high precision bright surface thick wall seamless tube ID 4.4mm, 5.4mm,5.5mm,6.3mm,6.35mm,6.8mm,8.03 airgun barrel tube and pipe
- Category: Metals & Alloys >>>
- Supplier: Henan Danqiu International Trade Co. Ltd.
Share on (1600568955216):
Product Overview
Description
Product Description
Please contact us for the specific model and size, and we will give you the best price
Major OD 16mm and 12mm others also available
Tube size can be designed as per customers requirements
Best hardness and machining ability
Frequent sizes for usage
ID 4.5mm OD 12mm
ID 5.5mm OD 12mm
ID 6.03mm OD 12mm
ID 7.03mm OD 12mm
ID 8.03mm OD 12mm
ID 4.5 mm OD 16mm
ID 5.4 mm OD 16mm
ID 5.45mm OD 16mm
ID 5.5 mm OD 16mm
ID 5.6 mm OD 16mm
ID 5.8mm OD 16mm
ID 6.03 mm OD 16mm
ID 6.25mm OD 16mm
ID 6.3 mm OD 16mm
ID 6.35 mm OD 16mm
ID 6.5mm OD 16mm
ID 6.8mm OD 16mm
ID 7.03 mm OD 16mm
ID 8.03 mm OD 16mm
ID 8.5mm OD 16mm
ID 8.6mm OD 16mm
ID 9.03mm OD 16mm
ID 10.03 mm OD 16mm
ID 12.03 mm OD 16mm
Others as per customer's requirements
ID tolerance can be controled within +/-0.02
Brigtht and Shinning inner and outer surface
Steel Grade: S45C, 4130,4140, 30CrMo, 42CrMo, 42CrMo4 and others
Good quality tubes consume less button for grooving
Special production Mechod
Other SIZEs for our production:
Outer Diameter: 1.5mm-60mm
Wall Thickness: 0.3mm to 10mm
Certificates:
According to EN 10204 3.1
Inspection Items: Tensile stength, Yield stength, Elongation, Flattenging, FlaringChemical analysisEddy Current
Test 100%, Size and surface checking 100%Other test item can be arranged as per request
DELIVERY CONDITIONS:
The tubes can be produced in the following delivery conditions:
BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after the last cold forming process.
BKW (+LC) Cold finished/soft (lightly cold worked)
After the last heat treatment there is a light finishing pass (cold drawing).
BKS (+SR) Cold finished/stress relieve annealed.
After the final cold forming process the tubes are stress relieve annealed.
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized. (Mainly focus on)
After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere
Product Description
Some samples of related steel grade
GB | TOCT | ASTM | BS | JIS | NF | DIN |
10F | 1010 | 040A10 | XC10 | |||
10 | 10 | 10,101,012 | 045M10 | S10C | XC10 | C10,CK10 |
20 | 20 | 1020 | 050A20 | S20C | XC18 | C22,CK22 |
45 | 45 | 1045 | 080M46 | S45C | XC45 | C45,CK45 |
30CrMo | 30XM | 4130 | 1717COS110 | SCM420 | 30CD4 | |
42CrMo | 4140 | 708A42 |
| 42CD4 | 42CrMo4 | |
708M40 | ||||||
35CrMo | 35XM | 4135 | 708A37 | SCM3 | 35CD4 | 34CrMo4 |
Other grades also availabe upon customer's request and market situation
SURFACE TREATMENTS
1. Bare Tube (No coating): Bright and smooth, Surface Roughness both inner and outer surface 0.2Ra Maximum for special requirement
2. Surface Coating
A. Silver galvanized
B. Yellow galvanized
C. Olive green coated
Layer thickness: 8-20um, Salty Spray Test: 48-150 hours
3. Black phosphate
Application
Production process
Steel bar from steel plant→Physical and chemical inspection→Surface treatment →Cutting → Heating→Hot piercing→Shell storage→Pickling and lubrication→Cold rolling→Heattreatmen →Pickling and lubrication→Cutting→Punching→Cold drawn→Size inspection→Outer and inner surface cleaning→NBK or GBK→Mechanics inspection→Chemical analysis 
Antlrust oil palnting→print→packing→flnished storage→Dellivery with quality certificate
1.We adopt special techniques and special skill in the acid cleaning process to deal with the place where it's easy to form fold crevice;
2.Well organized process,especially annealing treatment in a severely technical manner;
3.In respect with lubrication,we adopt the international advanced level treating process in the world,and put the surface quality of our productsunder strict control in order to prevent causing surface crack.
Product Equipment
Enployees: 80 people Registed
capital: 8200000RMB
Annual sales around: 60000000RMB
Monthly output: 400Ton
Factory Area: around 7000 sq meters
Production equipments:
Cold draw lines
Two heat treatment lines
Straightening lines
Polish machine
Cutting machines
Others
Testing Equipment
Hydraulic universal test machine for test tensile strength, yield points, flaring, flattening and elongation
C, S, Si, Mn,P analyse equipment
Hardness test machine
Metallographic analyzer
Eddy current and ultrasonic Non-destruction Test Machine
Visaul inspection bench
100% eddy current test
100% size and surface checking
Cooperation brand
FAQ
1.Q: Can you provide a free sample to check the quality ?
A: Free sample depends on the requiremenrts like sample size,quantity,mechancialperformance and others in detail
2.Q: How can I get the sample ?
A: The sample will be sent to you via international express and arrive in 3-5 days.Customers should cover the express charges
3.Q: How about your capacity?
A: Seamless pipes:500Ton/Month
4.Q: Could the tube be customized for us?
A: Yes.
5.Q: What are your terms of payment?
A: 30% to 50% T/T down payment balance T/T before shiment.Derail needs for checking.
6.Q: May I visit your factory?
A: Wellcome to visit our factory anytime.
7.Q: How can I get the quotation A.S.A.P?
A: Send us an inquiry with full detail as followings,quotation will be sent to you A.S.A.P.
a,Steel grade;
b,Process standard;
c,Order quantity;
d,Trade terms;
8.Q: How about the minum order quantity?
A: Normally for one size above 1ton,but it depends on the real situation.
Packaging & Shipping
Packaging workshop
Packaging is the ultimatee of product quality .we establish strict packaging quality
management system to improve packaging quality of products continuously and pack
products strictly in accordance with packaging standars and customer requirements.
We Recommend
New Arrivals
New products from manufacturers at wholesale prices
