ASTM A193 Grade B8MLN Stud Bolts
DIN 1.4311, SUS 304LN, UNS S31653, X2CRNIN18-10
ASTM A193 Grade B8MLN Bolts are manufactured from 304 Stainless Steel in accordance with ASTM A193 specification. Torqbolt is a prominent A193 gr B8MLN bolt supplier in India.
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ASTM A193 Grade B8MLN Stud Bolts Properties
ASTM A193 Grade B8MLN Stud Bolts Chemical Requirements
Austenitic Steels
| Grade | Description and UNS Designatio | Classes | C | Mn | P | S | Si | Cr | Ni | Mo | Cu | CbF | Ti | V | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ASTM A193 Grade B8MLN, B8MLNA | S31653 | 1, 1A, 1D | 0.030 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-13.0 | 2.00-3.00 | . . . | . . . | . . . | . . . | 0.10-0.16 |
| Product Analysis VariationB | 0.005 | 0.04 | 0.010 | 0.005 | 0.05 | 0.20 | 0.15 | 0.10 | . . . | . . . | . . . | . . . | 0.01 |
ASTM A193 Grade B8MLN Stud Bolts Mechanical Requirements
Austenitic Steels (Inch)
| Grade | Diameter,
in. |
Heat TreatmentB | Tensile Strength,
min, ksi |
Yield Strength, min,
0.2 % offset, ks |
Elongation in 4 D,min | Reduction of Area, min | Hardness,
max |
|---|---|---|---|---|---|---|---|
| ASTM A193 Grade B8MLN | All diameters | carbide solution treated | 75 | 30 | 30 | 50 | 223 HBW or 96 HRBC |
Austenitic Steels (Metric)
| Grade Class ,
mm |
Diameter | Heat TreatmentB | Tensile Strength,
min,MPa |
Yield Strength, min,
0.2 % offset, MPa |
Elongation in 4 D,min % | Reduction of Area, min % | Hardness,
max |
|---|---|---|---|---|---|---|---|
| ASTM A193M Grade B8MLN All diameters Classes 1 and 1D | All diameters | carbide solution treated | 515 | 205 | 30 | 50 | 223 HBW or 96 HRBC |