F 837 Class A1-55 S30300

F 837 Class A1-55 S30300 Stainless Steels to F 837M (2002)

F 837 Class A1-55 S30300 - Specification & Application

  • F 837M (2002) - Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)

Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)

Chemical composition(wt.%) of F 837 Class A1-55 S30300 grade: to F 837M (2002)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.15
Si - 1.00
Mn - 2.00
P - 0.2
S 0.15 -
Cr 17.0 19.0
Ni 8.00 10.0
Mo - 0.60

F 837 Class A1-55 S30300 - Detail

Standard Specification for Stainless Steel Socket Head Cap Screws (Metric)

Mechanical properties of grade F 837 Class A1-55 S30300 F 837M (2002)

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)
594 (≥) 726 (≥) 42 32 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical properties of grade F 837 Class A1-55 S30300 F 837M (2002)

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
837 (≥) 898 (≥) 44 41 13 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
451 332 161

Equivalent Grade

1 303S42 2 303S31 3 1.4303 4 CNS 303 5 CNS 303Se 6 STS303 7 STS303Se 8 SS 2303 9 S30317 10 S30327 11 GH3030 12 GH3039 13 303 14 A 314 303 15 A 473 303 16 A 581 Type 303 17 A 582 Type 303 18 A 895 Type 303 19 A 959 Type 303 20 A 314 S30300

Equivalent Products

1 GH3039 round bar

Product shapes we supply:

We can customize the production of F 837 Class A1-55 S30300 grade, contact us for the best solution.
–sales@specificsteel.com