Stud Bolt ASTM A193 Gr B7 All Thread Stud Bolt
China Stud Bolt ASTM A193 Gr B7 All Thread Stud Bolt, Find details about China Threaded Rods, Stud Bolt from Stud Bolt ASTM A193 Gr B7 All Thread Stud Bolt
Basic Info.
Application
Machinery, Chemical Industry, Environmental, Building, Oil & Gas Pipe Connection
Finish
Plain Finish, Black Finish, Zinc Plated, HDG
Length
12feet / 3660mm
Trademark
NHZ
Transport Package
in Bundles Around 900kgs Pallet
Specification
1/4"-4", M5-M100
Origin
Ningbo, China
HS Code
7318190000
Application
Machinery, Chemical Industry, Environmental, Building, Oil & Gas Pipe Connection
Finish
Plain Finish, Black Finish, Zinc Plated, HDG
Length
12feet / 3660mm
Trademark
NHZ
Transport Package
in Bundles Around 900kgs Pallet
Specification
1/4"-4", M5-M100
Origin
Ningbo, China
HS Code
7318190000
Product Desciption
Threaded Rods/ Threaded Bars / Stud Bolts ASTM A193 GR B7,B7M,B8,B8M,B16
Threaded Rods ASTM A320 GR L7,L7M,L43
Threaded Rods ASTM A320 GR L7,L7M,L43
| Threaded Rods | |||||||||
| Standard: | ASTM A193/A320 | ||||||||
| Size: | 1/4" - 4", M5 - M100 | ||||||||
| Material: | Carbon Steel, Alloy Steel, Stainless Steel | ||||||||
| Grade: | ASTM A193/193M Gr. B7, B7M, B8, B8M, B16 | ||||||||
| ASTM A320/A320M Gr. L7, L7M, L43 | |||||||||
| SAE J429 Gr. 2,5,8 | |||||||||
| DIN 975/976 Class 4.8, 8.8, 10.9 | |||||||||
| Thread: | M, UNC, 8UN | ||||||||
| Finish: | Plain, Zinc Plated (Clear/Blue/Yellow/Black), Black Oxide, Nickel, Hot Dip Galvanized, | ||||||||
| Mechanical Galvanized, Geomet, , Zinc-Nickel Alloy | |||||||||
| Package: | 1. In Bundles Then on 900kgs Pallet | ||||||||
| 2. According to Customers demand (Customized Label & Carton Box) | |||||||||
A193 Chemical Properties
| Element | B7 (AISI 4140) | B8 (AISI 304) | B8M (AISI 316) |
| Manganese | 0.75 - 1.00% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.00035 | 0.00045 | 0.00045 |
| Sulfur, max | 0.0004 | 0.0003 | 0.0003 |
| Silicon | 0.15 - 0.35% | 1.00% max | 1.00% max |
| Chromium | 0.80 - 1.10% | 18.0 - 20.0% | 16.0 - 18.0% |
| Nickel | 8.0 - 11.0% | 10.0 - 14.0% | |
| Molybdenum | 0.15 - 0.25% | 2.00 - 3.00% |
A193 Mechanical Properties
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min | HBW | HRC |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 | 321 max | 35 max |
| 2-5/8 - 4 | 115 | 95 | 16 | 50 | |||
| 4-1/8 - 7 | 100 | 75 | 18 | 50 | |||
| B8 Class 1 | All | 75 | 30 | 30 | 50 | 223 max | 35 max |
| B8M Class 1 | All | 75 | 30 | 30 | 50 | 223 max | 96 max |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 | 321 max | 35 max |
| 7/8 - 1 | 115 | 80 | 15 | 35 | |||
| 1-1/8 - 1-1/4 | 105 | 65 | 20 | 35 | |||
