Product Details:
Payment & Shipping Terms:
|
| Keyword: | Carbon Steel Tube | Material: | 1045 4130 4140 |
|---|---|---|---|
| WT: | 1mm~50mm | OD: | 6mm~350mm |
| Application: | For Auto Parts, Machinery Parts | Tolerance: | +/-0.1mm |
| Surface: | Anti Rust Oil | End Protector: | Plastic Pipe Cap |
Chemical Requirements
|
Steel grade
|
C max
|
Mn
|
P max
|
S max
|
Si max
|
Cr max
|
Mo
|
|
1045
|
0.45-0.50
|
0.60-0.90
|
0.04
|
0.05
|
|
|
|
|
4130
|
0.28-0.33
|
0.40-0.60
|
0.04
|
0.04
|
0.15-0.35
|
0.80-1.10
|
0.15-0.25
|
|
4140
|
0.38-0.43
|
0.75-1.00
|
0.04
|
0.04
|
0.15-0.35
|
0.80-1.10
|
0.15-0.25
|
Mechanical properties
|
Steel Grade
|
Tensile Strength, min
|
Yield Strength, min
|
Enlongation %, min
|
Rockwell Hardness B Scale
|
|
1045 HR
|
75 ksi 517Mpa
|
45ksi 310Mpa
|
15%
|
80
|
|
1045CW
|
90ksi 621Mpa
|
80ksi 552Mpa
|
5%
|
90
|
|
1045SR
|
80ksi 552Mpa
|
70ksi 483Mpa
|
8%
|
85
|
|
1045A
|
65ksi 448Mpa
|
35ksi 241Mpa
|
20%
|
72
|
|
1045N
|
75ksi 517Mpa
|
48ksi 331Mpa
|
15%
|
80
|
|
4130 HR
|
90ksi 621Mpa
|
70ksi 483Mpa
|
20%
|
92
|
|
4130 SR
|
105ksi 724Mpa
|
85ksi 586Mpa
|
10%
|
95
|
|
4130A
|
75ksi 517Mpa
|
55ksi 379Mpa
|
30%
|
81
|
|
4130N
|
90ksi 621Mpa
|
60ksi 414Mpa
|
20%
|
89
|
|
4140 HR
|
120ksi 855Mpa
|
90ksi 310Mpa
|
15%
|
100
|
|
4140 SR
|
120ksi 855Mpa
|
100ksi 689Mpa
|
10%
|
100
|
|
4140 A
|
80ksi 552Mpa
|
60ksi 414Mpa
|
25%
|
85
|
|
4140 N
|
120ksi 855Mpa
|
90ksi 621Mpa
|
20%
|
100
|
QUALITY CONTROL:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking
100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.
Q: Are you trading company or manufacturer ?
A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us
