TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, |
| Supply Ability | 50000Tons/Year |
| Delivery Time | 30-45Wrok Days |
| Packaging Details | Factory Direct Sale GB/T8162 Q235 Carbon Seamless Steel Pipe,In plywood case,In wooden box. |
| Product name | Factory Direct Sale GB/T8162 Q235 Carbon Seamless Steel Pipe |
| Keyword | Seamless Steel Pipe |
| Type | Seamless Steel Pipe |
| Surface | Oiled |
| Material | Q345 10# 20# |
| Usage | Fluid Pipe |
| Shape | Round |
| Length | 3-12.5m |
| OD | 4-1200mm |
| WT | 0.5-200mm |
| Brand Name | TORICH |
| Model Number | GB/T8162 |
| Certification | ISO9001 ISO14001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, | Supply Ability | 50000Tons/Year |
| Delivery Time | 30-45Wrok Days | Packaging Details | Factory Direct Sale GB/T8162 Q235 Carbon Seamless Steel Pipe,In plywood case,In wooden box. |
| Product name | Factory Direct Sale GB/T8162 Q235 Carbon Seamless Steel Pipe | Keyword | Seamless Steel Pipe |
| Type | Seamless Steel Pipe | Surface | Oiled |
| Material | Q345 10# 20# | Usage | Fluid Pipe |
| Shape | Round | Length | 3-12.5m |
| OD | 4-1200mm | WT | 0.5-200mm |
| Brand Name | TORICH | Model Number | GB/T8162 |
| Certification | ISO9001 ISO14001 | Place of Origin | China |
| High Light | precision steel pipe ，precision pipes and tubes | ||
Steel Grade/Steel Material: Q345 Q195 10# 20#
Steel pipe standard:GB/8162
Characteristic:
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
Production Processs:
RAW MATERIAL
↓
INCOMING INSPECTION
↓
STORAGE → CUTTING→HAMMERING → PICKING LUBRICATION → CLEANING → PHOSPHORI CLEAN
↓
ENDS CUTTING←STRAIGHTENING←HEAT TREATMENT↔MIDDLLE CHECK↔ COLD DRAWING ← LUBRICATING ↓
FINAL INSPECTION→BUNDING→STORAGE
Heat Treatment: Hot Rolling & Cold Drawn
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)
Mechanical Properties:
| 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 | ||||||
A: A professional steel pipes materials inventor, manufacturer and solution provider
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.
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
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
Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat... Company Overview A Professional Steel Tube Manufacturer and Solution Provider TORICH INTERNATIONAL LIMITED integrates steel tube manufacturing, international trade, warehousing, technical support and customized processing. Our manufacturing operations cover cold drawing, cold rolling, heat treat...
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