ASTM A413-80 Standard G30 Proof Coil Chain Galvanized Link Chain Q235 Carbon Steel Chain

ASTM A413-80 Standard G30 Proof Coil Chain Galvanized Link Chain Q235 Carbon Steel Chain
G30 chain, also known as Proof Coil chain, is one of the chain grades in the American ASME standard system. The number "30" represents the maximum stress that the chain can withstand per square millimeter, which is 300 Newtons. It is a universal chain and the industrial chain type with the lowest strength grade.
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Product Description


Product Name

G30 Proof Coil Chain

Material

Q235

Tensile Strength

300N/mm²

Size

1/8"-1", but 5/16" and 3/8" are the most selling size

Breaking Strength

Double

Standard

ASTM A413-80,NACM90, NACM96

Surface Treatment

Electric galvanized/ hot-dip galvanized/ black paint

Application

Light load scenarios such as daily bundling and hanging



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Product Features:

Material and process: Made of low strength carbon steel as raw material, it has good ductility and rust resistance, and is often treated with galvanizing to enhance its corrosion resistance; The process mainly involves cold drawing and annealing to relieve stress, and the production process for small-sized products is relatively complex.

Specification parameters: The common diameter range is 4mm-28mm, with a working load limit of 1300-6900 pounds (approximately 590-3130 kilograms). Specific parameters need to be determined based on the actual diameter.

Performance limitations: The strength is lower than that of medium and high-grade chains such as G43 and G70, and it is prohibited from being used for elevated lifting operations.


Product Parameter:

G30参数表头

NOMINALSIZE

MATERIALDIAMETER(D)

WORKING    LOADLIMIT

PROOF TEST(MIN)

BREAKING FORCEMIN

INSIDELENGTH(A)

INSIDE WIDTH(B)

MM

IN

MM

IN

KG

LBS

KN

LBS

KN

LBS

MM

IN

MM

IN

4

1/8

4

0.156

180

400

3.8

800

7.2

1600

23.9

0.94

6.4

0.25

5.5

3/16

5.5

0.217

365

800

7.2

1500

14.4

3200

24.8

0.98

7.7

0.3

7

1/4

7

0.276

580

1300

11.6

2600

23.2

5200

31.5

1.24

9.8

0.38

8

5/16

8.4

0.331

860

1900

16.9

3800

33.8

7600

32.8

1.29

1.2

0.44

10

3/8

10

0.394

1200

2650

23.5

5300

47.2

10600

35

1.38

14

0.55

11.9

7/16

11.9

0.488

1680

3700

32.9

7400

65.8

14800

41.5

1.64

16.6

0.65

13

1/2

13

0.512

2030

4500

40

9000

80

18000

45.5

1.79

18.2

0.72

16

5/8

16

0.63

3130

6900

61.3

13800

122.8

27600

56

2.2

20

0.79

20

3/4

20

0.787

4800

10600

94.3

21200

188.6

42400

70

2.78

25

0.98

22

7/8

22

0.866

5810

12800

114.1

25600

228.2

51200

77

3.03

27.5

1.08

26

1

26

1.02

8140

17900

159.1

35800

318.2

71600

90.9

3.58

31.7

1.25


Product Application:

Daily civilian use: swing hanging, fence protection, heavy object binding and fixation, and other scenarios;

Light industry: low-speed transmission equipment, light material traction, small trailer traction (load matching required);

Logistics warehousing: bundling of non lifting goods, auxiliary fixation of shelves, etc.

G30应用


Company Certification:

Our product meets international production standards and has obtained multiple certifications such as SGS, CE, Rohs ISO, etc

证书



Factory Showcase

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Customer Visit

Shandong Faster Technology Co., Ltd. is a professional comprehensive manufacturer of steel wire rope, sling, and chains in China, focusing on providing high reliability industrial supporting products and customized solutions for multiple industries such as lifting, ships, ports, construction, mining, elevators, etc.

The company has advanced automated production lines for wire drawing, twisting and rope closing, and also equipped with quality inspection equipment, to achieve full process control ability from raw materials to finished products, ensuring stable and consistent product quality. At present, it has the production capacity of various types of steel wire ropes with an annual output of over 70000 tons, and can supply single/multi strand steel wire ropes with a diameter of 1-20mm, covering three material series: galvanized, stainless steel, and plastic coated , to meet the corrosion resistance and high-strength requirements of different scenarios.

In addition to standardized steel wire rope products, we can customize and process various types of pressed product slings according to customer needs, and provide full specification chain products such as G30, G43, G70, G80, G100, etc., forming an integrated supply capacity of "rope-sling-chain", providing one-stop solutions for industrial lifting, traction, fixation and other multi scenario needs.

With excellent product quality and flexible customized services, Shandong Faster has become a long-term partner for many industry customers.

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