ASTM A194/A194M Grade 8M Heavy Hex Nuts Stainless Steel Nuts
API 6A Flange Valve Wellhead Heavy Hex Nuts
Dimension Standard: ASME B18.2.2, ASME B18.2.4.6M, ISO 4033, Din934 H=D
Inch Size: 1/4”-4”
Metric Size: M6-M100
Other Available Grade:
ASTM A194/A194M 2H, 2HM, 4, 4L, 7, 7L, 7M, 8, 8M, 16 and so on.
Finish: Plain, Black Oxide, Zinc Plated, Zinc Nickel Plated, Cadmium Plated, PTFE etc.
Packing: Bulk about 25 kgs each carton, 36 cartons each pallet
Advantage: High Quality, Competitive Price, Timely Delivery,Technical Support, Supply Test Reports
Please feel free to contact us for more details.
ASTM A194
The ASTM A194 specification covers carbon, alloy and stainless steel nuts intended for use in high-pressure and/or high-temperature service. Unless otherwise specified, the American National Standard Heavy Hex Series (ANSI B 18.2.2) shall be used. Nuts up to and including 1 inch nominal size shall be UNC Series Class 2B fit. Nuts over 1 inch nominal size shall be either UNC Series Class 2B fit or 8 UN Series Class 2B fit. High strength ASTM A194 grade 2H nuts are common in the marketplace and are often substituted for ASTM A563 grade DH nuts due to the limited availability of DH nuts in certain diameters and finishes. Grades| 2 | Carbon steel heavy hex nuts |
| 2H | Quenched & tempered carbon steel heavy hex nuts |
| 2HM | Quenched & tempered carbon steel heavy hex nuts |
| 4 | Quenched & tempered carbon-molybdenum heavy hex nuts |
| 7 | Quenched & tempered alloy steel heavy hex nuts |
| 7M | Quenched & tempered alloy steel heavy hex nuts |
| 8 | Stainless AISI 304 heavy hex nuts |
| 8M | Stainless AISI 316 heavy hex nuts |
Mechanical Properties Grade Identification Markings
| Grade Identification Marking5 | Specification | Material | Nominal Size, In. | Tempering Temp. °F | Proof Load Stress, ksi | Hardness Rockwell | See Note | |
| Min | Max | |||||||
| ASTM A194 Grade 2 | Medium Carbon Steel | 1/4 - 4 | 1000 | 150 | 159 | 352 | 1,2,3 | |
| ASTM A194 Grade 2H | Medium Carbon Steel, Quenched and Tempered | 1/4 - 4 | 1000 | 175 | C24 | C38 | 1,2 | |
| ASTM A194 Grade 2HM | Medium Carbon Steel, Quenched and Tempered | 1/4 - 4 | 1000 | 150 | 159 | 237 | 1,2,3 | |
| ASTM A194 Grade 4 | Medium Carbon Alloy Steel, Quenched and Tempered | 1/4 - 4 | 1100 | 175 | C24 | C38 | 1,2 | |
| ASTM A194 Grade 7 | Medium Carbon Alloy Steel, Quenched and Tempered | 1/4 - 4 | 1100 | 175 | C24 | C38 | 1,2 | |
| ASTM A194 Grade 7M | Medium Carbon Alloy Steel, Quenched and Tempered | 1/4 - 4 | 1100 | 150 | 159 | 237 | 1,2,3 | |
| ASTM A194 Grade 8 | Stainless AISI 304 | 1/4 - 4 | - | 80 | 126 | 300 | 4 | |
| ASTM A194 Grade 8M | Stainless AISI 316 | 1/4 - 4 | - | 80 | 126 | 300 | 4 | |
| NOTES: 1. The markings shown for all grades of A194 nuts are for cold formed and hot forged nuts. When nuts are machined from bar stock, the nut must additionally be marked with the letter 'B'. The letters H and M indicate heat treated nuts. 2. Properties shown are those of coarse and 8-pitch thread heavy hex nuts. 3. Hardness numbers are Brinell Hardness. 4. Nuts that are carbide-solution treated require additional letter A - 8A or 8MA. 5. All nuts shall bear the manufacturer’s identification mark. Nuts shall be legibly marked on one face to indicate the grade and process of the manufacturer. Marking of wrench flats or bearing surfaces is not permitted unless agreed upon between manufacturer and purchaser. Nuts coated with zinc have an asterisk (*) marked after the grade symbol. Nuts coated with cadmium shall have a plus sign (+) marked after the grade symbol. 6. Other less common grades exist, but are not listed here. Inch Fastener Standards. 7th ed. Cleveland: Industrial Fasteners Institute, 2003. N-80 - N-81. | ||||||||
