Types
|
Application
|
Structure Purposes
|
General structure and mechanical
|
Liquid Services
|
Petroleum, gas and other fluids conveying
|
Low and Medium Pressure Boiler Tube
|
Steam and boiler manufacturing
|
Hydraulic Pillar Service
|
Hydraulic support
|
Auto Semi-shaft Casing
|
Auto sem-shaft casing
|
Line Pipe
|
Oil and gas conveying
|
Tubing and Casing
|
Oil and gas conveying
|
Drill Pipes
|
Well drilling
|
Geological Drilling Pipe
|
Geological drilling
|
Furnace tubes, heat exchangers tubes
|
Furnace tubes, heat exchangers
|
Tolerance
Pipe types
|
Pipe sizes(mm)
|
Tolerances
|
Hot rolled
|
OD<50
|
±0.50mm
|
OD≥50
|
±1%
|
WT<4
|
±12.5%
|
WT 4
~
20
|
+15%, -12.5%
|
WT>20
|
±12.5%
|
Cold drawn
|
OD 6
~
10
|
±0.20mm
|
OD 10
~
30
|
±0.40mm
|
OD 30
~
50
|
±0.45
|
OD>50
|
±1%
|
WT≤1
|
±0.15mm
|
WT 1
~
3
|
+15%, -10%
|
WT >3
|
+12.5%, -10%
|
Q&A
Q1: Are you trading company or manufacturer ?
A: We are a factory. Our factory locates in Shandong Province. If you would like to visit our factory, just inform us in advance, we warmly welcome all of our clients to visit us.
Q2: How long is your delivery time?
A: Generally, it is 10-15 days after receiving the deposit.
Q3: What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q4: What is your terms of delivery?
A: EXW, FOB, CFR, CIF, etc.
Q5: What is your sample policy?
A: We can supply free samples if we have ready parts in stock, but the courier cost are charged.
Q6: what is your main products?
A: Our main products are listed as follows: Precision steel pipe, Hot Rolled steel pipe, Cold Drawn steel pipe, Seamless steel pipe, Alloy steel pipe, Bearing steel pipe, Welded pipe, Spiral pipe, Galvanized pipe etc.