Blades of Steel is a heavy metal band from São Paulo, Brazil, fronted by vocalist Yara Haag. Drawing influence from Judas Priest, Accept, and Mercyful Fate, the band released a self-titled track in 2024 and subsequently signed with Alone Records of Greece for wider international distribution.

Blair is a heavy metal band from Aracaju, Sergipe, Brazil, one of the few metal acts to emerge from the northeastern Brazilian state. The band sings in Portuguese and has been described as evoking the spirit of 1980s hard rock and heavy metal, with well-crafted guitar work and a melodic sensibility that connects to classic rock traditions.

Blazing Dog is a traditional heavy metal band from Brasília, Brazil, formed in 2009 and playing in the style of classic acts like Judas Priest, Iron Maiden, and Manowar. The band recorded their album "Deus Ex Machina" at Orbis Studio and Jam's Studio in Brasília, covering lyrical themes of history, war, literature, and metal. They remain an independent act within the Brazilian capital's metal scene.

Blindado are an Argentine heavy metal band founded by members Charly, Jorge, Adrián, and Juan, who released their debut album "Distorsión" in 2007 through Hurling Metal Records, featuring driving riffs, extended guitar solos, and even a heavy metal take on the tango standard "Yira-Yira." A second album, "En Las Calles", followed on the same label before the band returned in 2017 with "Argentina Despierta", an independently released record with politically charged lyrics addressing Argentine society. They remain active today.

Blixten is a female-fronted heavy metal band from Araraquara, São Paulo, Brazil, formed in 2017 by vocalist Kelly Hipólito. Drawing heavily on classic 1980s metal acts such as Iron Maiden, Dio, and Motörhead, the band released their debut EP "Stay Heavy" in 2018, featuring five original songs recorded at Távola Studio in Araraquara. The group has been notable in the local scene for championing women's visibility in Brazilian heavy metal.

Bloodfire is a heavy metal band from Floriano, Piauí, Brazil, operating as an independent act. The band has released material including the single "In the Name of Metal," part of the EP "Dangerous Game," and maintains a presence on SoundCloud and social media. They are listed on the Encyclopaedia Metallum and represent the heavy metal scene in the interior of northeastern Brazil.

Britannia are a heavy metal band from San Francisco, Córdoba, Argentina, built around the Possetto brothers — Javier "Jama" on drums and Sergio "Checho" on bass and vocals — alongside guitarist Ángel "Tato" Grangetto. The band chose their name as a direct tribute to the British bands that inspired them, including Motörhead, Iron Maiden, and Judas Priest, and their sound reflects that NWOBHM-rooted lineage. Their lyrics engage with social and political themes while maintaining an independent, non-partisan stance.

Bulletback is a heavy metal band from São Paulo, Brazil, active in the Brazilian underground metal scene. The band has contributed to notable Brazilian tribute compilations, performing "Where Eagles Dare" on the 2020 double album "Somewhere in Brazil – The Brazilian Tribute to Iron Maiden" and "World Painted Blood" on the 2021 "Brazil Painted Blood – The Brazilian Tribute to Slayer."

Burst into Fire is a heavy metal band from Jacareí, São Paulo, Brazil, formed in 2019. The band debuted with the EP "Heart of Ashes" in late 2019 and released their first full-length album "Chimera" on October 29, 2021, a ten-track record that established them as part of the newer generation of Brazilian heavy metal acts.