Delivery Time:3-5 days
Certification:CE,FCC,MSDS
Round Cold Rolled Precision Seamless Steel Tube Of Petroleum / Chemical Industrial
Specifications:
Production process of cold rolled steel tube:
Cold rolled precision seamless steel tube, round tube blank - Inspection - cut - heating - penetration tube rolling - cooling - Inspection - acid cleaning, lubricating - mill rolling - oxygen free heat treatment - precision straightening straight cutting head, chamfering, non destructive testing - testing - antirust processing, packaging weigher, storage
Product Catalogue:
|
Item |
Material |
Standard |
Specification (OD*WT)mm |
Usage |
|
Alloy pipe |
Cr5Mo. 15CrMo 13CrMo44 12Cr1MoV P22 T91,P91,P9, T9 Wb36 |
GB5310-95 GB9948-88 ASTMA335/A335M ASTMA213/213M DIN17175-79 JISG3467-88 JISG3458-88 |
16-824*2-100 |
The seamless steal pipes features resistance to high presure,high/low temperature and corrosion ano is used in the industries of petroleum, chemical engineering and. Electric pwer as well as boiler |
|
High-pressure boiler pipe |
20G,A106, ST 45 |
GB5310-95 ASTM A 106-99 DIN17175-79 |
14-630*2-80 |
Temperature-resistant seamless steel pipe far high-pressure boiler |
|
Seamless pipes for petroleum |
20, 12 CrMo, 15 CrMo |
GB9948-88 |
10-530*1.5-36 |
Boiler pipes for refinery, heatexchangeing pipes, seamless steel pipes for pipeline |
|
High-pressure Seamless pipes for fertilizer making equipment |
20, 16Mn, Q345 |
GB6479-2000 |
18-530*3-40 |
Fertilizer making equipment and pipe line |
|
Low and mediun pressure boiled pipe |
10,20 |
GB3087-1999 |
10-530*2-40 |
Over-heat pipe for low and medium pressure boiler, boilling water pipe,locomotive somke pipe(big and small) |
|
Fluid pipe |
20, Q345 |
GB/T8163-1999 |
8-630*1.0-40 |
Fluid feeding |
|
Structural pipe |
10,20,35,45, 16Mn,Q345B |
GB/T8162-1999 |
6-1020*1.5-100 |
For commom structure |
|
Line pipe |
Gr..B |
API |
60-630*1.5-40 |
Carrying gas,water or oil in the industries of petroleum and natural gas |
|
Hydraulic prop pipe |
27SiMn |
GB/T17396-1998 |
70-377*9-40 |
Hydraulic support |
Description:
20G high pressure pipe size tolerance:
|
tolerance class |
out standard tolerancd allowed
|
|
D1
|
±1.5%,min±0.75 mm
|
|
D2
|
±1.0%.min±0.50 mm
|
|
D3
|
±0.75%．min±0.30 mm
|
|
D4
|
±0.50%.min±0.10 mm
|
There are also 20g 20# steel. In addition to their carbon content as 20g, there are a number of trace elements is more suitable for characteristics of boiler and pressure vessel use. 20G also focuses on the assessment of its physical properties. For example, bending, impact and tensile properties.
Applications:
Used in industries as chemical engineering, petroleum, medicine, food, energy, nuclear power, aerospace,
environmental prot
