ISO H12

ISO H12 Stainless Steels to ISO 15510 (2010)

ISO H12 - Specification & Application

• ISO 15510 (2010) - Stainless steels -- Chemical composition
• ISO 4955 (2005) - Heat-resistant steels
• ISO 9327-5 - Steel forgings and rolled or forged bars for pressure purposes - Technical delivery conditions - Part 5: Stainless steels
• ISO 9328-5 - Steel plates and strips for pressure purposes - Technical delivery conditions - Part 5: Weldable fine grain steels, thermomechanically rolled
• ISO/TS 15510 (2003) - Stainless steels - Chemical composition

Stainless steels - Chemical composition

Chemical composition(wt.%) of ISO H12 grade: to ISO 15510 (2010)

ISO H12 - Detail

Stainless steels - Chemical composition

Mechanical properties of grade ISO H12 ISO 15510 (2010)

Proof strength Rp0.2 (MPa)	Tensile strength Rm (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
588 (≥)	778 (≥)	34	21	23	Solution and Aging, Annealing, Ausaging, Q+T,etc	414

Physical properties of grade ISO H12 ISO 15510 (2010)

Property	Density kg/dm3	Temperature T °C/F	Specific heat J / kgK	Thermal conductivity W/mK	Electric resistance µΩ·cm	Modulus of elasticity kN/mm2	Expansion rate
696 (≥)	391 (≥)	13	21	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	333
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
776	485	547