Which burns faster, 2015 or H322?

H322 is the faster-burning of the two (rank #52 vs #54 — lower rank burns faster).

Powder head-to-head

2015 vs H322

FastestSlowest

2015 #54 · H322 #52

Similar small rifle powder applications. Work up from published starting loads.

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

Can I substitute 2015 for H322?: Similar small rifle powder applications. Work up from published starting loads. Confidence: Community. Always start at published minimum charges and work up.
Which burns faster, 2015 or H322?: H322 is the faster-burning of the two (rank #52 vs #54 — lower rank burns faster).
What cartridges do 2015 and H322 both load?: Both powders are listed for .223 Remington, .17 Remington, .222 Remington Magnum, .221 Remington Fireball, 6.8mm Remington SPC.