| Element | 2, 2H, and 2HM | 4 | 7 and 7M (AISI 4140) | 8 (AISI 304) | 8M (AISI 316) |
|---|---|---|---|---|---|
| Carbon | 0.40% min | 0.40 - 0.50% | 0.37 - 0.49% | 0.08% max | 0.08% max |
| Manganese | 1.00% max | 0.70 - 0.90% | 0.65 - 1.10% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.040% | 0.035% | 0.035% | 0.045% | 0.045% |
| Sulfur, max | 0.050% | 0.040% | 0.040% | 0.030% | 0.030% |
| Silicon | 0.40% max | 0.15 - 0.35% | 0.15 - 0.35% | 1.00% max | 1.00% max |
| Chromium | 0.75 - 1.20% | 18.0 - 20.0% | 16.0 - 18.0% | ||
| Nickel | 8.0 - 11.0% | 10.0 - 14.0% | |||
| Molybdenum | 0.20 - 0.30% | 0.15 - 0.25% | 2.00 - 3.00% |
Demonstration of how to correctly solder connections on a brass tub/shower valve.
www.bensahlstrom.com
1954 Chevrolet 3100 High Performance
This 1954 Chevy has been lovingly restored by John Egan of Hot Rods Restoration for years. It is 95 percent complete.
Featuring a 327 small block engine straight from a 1972 Corvette which has been completely overhauled and rebuilt with 1 mile.
Drive train and engine specs
1969, 1970 Chevy, XHDT, 4 bolt main block bored 0.30 over, extra heavy duty racing block
Large Journal 327 Steel Crank with Clevite tri metal bearings
Chevy HD Pink con rods with ARP rod bolts
Keith Black Hypereutectic flat top pistons with Molly rings
Comp Cams 268, .454 lift int. exh, with Clevite tri metal bearings and Cloyes True double roller timing set with cam lock
HD oiling system with aftermarket support brackets with HD driveshaft, HD ARP 4 bolt main stud kit
1958 Chevy 64cc Powerpack heads with 1.94 intake and 1.60 exhaust valves, HD Z28 valve springs, seals, locks, retainers and hardened valve seats, HD ARP head stud kit
Intake specs
Weiand th high rise 4 barrel intake with Edelbrock 600 cfm carb
Ignition
Accel HD, HEI, distributor with Accel braided steel wires and Champion gold series racing plugs
Exhaust
Hedman, block hugger, chrome headers with 2.5 inch dual exhaust and Hedman crossover pipe
Cooling system
Walker HD Classic series 4 row radiator with Kool Aire electric fan
Transmission
1972 Chevy Saginaw transmission rebuilt with Hurst Comp Plus 4 spd. shifter
Rear End
1984 Ford F150 9 inch rear end 31 spline with Detroit Locker, 3.00 ring gear
Interior and Exterior
All custom woodwork, upholstery and general fabrication work and parts done by John Egan of Hot Rods Reproduction
Stereo system by Realistic Kenwood, custom pull out stereo with 4 speakers
Flaming River steering column systems, hooked to GM power steering box
All chrome work throughout by T and T Plating
Tires, Pep Boys P225 60.15 Front, P295 50.15 Rear
Rims, American Racing 15×8 Front, 15×10 Rear Baby Moon rims
Extras
Custom leather upholstered bed cover
Custom built wood lock boxes underneath seats
Custom, brand new upholstery throughout entire interior
Custom, hand crafted, wood inside interior,instrument panel, door handles, shifter knob, etc.
Whats need to be done.
Steering column needs to be fitted and installed
Body has been restored but a couple of panels need to be repainted
Minor tinkering here and there, as is normal for any car
Serious inquires only
Qualified buyers are eligible for financing, nationwide shipping and extended warranties.
https://www.classiccartradernet.com/classifieds/category/315/Chevrolet/listings/5018/1954-Chevrolet-3100-High-Performance-in-Hyrum,-UT.html
Listing ID: 5018