A 789 S32550 - Cast Iron and Cast Steel

A 789 S32550 Stainless Steels to A 789/A 789M (2010)

A 789 S32550 - Specification & Application

A 789/A 789M (2010) - Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

Chemical composition(wt.%) of A 789 S32550 grade: to A 789/A 789M (2010)

Elements	Min.（≥）	Max.（≤）
C	-	0.04
Mn	-	1.50
Si	-	1.00
P	-	0.04
S	-	0.03
Cr	24.00	27.00
Ni	4.50	6.50
Mo	2.90	3.90
Cu	1.50	2.50
N	0.10	0.25

A 789 S32550 - Detail

Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

Mechanical properties of grade A 789 S32550 A 789/A 789M (2010)

Proof strength R_p0.2 (MPa)	Tensile strength R_m (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
837 (≥)	626 (≥)	41	11	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	111

Physical properties of grade A 789 S32550 A 789/A 789M (2010)

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
957 (≥)	827 (≥)	11	33	41	Solution and Aging, Annealing, Ausaging, Q+T,etc	242
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
121	783	323

Equivalent Grade

1 Q255 A 2 Q255 B 3 1.2550 4 1.2552 5 1.3255 6 SS14:2550 7 S32550 8 S32550 9 erralium255 10 erralium255 11 A 1049 S32550 12 A 240 S32550 13 A 276 S32550 14 A 473 S32550 15 A 479 S32550 16 A 511 S32550 17 A 789 S32550 18 A 790 S32550 19 A 815 CRS32550 20 A 815 WPS32550

Equivalent Products

1 S32550 Stainless Steel Seamless Tube Pipe

Product shapes we supply:

We can customize the production of A 789 S32550 grade, contact us for the best solution.
–sales@specificsteel.com