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Home> Products> Bolt> Hexagon Bolt> ASTM A307 Special Heavy Hexagonal Bolt
ASTM A307 Special Heavy Hexagonal Bolt
ASTM A307 Special Heavy Hexagonal Bolt
ASTM A307 Special Heavy Hexagonal Bolt
ASTM A307 Special Heavy Hexagonal Bolt
ASTM A307 Special Heavy Hexagonal Bolt
ASTM A307 Special Heavy Hexagonal Bolt
ASTM A307 Special Heavy Hexagonal Bolt

ASTM A307 Special Heavy Hexagonal Bolt

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Payment Type:T/T
Incoterm:FOB
Min. Order:1 Piece/Pieces
Transportation:Ocean
Product Attributes

Model No.ASTM A307

BrandAM

Product ModelASTM A307

Surface TreatmentBlue Teflon

Colorblue

Brand Nameasme

Head MarkingsAM

Strength GradeCustomizable according to needs

Place Of ProductionWuxi, Jiangsu, China

Specifications And DimensionsCustomizable according to needs

Product PackagingCarton packaging

Applicable ScopeMechanical industry

Packaging & Delivery
Selling Units : Piece/Pieces
Package Type : The product is packaged in cardboard boxes
Picture Example :
High temperature resistant ASTM A325
Product Description

hexagon bolt

307A is the material standard for hexagonal bolts in the United States, which is a material standard rather than a manufacturing standard,Special Heavy Hexagonal Bolt,ASTM Heavy Hexagonal Bolt,ASTM A307 Hexagon Bolt


ASTMA307-2000 is the standard for carbon steel external thread standard fasteners. That is to say, three different strength grades using the same low-carbon steel material are represented by the letters A grade, B grade, and C grade. A-grade ordinary hexagonal bolts suitable for general commodity use; Class B is suitable for large (heavy) hexagonal bolts connecting pipes and flanges; Class C is applicable to anchor bolts and hook bolts with certain plasticity requirements, and is specified to use American standard A36 material. Grade A bolts require a minimum tensile strength of 412NN/elongation of no less than 18%, Grade B bolts require a minimum tensile strength of 412N/maximum tensile strength of 699NN/within the range of mm2, with an elongation of no less than 18%, Grade C bolts require a minimum tensile strength of 399N/maximum tensile strength of 551N/within the range of mm2, with an elongation of no less than 23%, equivalent to Grade 4.6 of GB, which requires high material requirements and is difficult to process. A-grade bolts are the lowest strength grade products in American standards. Therefore, in the early 1990s, the US FQA Fastener Quality Assurance Act specifically emphasized that all fastener products entering the US market, only A-grade bolts in the ASTMA307 standard, were not included in legal inspections, and all other standard fasteners must be inspected through recognized laboratory columns,ASTM A307 Special Heavy Hexagonal Bolt
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