Stainless Steel Bar 422

MATERIAL CATEGORY: High temperature martensitic high content chromium round bar and forge piece MATERIAL SPECIFICATIONS: ASTM A565 OFFICIAL TEST CERTIFICATE: issued by TUV - SGS -  BV CHEMICAL COMPOSITION (WEIGHT %) C (％):     0.20 ～ 0.25 Si (％):    ≤ 0.50 Mn (％):   0.50 ～ 1.00 P (％)≤:   0.025 S (％)≤:   0.015 Cr (％):    11.0 ～ 13.5 Ni (％):    0.50 ～ 1.00 Mo (％):   0.90 ～ 1.25 W (％):    0.90 ～ 1.25 V (%):     0.20 ～ 0.30 Others (%):  Cu ≤ 0.50 MECHANICAL PROPERTIES / HEAT TREATMENT OR Q/T Condition of heat treatment: Annealed Tensile strength, σb ≥/MPa:   - Yield strength, σ0.2 ≥/MPa:- Elongation, δ ≥(％):   - Reduction of area, ф ≥(％):  - Hardness | HRS:  ≤248 Condition of heat treatment: T, middle tempered  Tensile strength, σb ≥/MPa:   - Yield strength, σ0.2 ≥/MPa:- Elongation, δ ≥(％): - Reduction of area, ф ≥(％):   - Hardness | HRS:  ≤285 Condition of heat treatment: HT 1022℃ ~ 1050℃ air or oil cooled, ≥620℃ X 2H, tempered Tensile strength, σb ≥/MPa: 965 Yield strength, σ0.2 ≥/MPa: 760 Elongation, δ ≥(％): 13.0 Reduction of area, ф ≥(％): 30.0 Hardness | HRS:  302 ~ 352 Condition of heat treatment: H 1022℃ ~ 1050℃ air or oil cooled, ≥677℃ X 2H, tempered Tensile strength, σb ≥/MPa: 825 Yield strength, σ0.2 ≥/MPa: 585 Elongation, δ ≥(％): 17.0 Reduction of area, ф ≥(％): 35.0 Hardness | HRS:  241 ~ 285