Cold Rolling Automotive ASTM A295 Bearing Steel Tube
Product Details
ASTM A295 bearing steel tube
,Automotive bearing steel tube
TORICH ASTM A295 High Carbon Quality Precision Automotive Bearing Steel Tubes
Brief introduction:
| Size: | OD: 5-114mm |
| WT: 1-14mm | |
| Material: | GCr15(52100,SUJ2,SUJ3,100Cr6, SKF3S), 20CrNiMo(8620H,4118H) SKF,30Cr13
|
| Feature: | High Dimensional Accuracy, Less Surface Decarburization, High utilization rate and stable properties
|
| Application: | Automotive, electrical, instrumentation,aerospace etc. |
| Surface condition: | 1. Possible oxide skin |
| 2. Surface oxide free skin (common annealing, pickling, passivation) (gray white) | |
| 3. Micro oxide skin (black surface) | |
| Organizational requirements: | No defects in appearance: folding, playful, crack, etc. There is no defect in internal structure: metallography is inconsistent, and grain size structure does not meet the technical requirements / standard requirements of customers. Macro and micro microstructure. Pearlite and grain size requirements. Slag inclusion, non-metallic slag inclusion |
| Non destructive testing: | Eddy Current Test |
| Ultrasonic Test | |
| Hydrastatic Test | |
Destructive test: | Flattening Test, Flarring Test, Flange Test, Hardness Test, Metallographic analysis, internal grain size. |
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
Product show:
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.
Q:Do you have agent or distributor in our country?
A:We are recruiting area agent and distributor all over the world, welcome to send us your mail or call us for detail discussion.
Q: How is your production capability?
A: 1. 2000 tons monthly production capacity, 5000 tons monthly trading capability
2. Prompt and Timely shipment
Q:How to get the sample?
A:1. You are requested to pay for sample charges and courier charges from China to your country; and the free sample is according the product like size, steel grade and quantity, please consult our sales for details
2. Sample charges will be refunded when order is placed.
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
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