Sign In | Join Free | My chinacomputerparts.com
China Shanghai Powermax Fastener Co., Ltd. logo
Shanghai Powermax Fastener Co., Ltd.
Shanghai Powermax Fastener Co., Ltd. Quality first, Clients first.
Active Member

5 Years
Home > Heavy Hex Bolts >

ASTM A449 Structural UNC 2A Black Finish Heavy Hex Bolts Fully Thread

Product Categories
Shanghai Powermax Fastener Co., Ltd.
Contact Now

ASTM A449 Structural UNC 2A Black Finish Heavy Hex Bolts Fully Thread

  • 1
  • 2
  • 3

Brand Name : PM

Model Number : M6-M36, 1/4"-1.1/2"

Certification : ISO

Place of Origin : CHINA

MOQ : 100PCS

Price : USD 0.001-3 PER PCS

Payment Terms : L/C, T/T

Supply Ability : 1000 Tons per Month

Delivery Time : 15-25DAYS PER CONTAINER

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

Material : 40Cr, 42CrMo

Grade : ASTM A449,type1

Size : 3/4"

Length : 60mm

Surface : Black , Black Oxide

Thread : UNC

Mark : Manufacturer's ID and A449

Product name : F3125 A490 Type 1 hot dip galvanized cold forged high tensile heavy hex bolt

Contact Now

ASTM A449 structural UNC 2A fully thread black finish heavy hex bolt

This specification covers chemical and mechanical requirements for two types of quenched and tempered steel bolts and studs, intended for use in general application with high strength requirement. ASTM A449 specification includes type 1 medium carbon steel bolts and studs manufactured in diameter 1/4 inch to 3 inch for imperial connections and from M6 to M76 for metric connections; Whereas A449 type 2 is low carbon martensite steel bolts and studs manufactured in diameter 1/4 inch to 1 inch for imperial connections and M6 to M24 for metric connections. We manufactures and supplies ASTM A449 Type 1 & Type 2 Bolts, Studs, etc with fine precision, superior integrity along with EN 10204 Type 3.1 Certification.

ASTM A449 Structural UNC 2A Black Finish Heavy Hex Bolts Fully Thread

SIZE: 1/4" - 1.1//2", M6 -M36. And 600mm Max length.

STANDARD: ASME B18.2.6

THREAD: ASME B1.1 , UNC, UNF, CLASS 2A

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

ASTM A449 Structural UNC 2A Black Finish Heavy Hex Bolts Fully Thread

ASTM A449 Bolt Grades

Bolt Grade

Alloy

Type 1

Medium Carbon Alloy Steel

Type 2

Low Carbon Martensite or Medium Carbon Martensite Steel

ASTM A449 Bolting Size Range

Bolt Grade

Inch

Type 1

1/4" to 3"

Type 2

1/4" to 1"

ASTM A449 Chemical Composition

Element

Type 1

Type 2

Heat Analysis, %

Product Analysis, %

Heat Analysis, %

Product Analysis, %

Carbon

0.28 - 0.55

0.25 - 0.58

0.15 - 0.38

0.13 - 0.41

Manganese, min

0.6

0.57

0.6

0.67

Phosphorus, max

0.04

0.048

0.04

0.048

Sulfur, max

0.05

0.058

0.05

0.058

Boron, min

--

--

0.0005

0.0005

ASTM A449 Mechanical Properties

Nominal Diameter, inch

Tensile Strength, ksi

Yield Strength, min, ksi

Elongation in 4D, min, %

Reduction in Area, min, %

1/4 to 1, incl.

120

92

14

35

Over 1 to 1-1/2, incl.

105

81

14

35

Over 1-1/2 to 3, incl.

90

58

14

35

ASTM A449 Hardness Requirements

Bolt Size, inch

Hardness

Brinell Hardness Number

Rockwell C

1/4 to 1, incl.

255 to 321

25 to 34

Over 1 to 1-1/2, incl.

223 to 285

19 to 30

Over 1-1/2" to 3, incl.

183 to 235

--

ASTM A449 Recommended Nuts

Bolt Grade

Size, Finish

Nut Grade

Style

Type 1 & Type 2

1/4" to 1-1/2", plain

ASTM A563 Grade B

Hex

Over 1-1/2" to 3", plain

ASTM A563 Grade A

Heavy Hex

1/4" to 3", zinc coated

ASTM A563 Grade DH

Heavy Hex


Product Tags:

42CrMo A449 Heavy Hex Bolts

      

42CrMo A449 hex bolt fasteners

      

42CrMo 60mm Heavy Hex Bolts

      
China ASTM A449 Structural UNC 2A Black Finish Heavy Hex Bolts Fully Thread factory

ASTM A449 Structural UNC 2A Black Finish Heavy Hex Bolts Fully Thread Images

Inquiry Cart 0
Send your message to this supplier
 
*From:
*To: Shanghai Powermax Fastener Co., Ltd.
*Subject:
*Message:
Characters Remaining: (0/3000)
 
You May Like