1.7380

1.7380 Stainless Steels to EN 10028-2: 2009

1.7380 - Specification & Application

  • EN 10028-2: 2009 - Flat products made of steels for pressure purposes. Non-alloy and alloy steels with specified elevated temperature properties
  • EN 10216-2: 2014 - Seamless steel tubes for pressure purposes. Technical delivery conditions. Non-alloy and alloy steel tubes with specified elevated temperature properties
  • EN 10253-2: 2007 - Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements
  • EN 10273: 2007 - Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties

Alloy special steel

Chemical composition(wt.%) of 1.7380 grade: to EN 10028-2: 2009

Elements Min.（≥） Max.（≤） Similar Remarks
C 0.08 0.14
Si - 0.5
Mn 0.4 0.8
P - 0.020
S - 0.010
Cr 2.00 2.50
Mo 0.90 1.10
N - 0.012
Cu - 0.3

1.7380 - Detail

P250GH

Mechanical properties of grade 1.7380 EN 10028-2: 2009

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)
259 (≥) 282 (≥) 43 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical properties of grade 1.7380 EN 10028-2: 2009

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
312 (≥) 336 (≥) 13 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 221
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
644 644 665

Equivalent Grade

1 10CrMo9-10 2 EN 10CrMo9-10 3 1.7380 4 10CrMo9-10

Equivalent Products

Product shapes we supply:

We can customize the production of 1.7380 grade, contact us for the best solution.
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