Products
- Steel Pipes[21]
Contact Us
- Contact Person : Mr. Lv Daming
- Company Name : Guangdong Fangzheng Industrial Development Co., Ltd.
- Tel : 86-20-38731864
- Fax : 86-20-38732805
- Address : Guangdong,Guangzhou,Room B2,30 floor,China Everbright Bank building,No.689, Tian He Bei Road, Guangzhou,China
- Country/Region : China
- Zip : 510635
steel&steel pipe&shipping tube
Product Detailed
Related Categories:Steel Pipes
Detailed Product Description
steel&steel pipe&shipping tube
Content:Shipping Tube
Criterion
CCS Rules for Classification and Construction of Ships
BV Rules for Classification of Ships
LR Rules and Regulations for Classification of Ships
DNV Rules for Classification of Ships
GL Rules for Classification and Construction
Standard
GB/T5312
Uses
For marine boiler, superheater and pressure-resistant line pipe manufacturing
Tolerances
Outside diameter and thickness tolerance
diameter | Hot-rolled pipe | diameter mm | ≤ 159 | 159 | |
tolerance % | ± 1.0 | ± 1.25 | |||
cold drawing pipe | diameter mm | ≤ 30 | 30~50 | 50 | |
tolerance | ± 0.20mm | ± 0.30mm | ± 0.8% | ||
thickness | Hot-rolled pipe | diameter mm | 3 S ≤ 20 | S 20 | |
tolerance % | +15 -10 | ± 10 | |||
cold drawing pipe | diameter mm | 1.5~3 | 3 | ||
tolerance % | +12 -10 | ± 10 | |||
Other products
