What wire diameter is the Lincoln 9CRMO MIG - 1.2 mm - 15 kg Spool - M9CRMO-12 available in?

The Lincoln 9CRMO MIG - 1.2 mm - 15 kg Spool - M9CRMO-12 is available in .045 diameter. Wire diameter selection depends on base metal thickness and travel speed requirements: .023 in suits thin sheet metal (up to 3/16 in), .030 in is versatile for 1/8–1/4 in, .035 in is the most common all-purpose diameter for 3/16–1/2 in steel, and .045 in or larger suits heavy plate and high-deposition applications.

What shielding gas or flux type does the Lincoln 9CRMO MIG - 1.2 mm - 15 kg Spool - M9CRMO-12 require?

Shielding gas selection affects arc stability, spatter, bead profile, and penetration: 100% CO2 gives deep penetration and good bead wetting but more spatter; 75% Ar/25% CO2 (C25) is the most popular general-purpose mix, balancing penetration, spatter, and bead appearance; higher argon mixes (90/10, 95/5) suit spray transfer at higher amperages. Match shielding gas to your wire alloy and welding parameters.

What is the deposit strength of the Lincoln 9CRMO MIG - 1.2 mm - 15 kg Spool - M9CRMO-12?

For ER80S-B8: Deposit tensile strength for mild steel solid MIG wire (ER70S-x) is approximately 70,000 PSI (483 MPa) minimum. For stainless filler metals, the deposit strength matches the base alloy grade. For flux-core wires, strength and chemistry vary by classification — refer to the AWS classification on the package for the exact mechanical property requirements.

What spool size is the Lincoln 9CRMO MIG - 1.2 mm - 15 kg Spool - M9CRMO-12 available in?

The Lincoln 9CRMO MIG - 1.2 mm - 15 kg Spool - M9CRMO-12 is available in 44 lb spool/coil sizes. Smaller spools (2 lb, 10 lb) fit most hobby and light commercial feeders. Larger spools (33 lb, 44 lb) are standard for production welders with 12 in spool capacity. Drums and coils (250–600 lb) are used with bulk drum feeders for robotic and high-production applications.

How should I store the Lincoln 9CRMO MIG - 1.2 mm - 15 kg Spool - M9CRMO-12 to prevent weld quality issues?

Store MIG wire in a clean, dry location away from humidity. Moisture absorption causes porosity in the weld — mild steel wire is particularly susceptible. If wire has been exposed to moisture, it may show surface rust; lightly rusted wire can sometimes be used but should be wiped before feeding. Flux-core and low-hydrogen electrodes require stricter moisture control than solid wire. Keep spools in their original packaging or sealed containers with desiccant packets when not in use.

Lincoln 9CRMO MIG - 1.2 mm - 15 kg Spool - M9CRMO-12

SKU: M9CRMO-12

$521.82 ~~$580.20~~

Lincoln Elite Dealer

Free Shipping

Lowest Price

B8 alloyed steel for elevated temperature service up to 600°C (1112°F) designed for high strength and improved corrosion resistance

AWS / Classification: ER80S-B8

Overview

Low Alloy Steel Electrode • AWS A5.28 ER80S-B8

Features

• B8 alloyed steel: 9% chromium, 1% molybdenum martensitic alloy for elevated temperature service up to 600°C (1112°F)
• Designed for high strength and improved corrosion resistance in superheated steam, hot hydrogen gas and high sulphur crude oils where higher performance than 5% chromium, 0.5% molybdenum steels is required
• Weld metal chemistry is low in impurity elements allowing it to respect the X Factor (<15ppm) and J-factor (<120ppm)

Specifications

Feature	Value
LECO Diameter	0.047 in (1.2 mm)
LECO Package	15 kg Spool
Diameter (in)	0.047

Reviews

Q&A

Product Overview

Low Alloy Steel Electrode • AWS A5.28 ER80S-B8

Features

Specifications

Feature	Value
LECO Diameter	0.047 in (1.2 mm)
LECO Package	15 kg Spool
Diameter (in)	0.047

Lincoln 9CRMO MIG - 1.2 mm - 15 kg Spool - M9CRMO-12

Product Overview

Features

Specifications

Product Reviews

Questions & Answers