Carbon Steel High Tensile ASTM A193m B8m Stub Bolt with A194 2h Heavy Hex Nut
China Carbon Steel High Tensile ASTM A193m B8m Stub Bolt with A194 2h Heavy Hex Nut, Find details about China Stub Bolt A193 B7 B8 B8a B8s Chrome-Moly Alloy, Stub Bolt A193 B7 B8 B8a B8s Pfte Coated from Carbon Steel High Tensile ASTM A193m B8m Stub Bolt with A194 2h Heavy Hex Nut
Basic Info.
Certificate
ISO, CE
Color
Blue, Black, Zinic White, Yellow Zinc
Trademark
Kingmetal
Transport Package
in Sea Worthy Export Packing
Specification
1/2" to 4"
Origin
China
Certificate
ISO, CE
Color
Blue, Black, Zinic White, Yellow Zinc
Trademark
Kingmetal
Transport Package
in Sea Worthy Export Packing
Specification
1/2" to 4"
Origin
China
Product Desciption
Carbon Steel High tensile ASTM A193M B8M Stub bolt with A194 2H Heavy hex nut
| Standard: | ASTM, DIN |
| Size: | 1/2"-4", M5-M64 |
| Material: | Alloy Steel |
| Grade: | ASTM A193 193M Gr.B7,GR.B8M, B7M,B8, B16 |
| Length: | <=6m |
| Finish: | Plain, ZincPlated(Clear/Blue/Yellow/Black), H.D.G. |
| Packing: | bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand |
| Application: | Structural Steel; Metal Building; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile |
| Test Equipment: | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G. thickness tester, 3D detector, Projector, Magnetic flaw detector |
| Supply Ability: | 1000 tons per month |
| Payment | T/T, L/C etc |
| Market: | South&north America/Europe/East&South east Asia/ Australia and etc. |
ASTM A193 Stud Bolts: Chemical Composition
| Physical Element | ASTM A193 grade B7 | ASTM A193 grade B8 | ASTM A193 grade B8M |
|---|---|---|---|
| Carbon | 0.38 - 0.48% | 0.08% max | 0.08% max |
| Manganese | 0.75 - 1.00% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.035% | 0.045% | 0.045% |
| Sulfur, max | 0.040% | 0.030% | 0.030% |
| 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 | absent | 8.0 - 11.0% | 10.0 - 14.0% |
| Molybdenum | 0.15 - 0.25% | absent | 2.00 - 3.00% |
ASTM A193 Stud Bolts: Mechanical Properties
| ASTM A193 | Size | Min Tensile Strength (KSI) | Min Yield Strength (KSI) | Min Elongation (%) | RA % min | Max HBW | Max HRC |
|---|---|---|---|---|---|---|---|
| ASTM A193 grade B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 | 321 | 35 |
| 2-5/8 - 4 | 115 | 95 | 16 | 50 | |||
| 4-1/8 - 7 | 100 | 75 | 18 | 50 | |||
| ASTM A193 grade B8 Class 1 | All | 75 | 30 | 30 | 50 | 223 | 35 |
| ASTM A193 grade B8M Class 1 | All | 75 | 30 | 30 | 50 | 223 | 96 |
| ASTM A193 grade B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 | 321 | 35 |
| 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 | |||
| ASTM A193 grade B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 | 321 | 35 |
| 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 |
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