Goodmax International Group Ltd always pursues the principle of " the company survives on the quality", we have established the complete quality system in accordance with international standards, and can produce according to ISO,API,ASTM, JIS, BS, GB,etc. We have obtained the certificates of API and ISO and can provide customers with various sizes of longideationally welded steel pipes and sprial welded steel pipes in good quality.
APPLICABLE STANDARDS
| Standard Specification |
Standard Name |
|
API Spec 5L
|
Line Pipe
|
|
ISO3183-1:1996
GB/T9711.1-1997
|
Petroleum & Natural Gas Industries – Steel Pipe for Pipelines – Technical Delivery Conditions – Part 1 Pipes of Requirements Class A
|
|
ISO3183-2:1996
GB/T9711.2-1999
|
Petroleum & Natural Gas Industries – Steel Pipe for Pipelines – Technical Delivery Conditions – Part 2 Pipes of Requirements Class B
|
|
ASTM A252-2002
|
Standard Specification for Welded & Seamless Steel Pipe Piles
|
|
ASTM A139-00
|
Standard Specification for Electric-Fusion (Arc)-Welded Steel Pipe
|
|
SY/T5037-2000
|
Spirally Submerged Arc Welded Steel Pipe for Low Pressure Liquid Pipelines
|
|
SY/T5040-2000
|
Spirally Submerged Arc Welded Steel Pipe Piles
|
|