TORICH INTERNATIONAL LIMITED
| Standard | GB, GB/T 8162 |
| Standard2 | GB/T 8162-1999 |
| Grade Group | 10#-45#, Cr-Mo alloy, Q195-Q345 |
| Grade | 20#, 45#, 30CrMo, Q345 |
| Thickness | 0.4 - 30 mm |
| Section Shape | Round |
| Outer Diameter(Round) | 5 - 400 mm |
| Secondary Or Not | Non-secondary |
| Application | Structure Pipe |
| Technique | Cold Drawn |
| Surface Treatment | Other |
| Special Pipe | Structural Steel Tube |
| Alloy Or Not | Non-alloy |
| Product name | Structural Steel Tube |
| OD | 5-400mm |
| WT | 0.4-30mm |
| Length | 1-12m |
| Material | #25 |
| Shape | Round Shape |
| Place of Origin | Zhejiang, China (Mainland) |
| Certification | ISO9001, ISO14001, TS16949 |
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Product Specification
| Standard | GB, GB/T 8162 | Standard2 | GB/T 8162-1999 |
| Grade Group | 10#-45#, Cr-Mo alloy, Q195-Q345 | Grade | 20#, 45#, 30CrMo, Q345 |
| Thickness | 0.4 - 30 mm | Section Shape | Round |
| Outer Diameter(Round) | 5 - 400 mm | Secondary Or Not | Non-secondary |
| Application | Structure Pipe | Technique | Cold Drawn |
| Surface Treatment | Other | Special Pipe | Structural Steel Tube |
| Alloy Or Not | Non-alloy | Product name | Structural Steel Tube |
| OD | 5-400mm | WT | 0.4-30mm |
| Length | 1-12m | Material | #25 |
| Shape | