Year1
- 规格：
- 齐全
- 价格：
- 合理
- 质量：
- 100%正品
This steel has high static strength, impact toughness and high fatigue limit. It has higher hardenability than steel. It has high creep strength and durable strength at high temperatures. The long-term working temperature can reach ℃. , medium plasticity during cold deformation and poor weldability.
Delivery status
Normalized, annealed, high temperature tempered or delivered without heat treatment. Annealed state, hardness B.
Chemical composition
According to standard B/~, the chemical composition (mass fraction) of this steel: 3~.,.~.,.~.,.~.,.~.,.3,. 3..3.
Reference corresponding grades
German standard material number., German standard grade, Chinese B standard grade, British B standard grade, British standard grade B, French standard grade, Italian standard grade, Belgian B standard grade, Swedish standard grade, Spanish standard grade, Japan Standard grade 3/R US/Standard grade 3.
Mechanical properties
Tensile strength, yield strength, elongation, reduction of area, impact absorption energy, impact toughness/.
Critical point temperature (approximate value)
℃, 3
℃, r
℃, r3
℃, ℃.
Complete annealing specifications
Annealing temperature is 3~℃, insulation is ~3, and after the furnace is cooled to ℃, it is air-cooled out of the furnace, and the hardness is ~B.
Quenching and tempering specifications
Quenching temperature ℃, oil cooling, tempering temperature ℃, water cooling or oil cooling.
Typical application examples
Suitable for large-section aluminum and magnesium alloy die-casting molds.
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