Böhler Union S Ni1MoCr – UV 420 TTR-C
Submerged arc wire/powder combination, low-alloy, high-strength
Standard
- EN ISO 14171-AS 50 6 FB SZ2Ni1Mo0.3 H4
- AWS A5.23 / SFA-5.23F8A8-ENi1-Ni1-H4 / F8P8-ENi1-Ni1-H4
Class
(min. akma dayanımı 420 MPa’ya kadar)
S 42 5 FB S2Si H5
cast steels
Steels with high yield strength and similar alloyed cast steels, age-hardening steels, caustic-crack-resistant steels, and structural steels with similar yield strengths.
EN / DIN steels:
16Mo3, S275JR, S275J2G3, S355J2G3,
P275T1–P355T1, P275T2–P355T2, P255G1TH, S255N,
P295GH, P310GH, P315N–P420N, P315NH–P420NH,
BHW 2.5, WB 25
Coated electrode, mild steel, with a rutile-cellulose coating
ASTM A335 Gr. P1; A161-94 Gr. T1; A182M Gr. F1,
A204M Gr. A, B, C; A250M Gr. T1; A217 Gr. WC1,
API 5L X52–X65
S460N, S460M, S460NL, S460ML, S460Q, S460QL1,
P460N, P460NH, P460NL1, P460NL2,
L415NB, L415MB, L415QB,
API 5L X60, X65, X60Q, X65Q
Böhler Union S 4 Mo – UV 420 TTR Chemical Analysis
Percent by weight
|
C |
Ni |
Mon |
Mon |
|
|
Wire |
0.11 |
0.10 |
2.00 |
0.50 |
|
Base metal (full filler) |
0.07 |
0.20 |
1.85 |
0.45 |
Mechanical Properties of Böhler Union S 4 Mo – UV 420 TTR Metal
(Typical values / minimum values)
Unit: MPa, %
|
Status |
Yield Strength Rp0.2 (MPa) |
Tensile Strength Rm (MPa) |
Elongation A % (L0=5d0) |
-51°C |
-40°C |
-20°C |
20°C |
|
u, DC+ |
≥ 550 |
≥ 630 |
≥ 18 |
– |
≥ 47 |
≥ 80 |
≥ 120 |
|
a1, DC+ |
≥ 500 |
≥ 600 |
≥ 24 |
≥ 27 |
≥ 47 |
≥ 80 |
≥ 140 |
|
a2, DC+ |
≥ 355 |
≥ 510 |
≥ 26 |
– |
– |
– |
≥ 110 |
Work Data
- u: Unheat-treated, in a welded state
- a1: 2 hours / 600 °C
- a2: 920 °C + air cooling + 2 hours / 600 °C
Electrode Diameter (mm)
- Polarization: DC +
- Wire diameter (mm): 4.0
- Preheating and interpass temperature: 100–220 °C
Approvals
- –
is subject to change without prior notice
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Related products
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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