Submerged-arc wire/flux combination, low-carbon steel
Standard
|
Features and Typical Applications |
Definition |
|
EN ISO 26304-A |
S 46 6 FB S3Si H4 |
|
AWS A5.23 / SFA-5.23 |
Union S 4 Mo – UV 420 TTR is a wire-flux combination designed for submerged arc welding (SAW) of unalloyed and low-alloy steels. It is suitable for single-wire (DC) welding. It provides excellent slag separation even in narrow-groove welds. The flux is particularly suitable for multi-pass fillet welding of medium-strength steels. It ensures good impact toughness in the weld metal at low temperatures. |
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