| 1-3/8 - 1-1/2 | 100 | 50 | 28 | 45 | |||
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 | 321 max | 35 max |
| 7/8 - 1 | 100 | 80 | 20 | 45 | |||
| 1-1/8 - 1-1/4 | 95 | 65 | 25 | 45 | |||
| 1-3/8 - 1-1/2 | 90 | 50 | 30 | 45 |
A193 Recommended Hardware
| Bolt Grade | Nuts | Washers |
| B7 | A194 Grade 2H | F436 |
| B8 Class 1 | A194 Grade 8 | SS304 |
| B8M Class 1 | A194 Grade 8M | SS316 |
| B8 Class 2 | A194 Grade 8 | SS304 |
| B8M Class 2 | A194 Grade 8M | SS316 |
A320 Grades
| L7 Alloy steel | AISI 4140/4142 Quenched and tempered |
| L43 Alloy steel | AISI 4340 Quenched and tempered |
| B8 Class 1 Stainless steel | AISI 304, carbide solution treated |
| B8M Class 1 Stainless steel | AISI 316, carbide solution treated |
| B8 Class 2 Stainless steel | AISI 304, carbide solution treated, strain hardened |
| B8M Class 2 Stainless steel | AISI 316, carbide solution treated, strain hardened |
A320 Mechanical Properties
| Grade | Diameter | Tensile, ksi, min | Yield, ksi, min | Charpy Impact 20-ft-lbf @ temp | Elong, %, min | RA, %, min |
| L7 | Up to 2 1/2 | 125 | 105 | -150° F | 16 | 50 |
| L43 | Up to 4 | 125 | 105 | -150° F | 16 | 50 |
| Class 1: BC, B8C, B8M, B8P, B8F, B8T, B8LN, B8MLN | All | 75 | 30 | N/A | 30 | 50 |
| Class 1A: B8A, B8CA, B8MA, B8PA, B8FA, B8TA, B8LNA, B8MLNA | All | 75 | 30 | N/A | 30 | 50 |
| Class 2: B8, B8C, B8P, B8F, B8T | Up to 3/4 | 125 | 100 | N/A | 12 | 35 |
| 7/8 - 1 | 115 | 80 | N/A | 15 | 35 | |
| 1 1/8 - 1 1/4 | 105 | 65 | N/A | 20 | 35 | |
| 1 3/8 - 1 1/2 | 100 | 50 | N/A | 28 | 45 | |
| Class 2: B8M | Up to 3/4 | 110 | 95 | N/A | 15 | 45 |
| 7/8 - 1 | 100 | 80 | N/A | 20 | 45 | |
| 1 1/8 - 1 1/4 | 95 | 65 | N/A | 25 | 45 | |
| 1 3/8 - 1 1/2 | 90 | 50 | N/A | 30 | 45 |
A320 Chemical Properties
| Element | L7 (AISI 4140) | L43 (AISI 4340) | B8 (AISI 304) | B8M (AISI 316) |
| Carbon | 0.38 - 0.48% | 0.38 - 0.43% | 0.08% max | 0.08% max |
| Manganese | 0.75 - 1.00% | 0.75 - 1.00% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.04% | 0.04% | 0.05% | 0.05% |
| Sulfur, max | 0.04% | 0.04% | 0.03% | 0.03% |
| Silicon | 0.15 - 0.35% | 0.15 - 0.35% | 1.00% max | 1.00% max |
| Chromium | 0.80 - 1.10% | 0.70 - 0.90% | 18.0 - 20.0% | 16.0 - 18.0% |
| Nickel | 1.65 - 2.00% | 8.0 - 11.0% | 10.0 - 14.0% | |
| Molybdenum | 0.15 - 0.25% | 0.20 - 0.30% | 2.00 - 3.00% |
A320 Recommended Hardware
| Grade | Nuts | Washers |
| L7 | A194 Grade 4 or 7 | F436 |
| L43 | A194 Grade 4 or 7 | F436 |
| B8 Class 1 | A194 Grade 8 | SS304 |
| B8M Class 1 | A194 Grade 8M | SS316 |
| B8 Class 2 | A194 Grade 8 | SS304 |
| B8M Class 2 | A194 Grade 8M | SS316 |
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