ASTM F3125 A325 A490 High Strength Heavy Hex Structural Bolt Black

• Customization: Available
• Material: Carbon Steel
• Type: Hexagon Head
• Model NO.: hex128
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST
• Grade: 8.8
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Galvanized, Dacromet, Black Oxide,Phosphating
• Pitches: Coarse (Unc) or Fine (Unf)
• Nut Grade: 10h/8h
• Proof Strength [Ksi]: 120
• Yield Strength (Min) [Ksi]: 130
• Thread Type: Partial or Totally Threaded
• Tensile Strength (Min) [Ksi]: 150 Minimum 173 Maximum
• Transport Package: Cartons on Pallet or Drums on Pallet
• Specification: 1/2′′~1 1/2′′
• Trademark: HYZ or customized
• Origin: China
• HS Code: 7318159001
• Production Capacity: 5 Million Sets/Month
• Package Size: 32.00cm * 23.00cm * 13.00cm
• Package Gross Weight: 25.000kg

Product Description

Product Description

Heavy Hex Bolts are designed for use in steel-to-steel structural connections. Our products are widely used in many large projects,such as 

Shenzhen Ping An Building(599 meters high)

Hongkong-Zhuhai-Macau Bridge (55km long)
 

Product Name	Heavy Hex Bolt for Structural Steel Joint
Place of Origin	Hangzhou China
Material	Alloy steel: 40Cr/42CrMo/B7/35CrMo
Surface treatment	Hot-dipped galvanized, Dacromet, Black oxide, Phosphating
Grade (ASTM)	ASTM Grade 8/ASTM Grade 5
Grade(GB)	8.8,10.9,12.9
Diameter(inch)	1/2, 5/8, 3/4 , 7/8, 1, 1 1/8, 1 1/4, 1 3/8, 1 1/2
Diameter(mm)	M12,M14, M16,M20,M22,M24,M27,M30,M33,M36
Length(inch)	1~20 or customized
Length(mm)	30~400mm or customized
Head Marking	HYZ or customized
Certificates	CE,SGS,ISO 9001,FPC BC1
Available standard	ASTM A325,ASTM A490,JIS B1186(F10T), EN14399,GB/T1231-2006

 

Mechanical Properties

Imperial head mechanical properties

Specification	Nominal size range [in]	Proof strength [ksi]	Yield strength (min) [ksi]	Tensile strength (min) [ksi]	Core hardness [Rockwell]
ASTM A490 Type 1	1⁄2-1+1⁄2	120	130	150 -173	C33-38
ATSM A325 Type 1	1⁄2-1	85	92	120	C24-35
ATSM A325 Type 1	1-1+1⁄2	74	81	105	C19-31

Metric head mechanical properties

Specification	Nominal size range [mm]	Proof strength [MPa]	Yield strength (min) [MPa]	Tensile strength (min) [MPa]	Core hardness [Rockwell]
ASTM A490 Type 1	12-36	830	940	1040	C33-39
ATSM A325 Type 1	12-36	600	660	830	C23-34

Detailed Photos

 

 

Certifications

Packaging & Shipping

a.Cartons+wooden pallets
1. 25 kgs per carton, 48 cartons/1200KG per pallet.
2. 1 x 20' GP container can load about 16-20 pallets.

b.Barrels+wooden pallet
1. 200 kgs per drum,6 drums/1200KG per pallet.
2. 1 x 20' GP container can load about 16-20 pallets.

Company Profile

Hangzhou Jiaxiang Gaoqiang Bolts Co., Ltd. is founded in 2007 with registered capital of RMB 30 million and is professionally engaged in manufacturing high-strength bolts with large hexagon heads for steel structures, torsion and shear type high strength bolts and shear studs.

Located in Jinhua Industrial Park, Xiaoshan District, Hangzhou City, our plant covers an area of 22,000 square meters with convenient transportation and beautiful environment. It's two-hour drive to Shanghai and Ningbo Ports. Our company has strong technical force, advanced production equipments and testing equipments.

Our products cover 10.9S-12.9 S-Class. Our leading products of 10.9S high-strength large hexagon bolt pairs, torsion and shear type bolted pairs and welding studs are mainly used for railways, bridges, large industrial plants, high and super high-rise buildings, convention centers, sports stadiums and other large constructions. The annual production capacity is  1,500 million pieces. We are a member of China General Machine Components Industry Association and Shanghai Association of Fastener Industry Association of Metal Structures, and have passed ISO9001:2000 quality system certification.With high-quality products and reasonable prices, we warmly welcome customers to cooperate with us.  

 

Plant & Reception Room
Jiaxiang Bolts with trade mark HYZ is a leading manufacturer for high strength bolts and shear studs. We warmly welcome your visit.
 

Cold Forging & Hot Forging
In either cold or hot, we count with long time experience and wide variety of machinary which enables us  to define the most effective equipments    to produce the requested items in the most efficient way.
 

Heat Treatment
Conveyor and static systems are defined in relation to the type of items to be treated, being always aware of the importance of this process to ensure its correct application.
 

Inspection
Our manufacture follow a flow chart with continuous control through measurements and registers of each stage of the process, that will be expressed in our final quality certification.
 

Storage & Logistics
We have our facilites fully palletized in warehouse to make sure the goods to be delivered in efficient way.   

                

Project Reference

 

FAQ

Q: Are you trading company or manufacturer ?
A: We JIAXIANG BOLTS, founded in 2007, is the leading manufacturer in China for shear connector and high strength bolts.

Q: How long is your delivery time?
A: It we have stock, it takes about 2 days to deliver. If no stock, it takes about 15-20 days to deliver for container(about 20 tons).

Q: Do you provide samples ? Is it free or extra ?
A: Yes, we could offer the sample for free charge, and you are required to afford the freight fee.

Q: Why us?
A: 1)With 16 years of steel structure experience, we always supply high and stable quality products with reasonable price.
2) Unique production process,especially for bottom surface "Slightly curve&Chamfer" on stud.


Q: Do you have Quality Control Department?
A: Yes! Not only for that, our testing center has been granted as National Enterprise Technology Center. All the QC employees are qualified with national certificates. Our forward-looking technology allows to implement the testing requirements which is stricter than national standards.

Q: What is your terms of payment ?
A: Mostly 30% T/T  advance, 70% before shipment.