Böhler Diamondspark DMO RC

Class

This is a seamless, nickel-alloyed metal-cored welding wire that can be used in all positions. It is suitable for single- or multi-pass welding of carbon steels, carbon-manganese steels, and high-strength steels using Ar-CO₂ shielding gas.

Key features:

• Perfect stitch appearance
• Good traceability
• Perfect stitch appearance
• Very low bounce loss
• Superior mechanical properties at low temperatures (-60°C), even in the as-welded condition and after post-weld heat treatment

It is particularly suitable for root pass welding in offshore and pipeline applications. This product can be used in sour gas applications. (It has passed the HIC test in accordance with NACE TM-0284.) SSC test results are available upon request. The wire has passed the CTOD test at -40°C.

cast steels

S355JR, S355J0, S355J2, S450J0, S355N–S460N, S355NL–S460NL, S355M–S460M, S355ML–S460ML,
S460Q, S500Q, S460QL, S500QL, S460QL1, S500QL1,
P355GH, P355NH, P420NH, P460NH, P355N–P460N, P355NH–P460NH,
P355NL1–P460NL1, P355NL2–P460NL2,
L245NB–L415NB, L245MB–L485MB, L360QB–L485QB,
aldur 500Q, aldur 500QL, aldur 500QL1

ASTM / API:

ASTM A350 Gr. LF2;
A516 Gr. 65, 70;
A572 Gr. 42, 50, 60, 65;
A573 Gr. 70;
A588 Gr. B, C, K;
A633 Gr. A, C, D, E;
A662 Gr. B, C;
A678 Gr. B;
A707 Gr. L2, L3;
A841 Gr. A, B, C;
API 5L X42, X52, X60, X65, X70, X52Q, X60Q, X65Q, X70Q

Typical Chemical Analysis

Mechanical Properties of the Base Metal

(Typical values—minimum values in parentheses)

Work Data

• u: Stress-relieved, 580°C / 3 hours – M21 gas
• s: Normalized, 920°C / 30 min – M21 gas
• n: Untreated, in welded condition – M21 gas

Electrode Diameter (mm)

• Current Values T 42 4 B C1 3 H5
• Wire Diameter (mm):
  • 1.2
  • 1.6
• Inert Gas (EN ISO 14175): Possible,

Using DC+ direct current, welding can be performed with conventional or pulsed power sources.

Approvals

TÜV (06205), DB (42.052.15), ABS, DNV, CWB, CE

is subject to change without prior notice

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