F 837 Class A1-55 S30430

F 837 Class A1-55 S30430 Stainless Steels to F 837M (2002)

F 837 Class A1-55 S30430 - 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 S30430 grade: to F 837M (2002)

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.08
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.03
Cr 17.0 19.0
Ni 8.00 10.0
Cu 3.00 4.00

F 837 Class A1-55 S30430 - Detail

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

Mechanical properties of grade F 837 Class A1-55 S30430 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)
574 (≥) 497 (≥) 14 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical properties of grade F 837 Class A1-55 S30430 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
595 (≥) 738 (≥) 24 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 113
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
739 373 836

Equivalent Grade

1 UNS S30430 2 304Cu 3 A 493 Type XM-7 4 F 899 Type XM-7 5 SUSXM7 6 A 493 S30430 7 A 959 S30430 8 F 837 Class A1-50 S30430 9 F 837 Class A1-55 S30430 10 F 837 Class A1-70 S30430 11 F738 Class A1-70 S30430

Equivalent Products

Product shapes we supply:

We can customize the production of F 837 Class A1-55 S30430 grade, contact us for the best solution.
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