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X14CrMoS17 QT650
發(fā)布者：admin發(fā)布時(shí)間：2020-11-19 15:02:12


1.4104 Stainless Steel (X14CrMoS17 Material)

X14CrMoS17 (1.4104) +C900現(xiàn)貨價(jià)格查詢

DIN EN 1.4104 stainless steel (X14CrMoS17) is a kind of martensitic stainless steel containing molybdenum. The higher sulfur content makes it more suitable for machining. It has good machining properties, good mechanical properties, and good magnetic properties. However, the addition of sulfur reduces its weldability and corrosion resistance.

DIN EN 1.4104 Material Properties

EN 1.4104 stainless steel properties and specifications are summarized in the following tables including chemical composition, mechanical properties, hardness, heat treatment, etc.

Chemical Composition

Table-1, X17CrNi16-2 (1.4104 material) chemical composition is listed in the following table based on cast analysis.

1.4104 Material Chemical Composition, %
Standard Designation (Steel Number) C Si, ≤ Mn, ≤ P, ≤ S, ≤ Cr Mo
EN 10088-2;
EN 10088-3		 X14CrMoS17 (1.4104) 0,10-0,17 1,00 1,50 0,040 0,15-0,35 15,5-17,5 0,20-0,60

Physical Properties

DIN EN 1.4104 stainless steel physical properties are listed in the table below such as density, melting point, specific heat, electrical resistivity, elastic modulus (modulus of elasticity), thermal conductivity, and coefficient of thermal expansion (CTE).

Notes:

  • 10-6·K-1 = 10-6/K
  • 1 Ω·mm²/m = 1 μΩ·m
  • 1 g/cm3 = 1 kg/dm3 = 1000 kg/m3
  • 1 GPa = 1 kN/mm2
  • 1 MPa = 1 N/mm2
Table-2, Physical Properties
Density, g/cm3 (lb/in3) 7,7 (0.278)
Magnetic Yes
Specific heat capacity, J/(Kg·K) 460 at 20 °C (68 °F)
Electrical resistivity, μΩ·m 0.70 at 20 °C (68 °F)
Modulus of elasticity (Elastic Modulus), Gpa (103 ksi) 215 (31.2) at 20 °C (68 °F)
212 (30.7) at 100 °C (212 °F)
205 (29.7) at 200 °C (392 °F)
200 (29) at 300 °C (572 °F)
190 (27.5) at 400 °C (752 °F)
Thermal conductivity, (W/m·K) 25 at 20 °C (68 °F)
Mean coefficient of thermal expansion, (10-6/K) 10,0 at 20-100 °C (68-212 °F)
10,5 at 20-200 °C (68-392 °F)
10,5 at 20-300 °C (68-572 °F)
10,5 at 20-400 °C (68-752 °F)

DIN EN 1.4104 Stainless Steel Mechanical Properties

DIN EN 1.4104 stainless steel mechanical properties are given in the datasheet below including tensile strength, yield strength, elongation, reduction in area, Brinell and Rockwell hardness, etc.

Table-3, Mechanical properties for bars at room temperature of steels in the cold work hardened (2H) condition
Standard Designation (Steel Number) Tensile strength level 0,2 %-proof strength, Mpa (ksi), ≥ Tensile strength, Mpa (ksi) Elongation after fracture, %, ≥
EN 10088-2;
EN 10088-3		 X14CrMoS17 (1.4104) +C550 440 550 to 750 (80-108) 15
When inquiring and ordering, the maximum diameter of this tensile strength class shall be agreed; it should not be greater than 25 mm.
Table-4, Mechanical properties for bright bars at room temperature of heat-treated 1.4104 stainless steel in conditions 2H, 2B, 2G or 2P
Standard Steel Grade (Steel Number) Thickness (t) or diameter (d) in mm (in.) Annealed Quenched + tempered
Tensile strength, Mpa (ksi), ≤ Hardness, HB, ≤ Heat treatment condition 0,2 % yield strength, Mpa (ksi), ≥ Tensile strength, Mpa (ksi) Elongation in 5mm min, %, ≥, (long.)
EN 10088-3 X14CrMoS17 (1.4104) ≤ 10 (only for rounds) 880 (127) 280 + QT650 580 (84) 700-980 (101-142) 7
10 880 (127) 280 530 (77) 700-980 (101-142) 7
16 < t≤ 40 800 (116) 250 500 (72) 650-930 (94-135) 9
40 760 (110) 230 500 (72) 650-880 (94-127) 10
63 < t ≤ 160 730 (105) 220 500 (72) 650-850 (116-123) 10
Table-5, Mechanical properties at room temperature of annealed wire in 2D condition
Standard Steel Grade (Steel Number) Nominal dimension (d) mm Tensile strength, Mpa (ksi), ≤ Elongation, %, ≥
EN 10088-3 X14CrMoS17 (1.4104) 0,50 1100 (160) 10
1,00 < d≤ 3,00 1050 (152) 10
3,00 1000 (145) 10
5,00 < d ≤ 16,00 950 (138) 15
If skin passed (i. e. less than 5 % reduction in cross section), the maximum tensile strength might be increased by up to 50 MPa
Table-6, Tensile strength of wire in diameters of 0,05 mm (0.002 in) and above in 2H condition
Standard Steel Grade (Steel Number) Tensile strength levels Range of tensile strength, MPa (ksi)
EN 10088-3 X14CrMoS17 (1.4104) +C500 500 to 700 (72-101)
+C600 600 to 800 (87-116)
+C700 700 to 900 (101-130)
+C800 800 to 1000 (116-145)
+C900 900 to 1100 (130-160)
+C1000 1000 to 1250 (145-181)
+C1100 1100 to 1350 (160-196)
+C1200 1200 to 1450 (174-210)
+C1400 1400 to 1700 (203-246)
+C1600 1600 to 1900 (232-275)
+C1800 1800 to 2100 (261-304)
Not all grades have all tensile strength grades or all diameters. Guidance data for the nominal size (d) depending on the strength class is given in Table-7.
Table-7, 1.4104 corrosion resistant steel wire in the cold work-hardened condition, martensitic and precipitation hardening grade
Standard Designation (Steel Number) Typically available tensile strength levels Diameters in mm
EN 10088-2;
EN 10088-3		 X14CrMoS17 (1.4104) +C500 All diam.
+C600 <20
+C700 < 20
+C800 < 15
+C900 < 10

EN 1.4104 Stainless Steel Heat Treatment

The following contents give DIN 1.4104 stainless steel heat treatment temperature of including annealing, hot forming, quenching and termpering, etc.

Table-8, Guidelines on the temperatures for hot forming and heat treatment of 1.4104 steel
Standard Steel Grade (Steel Number) Hot forming Heat treatment symbol Annealing Quenching Tempering Temperature, °C (°F)
Temperature, °C (°F) Type of cooling Temperature, °C (°F), ① Type of cooling Temperature, °C (°F), ① Type of cooling
EN 10088-3 X14CrMoS17 (1.4104) 1100 to 800 (2010 to 1470) air +A 750 to 850 (1385-1565) furnace, air – – –
+ QT650 – – 950 to 1070 (1745-1960) oil, air 550 to 650 (1025-1200)
Notes:
+A: Annealed
+QT: Quenched and Tempered
①: If the heat treatment is performed in a continuous furnace, it is generally preferred that the upper limit of the specified range or even exceed the specified range.

? 1.4104不銹鋼（X14CrMoS17材料）