Chrome Moly MIG & TIG

Chrome Moly MIG & TIG

Chrome moly MIG & TIG filler wires are solid wire consumables for welding chromium-molybdenum alloy steels. These steels serve in high-temperature, high-pressure piping and pressure vessels. The filler wire must match the base metal’s chromium and molybdenum content to maintain creep strength and oxidation resistance.

These wires have high creep resistance, stable microstructure at elevated temperatures, and strong resistance to hydrogen-induced cracking. Each grade contains specific chromium and molybdenum levels that align with the base steel it joins.

Engineers choose chrome moly MIG and TIG wires because they create welds that can handle long-term heat and pressure. By matching the alloy chemistry of the wire to the base metal, the weld area stays uniform and avoids weak spots.

These wires are commonly used in Oil refinery piping, Power plant boiler tubes, Heat exchangers, and Petrochemical reactors. They are a standard choice in power generation, oil and gas, and chemical processing plants whenever strong, reliable high-temperature joints are required.

Nicorex Alloys supplies a full range of chrome moly MIG & TIG filler wires from our Mumbai facility. We stock all major grades for fast delivery across India. As a supplier and stockist, we serve refineries, power plants, and fabrication shops with tested material.

Complete Range of Chrome Moly MIG & TIG Filler Wires

The following grades cover the most common chrome moly base metals used in high-temperature service.
Product Grade Best Metals They Can Weld Reason
ER80S-B2 MIG & TIG
ER80S-B2 MIG & TIG
1.25Cr-0.5Mo steels (P11, T11) Matches chromium and molybdenum levels for creep-resistant joints
ER90S-B3 MIG & TIG
ER90S-B3 MIG & TIG
2.25Cr-1Mo steels (P22, T22) Higher alloy content supports elevated-temperature strength
ER80S-B6 MIG & TIG
ER80S-B6 MIG & TIG
5Cr-0.5Mo steels (P5, T5) Provides oxidation resistance in moderate high-temperature piping
ER90S-B9 MIG & TIG
ER90S-B9 MIG & TIG
9Cr-1Mo-V steels (P91, T91) Vanadium-modified for advanced creep strength in supercritical systems

Quick Selection Guide

Use this table to select the right chrome moly MIG & TIG filler wire based on the base metal in your project.
Base Metal Being Welded Recommended Filler Wire AWS Class Why This Choice
1.25Cr-0.5Mo (P11/T11) ER80S-B2 ER80S-B2 Direct chemistry match for low-alloy Cr-Mo joints
2.25Cr-1Mo (P22/T22) ER90S-B3 ER90S-B3 Supports long-term creep resistance up to 600°C
5Cr-0.5Mo (P5/T5) ER80S-B6 ER80S-B6 Matched chromium for sulfidation and oxidation resistance
9Cr-1Mo (P9/T9) ER80S-B8 ER80S-B8 High chromium content resists scaling in refinery service
9Cr-1Mo-V (P91/T91) ER90S-B9 ER90S-B9 Vanadium and niobium additions provide superior creep strength
1.25Cr-0.5Mo (P11/T11) ER80S-B2 ER80S-B2 Direct chemistry match for low-alloy Cr-Mo joints
2.25Cr-1Mo (P22/T22) ER90S-B3 ER90S-B3 Supports long-term creep resistance up to 600°C
5Cr-0.5Mo (P5/T5) ER80S-B6 ER80S-B6 Matched chromium for sulfidation and oxidation resistance
9Cr-1Mo (P9/T9) ER80S-B8 ER80S-B8 High chromium content resists scaling in refinery service
9Cr-1Mo-V (P91/T91) ER90S-B9 ER90S-B9 Vanadium and niobium additions provide superior creep strength
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