Which burns faster, HS-7 or No. 9?

HS-7 is the faster-burning of the two (rank #32 vs #38 — lower rank burns faster).

What cartridges do HS-7 and No. 9 both load?

Both powders are listed for .357 Magnum, .44 Magnum.

Powder head-to-head

FastestSlowest

HS-7 #32 · No. 9 #38

Similar burn rate for heavy pistol loads and .357 Maximum. Work up carefully.

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

Can I substitute HS-7 for No. 9?: Similar burn rate for heavy pistol loads and .357 Maximum. Work up carefully. Confidence: Community. Always start at published minimum charges and work up.
Which burns faster, HS-7 or No. 9?: HS-7 is the faster-burning of the two (rank #32 vs #38 — lower rank burns faster).
What cartridges do HS-7 and No. 9 both load?: Both powders are listed for .357 Magnum, .44 Magnum.