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Gr High Pressure Boiler Precision Stainless Steel Tubing
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Brand Name:Torich
Model Number:GB/T5310
Certification:ISO
Price:
Payment Terms:L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability:20000 Ton/Tons per Month
Delivery Time:35-45 days
Company Data
Verified Supplier
Contact Person
Richard SHEN
Business Type:
Manufacturer Distributor/Wholesaler Importer Exporter Trading Company Seller
Officials:
Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Quality:
Quality Certifitation Available
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Product Details
Company Profile
Product Details
Gr High Pressure Boiler Precision Stainless Steel Tubing
Product Description:
GB/T5310 Gr High Pressure Boiler Pipes Precision Seamless Steel Tube
| Standard | GB/T5310 |
| Matrial | 10# 20# etc Carbon Steel |
| Size | OD: 12.7-177.8mm WT: 1-25.4mm Length: according to customer requirement |
| Application | For Boilers,Superheaters, Heat-Exchangers, High-pressure Boilers |
| Production | Tubes are manufactured by seamless process and both hot finished and cold finished are applicable |
| Heat treatment | Hot finished tubes need not be heat treated. Cold Finished tubes are heat treated after the final cold finishing pass at a temperature of 1200℉(650℃) or higher |
Chemical Composition
C | 0.06-0.18 |
Mn | 0.27-0.63 |
P | ≤0.035 |
S | ≤0.035 |
Si | ≤0.25 |
Mechanical Properties
Brinell Hardness | Rockwell Hardness Number |
WT≥0.200 in (5.1mm) | WT≤0.200 in (5.1mm) |
137 HRB | 77HRB |
Mechanical Properties Tests and Inspection
Tensil Streghth: min ksi[Mpa] 47[325] Flattening Test Flaring Test
Yield Point: min ksi[Mpa] 26[180] Flange Test Hardness Test
Elongation: ≥35% Hydrostatic Test
Production Show
Our Company:
Packing & Delivery:
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.
FAQ:
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
GB/T5310 Gr High Pressure Boiler Pipes Precision Seamless Steel Tube
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