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ASTM A194 Grade 7 Hex Lock Nut Quenched And Tempered Alloy Steel

Shanghai Powermax Fastener Co., Ltd.
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ASTM A194 Grade 7 Hex Lock Nut Quenched And Tempered Alloy Steel

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Brand Name : PM

Model Number : M6-M100, 1/4"-4"

Certification : ISO

Place of Origin : CHINA

MOQ : 100PCS

Price : USD 0.001-3 PER PCS

Payment Terms : L/C, T/T

Supply Ability : 500tons per month

Delivery Time : 15-25DAYS PER CONTAINER

Packaging Details : 25kgs/carton and 36 cartons on standard export wooden pallets

Standard : ASME B18.2.2

Size : 1/4" - 4", M6 -M100

Thread : UNC, UNF, UN

Thread Standard : ASME B1.1

Material : ASTM A194 Grade 7

Product : ASTM A194 Grade 7 Quenched and tempered alloy steel heavy hex nuts

Surface : Plain

Sample : 10pcs sample free

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ASTM A194 Grade 7 Quenched and tempered alloy steel heavy hex nuts

Heavy hex nut coatings include zinc, zinc yellow and hot dipped galvanized. We offer heavy hex nuts in standard (inch) and metric sizes ranging from ¼ to 4 inches.

Heavy hex nuts are slightly wider and thicker than the standard hex nut and they pair with large diameter, high strength, heavy hex bolts. Heavy hex nuts advantages include a greater length of thread engagement and better resistance to stretching or widening.

SIZE: 1/4" - 4", M6 -M100 .

STANDARD: ASME B18.2.2

THREAD: ASME B1.1 , UNC, UNF, UN8

FINISHED: Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G.

ASTM A194 Grade 7 Hex Lock Nut Quenched And Tempered Alloy Steel

A194 Grade 2:Carbon steel heavy hex nuts.

A194 Grade 2H:Quenched and tempered carbon steel heavy hex nuts.

A194 Grade 7:Quenched and tempered alloy steel heavy hex nuts.

A194 Grade 7L:Quenched and tempered alloy steel heavy hex nuts, Charpy impact tested.

A194 Grade 8:Stainless AISI 304 heavy hex nuts.

A194 Grade 8M:Stainless AISI 316 heavy hex nuts.

NOTE: There are other grades of A194. Those listed here are the ones we receive the most requests for. For information on other types, Please contact us.

A194 CHEMICAL PROPERTIES
Element 2, 2H 7 8 (AISI 304) 8M (AISI 316)
Carbon 0.4% min 0.37 - 0.49% 0.08% max 0.08% max
Manganese 1.0% max 0.65 - 1.1% 2.0% max 2.0% max
Phosphorus, max 0.04% 0.04% 0.05% 0.05%
Sulfur, max 0.05% 0.04% 0.03% 0.03%
Silicon 0.40% max 0.15 - 035% 1.0% max 1.0% max
Chromium 0.75 - 1.2% 18.0 - 20.0% 16.0 - 18.0%
Nickel 8.0 - 11.0% 10.0 - 14.0%
Molybdenum 0.15 - 0.25% 2.0 - 3.0%

A194 MECHANICAL PROPERTIES
Grade Marking Size Tempering Temp.Fahrenheit Proof Load Stress, ksi Hardness Brinell
Min Max
2 2 1/4" - 4" 0 150 159 352
2H 2H 1/4" - 1-1/2" 850 175 248 327
2H 2H 1-1/2" - 4" 850 175 212 327
7 7 1/4" - 4" 1100 175 248 327
8 8 1/4" - 4" - 80 126 300
8M 8M 1/4" - 4" - 80 126 300

Notes:
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 & M indicate heat-treated nuts.
Properties shown are those of coarse and 8-pitch thread heavy hex nuts.

ASTM A194 Grade 7 Hex Lock Nut Quenched And Tempered Alloy Steel


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4" hex lock nut

      

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M6 hex lock nut

      
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