Chainsaw cutting log in snow — Series W cold-weather chain for winter logging and sub-zero conditions

Engineered for the Frozen North

Professional-grade chainsaw chains designed to conquer sub-zero temperatures and high-density hardwood. Zero compromises on durability in the toughest Boreal environments.

W-Series · Built for Boreal

Series W: Cold-Weather Chainsaw Chains

CrNiMo (Chromium-Nickel-Molybdenum) alloy steel with specialized nitriding heat treatment. Impact toughness maintained at -40°C. Semi-chisel cutter design.

Technical Specifications

Material	CrNiMo (Chromium-Nickel-Molybdenum) alloy steel
Heat Treatment	Specialized nitriding process
Cutter Type	Semi-chisel (rounded corner)
Pitch	.325", 3/8"
Gauge	.050", .058"
Operating Temperature	-40°C to +40°C (impact toughness maintained)
Impact Toughness	ASTM E23 compliant at -40°C

Cold-Weather Performance vs Standard Chain Comparison

Series W (Cold-Weather) ✓

•Material: CrNiMo (Chromium-Nickel-Molybdenum) alloy steel

•Heat Treatment: Specialized nitriding process

•Low-Temperature Performance: Impact toughness maintained at -40°C

•Brittleness Threshold: Below -40°C (ASTM E23 compliant)

•Application: Frozen wood, Canadian winter, sub-zero conditions

•Cutter Type: Semi-chisel (rounded corner) for dirty/frozen conditions

Standard Chain

•Material: 65Mn standard carbon steel

•Heat Treatment: Standard hardening and tempering

•Low-Temperature Performance: Impact toughness degrades below -10°C

•Brittleness Threshold: -10°C (becomes brittle)

•Application: Normal temperature conditions (above 0°C)

•Cutter Type: Full-chisel or semi-chisel (standard)

Available Configurations

Pitch	Gauge	Drive Links	Bar Length
.325"	.050"	66, 72	16", 18"
.325"	.058"	66, 72	16", 18"
.325"	.063"	66, 72	16", 18"
3/8"	.050"	72, 84	18", 20"
3/8"	.058"	72, 84	18", 20"

Custom drive link counts available. OEM packaging available.

Compatible Brands

Series W chains are designed as compatible replacements for cold-weather and general-purpose chainsaws from leading North American brands.

Husqvarna

Stihl

Echo

Oregon

Brand Disclaimer: All brand names mentioned are trademarks of their respective owners. We are not affiliated with, authorized by, or endorsed by these brands. Our products are compatible replacements designed to meet or exceed OEM specifications.

Compatibility Details

Brand	Model	Bar Length	Chain Spec
HusqvarnaCompatible	435, 440, 450	18"	.325" / .050" / 72 DL
HusqvarnaCompatible	455 Rancher	18", 20"	.325" / .050" / 72 DL
StihlCompatible	MS 250, MS 251	16", 18"	.325" / .063" / 66-72 DL
StihlCompatible	MS 271	18"	.325" / .050" / 72 DL
EchoCompatible	CS-400	16", 18"	.325" / .050" / 66-72 DL

View Compatible Models View Application Page

Always verify bar and chain specifications before ordering.

Compatible Industry Models

Series W chains are compatible replacements for the following Oregon, Stihl, and Husqvarna chain models:

Oregon

20LPX20BPXM95TXL95VPX21LPX21BPX22LPX22BPX91PX91P91VXL

Stihl

23RS23RM25RS25RM26RS26RM63PS363PM71PM3

Husqvarna

H30S93G / H37SP33GH25

Cross-reference data based on pitch, gauge, and drive link compatibility. Verify specifications before ordering.

Material & Manufacturing

Alloy Composition	Cr: 0.8-1.2%, Ni: 1.5-2.0%, Mo: 0.3-0.5%
Nitriding Depth	0.15-0.25mm surface layer
Hardness	Surface: HRC 58-62, Core: HRC 45-50
Impact Test	ASTM E23: ≥40 J at -40°C

Packaging & Ordering

Packaging	Individual chains, bulk boxes (10-50 units), reels (100+ feet)
MOQ	100 units per SKU
Lead Time	4-6 weeks (standard), 2-3 weeks (rush available)
OEM/Private Label	Available. Minimum 500 units per SKU.

Request Winter Season Pre-order Quote