Casting Steel Closed Chock Material ASTM A27-70-36 Ship Mooring Equipment

Description

Casting steel closed chock is made of material ASTM A27-70-36 or equivalent and has 3 types. The surface of the closed chocks is smooth and free from burs which may cut the mooring rope. Casting steel has been heat treated before delivery with good mechanical property and surface quality. Magmatic examination or dye penetration test will be carried out as required for free of sub-surface defects.

Main Technical Specification

1. Model Type: closed chock;
2. Types: 480, 490, 14 or as customized
3. Material Grade: C-Mn Casting Steel ASTM A27-70-36 or equivalent;
4. Surface treatment: Sandblasting
5. Certificate: ABS approval, Mill’s material certificate.
6. Quality Control: Material Mechanical Test, Heat treatment, Magmatic examination or dye penetration test if required

Main Technical Parameters:

Model

Description

Dimensions In Inches (mm)

LBS (KGS)

A

B

C

D

E

F

G

H

I

J

480

Closed Chock, 9"

9" (229)

27.75" (705)

10.13" (257)

12" (305)

5.25" (133)

6" (152)

2.06" (52)

1.5" (38)

1 .375" (35)

1.125" (29)

176 (80)

490

Closed Chock, 12"

12" (305)

36" (914)

13.38" (340)

16" (406)

7" (178)

8" (203)

2.63" (67)

1.88" (48)

1.75" (44)

1.5" (38)

455 (206)

14

Closed Chock, 14"

14" (356)

42" (1066)

15.63" (397)

18.75" (476)

8.17" (208)

9.38" (239)

3.06" (78)

2.19" (56)

2" (51)

1.75" (44)

725 (329)

Drawing of Casting Steel Closed Chock Material ASTM A27-70-36 Ship Mooring Equipment