SA 320 GR L7M threaded rod supplier in India
Buy SA 320 L7M stud bolt and ASTM A320 L7M carbon steel studs from the oldest manufacturer in Mumbai at a competitive price
ASTM A320 L7M stud bolts
SA 320 GR L7M threaded rod
SA 320 L7M stud bolt
SA 320 Grade L7M threaded studs and A320 Gr L7M double end stud bolts in all metric sizes including M8, M10, M16, M24, M36, M48, M64, M56, and M48
Table of Content
ASTM A320 L7M stud bolts specifications
| Length | Hardness | Size | Specifications |
|---|---|---|---|
| 12mm – 1200mm | 235 HB / 99HRB | M10 to M110 | A320 / ASME SA320 |
| Iso Standard | Head Drive | Equivalent | Coating |
| ISO 4033, ISO 4032 | Phillips/Slot, Phillips, Slotted, Six-Lobe | B638 grade 660 SS | PTFE, zinc plated, black phosphate, hot dip galvanized |
| Thread | International Standard | Diameter | Application |
| BSW, METRIC, UNF, UNC, BSF, custom | BS, UNI, ANSI, ISO, IS, JIS, GB, ASME, DIN | 3/8″ – 4″ |
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For quality assurance buy ASTM A320 Grade L7M fully threaded studs and ASTM A320 Gr L7M anchor stud bolt stock with NDT inspection reports
Types of SA 320 GR L7M threaded rod
ASTM A320 L7M studs
- Length: 12mm – 1200mm
- Tensile strength: 100ksi
SA 320 Grade L7M threaded studs
- Sizes: M10 to M110
- Diameter: 3/8″ – 4″
A320 Gr L7M double end stud bolts
- Temperature range: 1150°F [620°C]
- Equivalent : ASTM B638 grade 660 ss alloy
ASTM A320 Grade L7M fully threaded studs
- Yield strength: 80ksi
- Hardness: 235 HB / 99HRB
ASTM A320 Gr L7M anchor stud bolt
- Coatings: zinc plating, hot dip galvanising, PTFE
A320 L7M tap end stud bolts
- Thread type : Metric, Metric course, UNF, BA, BSF, UNC, UN8, BSW
Refer A320 L7M eye stud bolt and ASTM A 320 Gr L7M tap end stud bolts mechanical properties and chemical composition as per ASME B16.5, B18.31.2, B18.31.1M standards
SA 320 L7M stud bolt chemical composition
| Property class | P | S | Ni | Cr | C | Si | Mn | Mo | V | Ti |
|---|---|---|---|---|---|---|---|---|---|---|
| L7M | 0.035 maximum | 0.040 maximum | – | 0.80—1.10 | 0.38—0.48 | 0.15—0.35 | 0.75—1.00 | 0.15-0.25 | – | – |
Mechanical properties of A320 L7M carbon steel studs
| Class, Diameter In | Tensile Strength, minimum, ksi [MPa] | Reduction of Area, minimum, % | Yield Strength, minimum, ksi [MPa] (0.2 % offset) | Heat TreatmentB | Elongation in 2 in. or 50 mm minimum, % | Hardness maximum |
|---|---|---|---|---|---|---|
| 21⁄2 [65] and under | 100 (690) | 50 | 105 (725) | quenched and tempered | 16 | 321 HBC or 35 HRC |
SA 320 Grade L7M threaded studs impact test value
| Size of Specimen, mm | minimum impact value required for average of each set of three specimens, ft-lbf [J] | Test Temperature | minimum impact value permitted for one specimen only of a set, ft-lbf [J] | |
|---|---|---|---|---|
| °F | °C | |||
| 10 X 10 | 20 [27] | -100 | -73 | 15 [20] |
| 10 X 7.5 | 16 [22] | 12 [16] | ||
A320 Gr L7M double end stud bolts identifications
| L7M | Hex bolts, double ended studs, Stud for foundation, screws, stud bolts, wind energy bolts, Fasteners for wind turbines |
|---|
Recommanded products of ASTM A320 Grade L7M fully threaded studs
| 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 |