SA 320 Grade L7M hex bolts manufacturer in India
Buy A320 Gr L7M heavy hex bolts at affordable prices in India, a Certified A320 L7M hex cap screws supplier in Mumbai
ASTM A320 L7M bolts
SA 320 Grade L7M hex bolts
A320 Gr L7M heavy hex bolts
SA 320 L7M socket head bolts and ASTM A320 L7M carbon steel eye bolt used in medium-high temperature applications
Table of Content
ASTM A320 L7M bolts specifications
| Hardness | Length | Size | Specifications |
|---|---|---|---|
| 235 HB / 99HRB | 12mm – 1200mm | M10 to M110 | ASTM A320 / ASME SA320 |
| International Standard | Thread | Diameter | Application |
| BS, UNI, ANSI, ISO, IS, JIS, GB, ASME, ASTM DIN | BSW, METRIC, UNF, UNC, BSF, custom | 3/8″ – 4″ |
|
| Head Drive | Iso Standard | Temperature range | Coating |
| Phillips/Slot, Phillips, Slotted, Six-Lobe | ISO 4033, ISO 4032 | 1150°F [620°C] | PTFE, zinc plated, black phosphate, hot dip galvanized |
We stock a large amount of ASTM A320 Gr L7M socket head cap screws and ASTM A 320 Gr L7M anchor bolts up to 2-1/2 inches in diameter
SA 320 Grade L7M hex bolts types
A320 L7M hex cap screws
- Sizes: M10 to M110
- Diameter: 3/8″ – 4″
SA 320 L7M socket head bolts
- Length: 12mm – 1200mm
- Tensile strength: 100ksi
ASTM A320 L7M carbon steel eye bolt
- Yield strength: 80ksi
- Hardness: 235 HB / 99HRB
ASTM A320 Gr L7M socket head cap screws
- Temperature range: 1150°F [620°C]
- Equivalent : ASTM B638 grade 660 ss alloy
ASTM A 320 Gr L7M anchor bolts
- Thread type : Metric, Metric course, UNF, BA, BSF, UNC, UN8, BSW
SA 320 Grade L7M square bolts
- Coatings: zinc plating, hot dip galvanising, PTFE
SA 320 Grade L7M square bolts and ASTM A320 Grade L7M flange bolts with Zinc Plating, Xylan, Dacromet and PTFE coatings
A320 Gr L7M heavy hex bolts chemical composition
| Property class | C | Si | Mn | P | S | Ni | Cr | Mo | V | Ti |
|---|---|---|---|---|---|---|---|---|---|---|
| L7M | 0.38—0.48 | 0.15—0.35 | 0.75—1.00 | 0.035 maximum | 0.040 maximum | – | 0.80—1.10 | 0.15-0.25 | – | – |
A320 L7M hex cap screws mechanical properties
| Class, Diameter In | Yield Strength, minimum, ksi [MPa] (0.2 % offset) | Heat TreatmentB | Tensile Strength, minimum, ksi [MPa] | Reduction of Area, minimum, % | Elongation in 2 in. or 50 mm minimum, % | Hardness maximum |
|---|---|---|---|---|---|---|
| 21⁄2 [65] and under | 105 (725) | quenched and tempered | 100 (690) | 50 | 16 | 321 HBC or 35 HRC |
SA 320 L7M socket head bolts impact test value
| Size of Specimen, mm | Test Temperature | minimum impact value permitted for one specimen only of a set, ft-lbf [J] | minimum impact value required for average of each set of three specimens, ft-lbf [J] | |
|---|---|---|---|---|
| °F | °C | |||
| 10 X 10 | -100 | -73 | 15 [20] | 20 [27] |
| 10 X 7.5 | 12 [16] | 16 [22] | ||
ASTM A320 L7M carbon steel eye bolt identifications
| L7M | double ended studs, Hex bolts, stud bolts, Stud for foundation, screws, wind energy bolts, Fasteners for wind turbines |
|---|
ASTM A320 Gr L7M socket head cap screws recommanded products
| Bolt Grade | Washer Grade | Nut Grade |
|---|---|---|
| ASTM A320M GR L7 | ASTM F436M Type 1 | ASTM A194M Grade 7 |
| ASTM A320 GR L7 | ASTM F436 Type 1 | ASTM A194 Grade 7 |