ASTM A437 GRB4B Stud Bolts

Brief Description:

Material: ASTM A437 GRB4B (heat treated alloy steel).
Diameter: Typically in metric sizes, ranging from M6 to M36, for example.
Length: Customized as needed, various lengths available.
Thread type: Usually metric thread, such as Coarse Thread or Fine Thread.
Head Type: Double-head design with threads on each end for applications requiring two-way fastening.

Product Detail

Product Tags

Short Description

ASTM A437 GRB4B stud bolts are high-strength, heat-treated alloy steel bolts commonly used in engineering applications requiring high strength and heat resistance. The material is commonly used in connections in high-temperature and high-pressure environments, such as in the petrochemical industry, energy industry, steam turbines and pressure vessels.

This stud bolt is simple in design and has two threaded ends, making it easy to tighten two threaded holes in one location, thereby simplifying the assembly process and improving assembly efficiency. The double-ended design can also be used in applications requiring two-way fastening.


High Strength: ASTM A437 GRB4B material has excellent mechanical properties, providing reliable connections.
Heat resistance: Suitable for work in high temperature environments and able to maintain stability.
Corrosion resistance: It has certain corrosion resistance to some chemical media.
Double-head design: Suitable for applications requiring two-way fastening to improve assembly efficiency.

The use of ASTM A437 GRB4B stud bolts can improve the heat resistance and reliability of the equipment, but when selecting and using it, please select the appropriate specifications and performance levels based on the specific application requirements and environmental conditions to ensure the reliability of the connection. and security.

Socket Head Bolts Sizes & Standards

Standards Sizes Material Grades
ASME B18.2.1 Socket Head Bolts 3/8 inch to 3 inch Stainless Steel ASTM / ASME SA 312 GR. TP 304,304L,304H,309S ,309H,310S, 310H,316,316TI, 316H,316LN,317,317L,321,321H,347,347H ,904L
BS 1769 Socket Head Bolts 1/2 inch to 2 inch Duplex Steel UNS NO S 31803,S32205, S32550,S32750,S32760
ASME B18.2.3.6M Socket Head Bolts M12 to M36 Carbon Steel ASTM / ASME A 335 GRP 1, P5, P9, P11, P12, P22, P23, P91
ASME B18.2.3.7M Socket Head Bolts M16 to M36 Allovs Steel ASTM / ASME A/SA 193 / 194 - B 6. B 7/ B 7M, B16, 2,2HM, 2H.GR6,B7,B7M
DIN 6914 Socket Head Bolts M12 to M36 Nickel Alloys Nickel Alloys 200. Nickel Allovs 201
ISO 7412 Socket Head Bolts M12 to M36 Hastelloy Hastelloy C-22, Hastelloy C-276, Hastelloy C-2000, Hastelloy C-4, Hastelloy , Hastelloy B. Hastelloy N.,HastellogyG
UNI 5712 Socket Head Bolts M12 to M36 Inconel Inconel 600,Inconel 601,Inconel 625,Inconel 625LCF,Inconel 686,Inconel 718,Inconel 800,Inconel 825.InconelX-750 ,Inconel 690.Inconel 602.Inconel 617,Inconel 925,Inconel A-29,Inconel AL-6XN, AL-904L

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