Material:

GCr15(52100,SUJ2,SUJ3,100Cr6, SKF3S)

20CrNiMo(8620H,4118H)

SKF,30Cr13

Bearing Steel Tube

GB/T18254 High Carbon Chromium bearing seamless tube

ASTM A295 Wearable high-carbon bearing seamless steel tube

ASTM A534 Wearable&cementite bearing seamless steel tube

JIS G4805 High-Carbon Chromium bearing seamless steel tube

Size Range:

OD 5-114mm WT 1-14mm

Feature: High Dimensional Accuracy, Less Surface Decarburization,

High utilization rate and stable properties

Application: automotive, electrical, instrumentation,aerospace etc.

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