不锈钢1.4313是马氏体级，耐腐蚀性高，热处理后耐久性好。X3CrNiMo13-4钢的机械性能是由于化学成分中钼和镍的高含量。这些合金添加剂限制了增加a级碳含量的需要——给定浓度相当于奥氏体不锈钢。虽然镍含量不高，但镍含量约为4%，显著提高了钢对各种腐蚀环境的抵抗力——二次机械性能。X3CrNiMo13-4钢用户可生产高达300℃在温度下工作的零件和零件，以及暴露在各种腐蚀环境中的零件，同时保持足够的表面条件括抗氯化物性质)。QT650.QT780和QT900条件下，热处理后最常交付型钢。半成品用于石油生产.化工.在冶金和能源行业，涡轮机暴露在高温和低温下.泵.压缩机部件。钢不适合焊接。
MATERIAL SPECIFICATIONS -BS EN10083-3 (2005)
CHEMICAL COMPOSITION (WEIGHT %)
C (％): ≤ 0.050
Si (％): ≤ 0.70
Mn (％):≤ 1.50
P (％)≤:0.040
S (％)≤:0.030
Cr (％): 12.0 ~ 14.0
Ni (％): 3.50~ 4.50
Mo (％):0.30 ~ 0.70
Other (％): N ≥ 0.020
MECHANICAL PROPERTYBASED ON THE DIFFERENT HEAT TREATMENT CONDITIONS
Condition of thermal treatment: annealed
Hardness HBS: 320
Tensile strength σb/MPa:1100
Thickness/≤mm: 60
Condition of thermal treatment: QT650
Yield strength σ0.2≥/MPa:520
Tensile strength σb/MPa:650~830
Elongation δ( longitudinal )≥(％):15
Impact absorbing power Akv≥/J| longitudinal:70
Thickness/≤mm: 60
Condition of thermal treatment: QT650
Yield strength σ0.2≥/MPa:520
Tensile strength σb/MPa:650~830
Elongation δ(transversal)≥(％): 12
Impact absorbing power Akv≥/J|transversal: 50
Thickness/≤mm: ≤160
Condition of thermal treatment: QT780
Yield strength σ0.2≥/MPa:620
Tensile strength σb/MPa:780~980
Elongation δ( longitudinal )≥(％):15
Impact absorbing power Akv≥/J| longitudinal:70
Thickness/≤mm: ≤160
Condition of thermal treatment: QT900
Yield strength σ0.2≥/MPa:800
Tensile strength σb/MPa:900~1100
Elongation δ( longitudinal )≥(％):12
Impact absorbing power Akv≥/J| longitudinal:50
供应EN1.4313马氏体不锈钢具有退火特性（+A）状态、淬火和回火(+QT650)调质(+QT700)，调质(+QT780)，调质(+QT900)，需要哪一个一定要跟业务说清楚哦。