Which burns faster, H335 or N135?

H335 is the faster-burning of the two (rank #53 vs #57 — lower rank burns faster).

What cartridges do H335 and N135 both load?

Both powders are listed for 5.56x45mm NATO, 6.5 Grendel, .223 Remington, .222 Remington, .224 Valkyrie, .204 Ruger, among 8 shared cartridges.

Powder head-to-head

Both powders on one page: burn-rate position, temperature sensitivity and the 8 cartridges they share, with the substitution note from the reference.

FastestSlowest

H335 #53 · N135 #57

Similar burn rate in .223 Rem and 5.56 NATO applications.

Confidence: Community. Always start at published minimums and work up.

Can I substitute H335 for N135?: Similar burn rate in .223 Rem and 5.56 NATO applications. Confidence: Community. Always start at published minimum charges and work up.
Which burns faster, H335 or N135?: H335 is the faster-burning of the two (rank #53 vs #57 — lower rank burns faster).
What cartridges do H335 and N135 both load?: Both powders are listed for 5.56x45mm NATO, 6.5 Grendel, .223 Remington, .222 Remington, .224 Valkyrie, .204 Ruger, among 8 shared cartridges.