TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | USD 700-1100/Ton |
| Delivery Time | 15-30days |
| Packaging Details | Packing in wooden, hexagonal box or other seaworthy ways |
| Product Name: | Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Q345 |
| Keyword: | Seamless Steel Tubes |
| Material: | 10# 20# Q295 Q345 St35.8 |
| Shape: | Round |
| Usage: | For Liquid Transpotation |
| OD: | 3-900mm |
| WT: | 0.5-180mm |
| Length: | 1-12m |
| Brand Name | TORICH |
| Model Number | GB/T 8163 |
| Certification | ISO 9001 ISO 14001 TS 16949 |
| Place of Origin | Zhejiang,China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability | USD 700-1100/Ton |
| Delivery Time | 15-30days | Packaging Details | Packing in wooden, hexagonal box or other seaworthy ways |
| Product Name: | Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20# Q345 | Keyword: | Seamless Steel Tubes |
| Material: | 10# 20# Q295 Q345 St35.8 | Shape: | Round |
| Usage: | For Liquid Transpotation | OD: | 3-900mm |
| WT: | 0.5-180mm | Length: | 1-12m |
| Brand Name | TORICH | Model Number | GB/T 8163 |
| Certification | ISO 9001 ISO 14001 TS 16949 | Place of Origin | Zhejiang,China |
| High Light | seamless steel pipe ，seamless carbon steel tube | ||
Seamless Steel Tubes for Liquid Service GB/T 8163 10# 20#
Spec:
Material:10# 20# Q295 Q345 st35.8
Size Range:OD:4-1200mm
WT:0.3-200mm
General Length:3-12.5m
Tolerance of the OD &WT:
OD Tolerance:
| Production Method | OD Tolerance |
| Hot Rolling(Extrusion) | ±1% or ±0.50mm |
| Cold Drawn(Cold Rolled) | ±1% or ±0.30mm |
Tolerance for wall thickness:
1.Wall thickness tolerance of Hot Rolling steel tube:
| Production Method | OD (DN) | WT/OD | Tolerance |
| Extruded tube | ≤102 | / | ±12.5% or ±0.40mm |
| ＞102 | ≤0.05 | ±15% or ±0.40mm | |
| ＞0.05-0.10 | ±12.5% or ±0.40mm | ||
| ＞0.10 | +12.5% -10% | ||
| Heat expanding steel tube | / | ±15% | |
2.Wall thickness tolerance of Cold Drawn(Cold Rolled) steel tube:
| Production Method | WT | Tolerance |
| Cold Drawn(Cold Rolled) steel tube | ≤3 | +15%/-10% or ±0.40mm |
| ＞3 | +12.5% -10% |
Bending tolerance:
WT≤15mm, Bending≤1.5mm/m
WT＞15mm~30mm, Bending≤2.0mm/m
WT＞30mm/OD≥351mm, Bending≤3.0mm/m
Ovality and Wall unevenness:
The ovality and wall unevenness should be no more than 80% of the OD and wall thickness.(Or according to customer`s request)
Characteristic:
mechanical property
| Steel Grade | Tensile strength Rm N/mm2(MPa) | Yield Strength Rp0.2 N/mm2(MPa) | Elongation A % | |||
| Wall Thickness | ||||||
| ≤16mm | ＞16~30mm | ＞30mm | ||||
| 10 | ≥335 | ≥205 | ≥195 | ≥185 | ≥24 | |
| 15 | ≥375 | ≥225 | ≥215 | ≥205 | ≥22 | |
| 20 | ≥410 | ≥245 | ≥235 | ≥225 | ≥20 | |
| 25 | ≥450 | ≥275 | ≥265 | ≥255 | ≥18 | |
| 35 | ≥510 | ≥305 | ≥295 | ≥285 | ≥17 | |
| 45 | ≥590 | ≥335 | ≥325 | ≥315 | ≥14 | |
| 20Mn | ≥450 | ≥275 | ≥265 | ≥255 | ≥20 | |
| 25Mn | ≥490 | ≥295 | ≥285 | ≥275 | ≥18 | |
| Q235 | A | 375~500 | ≥235 | ≥225 | ≥215 | ≥25 |
| B | ||||||
| C | ||||||
| D | ||||||
| Q275 | A | 415~540 | ≥275 | ≥265 | ≥255 | ≥22 |
| B | ||||||
| C | ||||||
| D | ||||||
| Q295 | A | 390~570 | ≥295 | ≥275 | ≥255 | ≥22 |
| B | ||||||
| Q345 | A | 470~630 | ≥345 | ≥325 | ≥295 | ≥20 |
| B | ||||||
| C | ≥21 | |||||
| D | ||||||
| E | ||||||
| Q390 | A | 490~650 | ≥390 | ≥370 | ≥350 | ≥18 |
| B | ||||||
| C | ≥19 | |||||
| D | ||||||
| E | ||||||
| Q420 | A | 520~680 | ≥420 | ≥400 | ≥380 | ≥18 |
| B | ||||||
| C | ≥19 | |||||
| D | ||||||
| E | ||||||
| Q460 | C | 550~720 | ≥460 | ≥440 | ≥420 | ≥17 |
| D | ||||||
| E | ||||||
Test:
Processing:Hot rolling(extrude expanding) or cold drawn(rolling)
Technical Delivery Conditions:Hot rollling or heat-tretment
Widely used in the field of:For genenal liquid transporting service
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.
Product Images:
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, and it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but you need to 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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
25000000-30000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
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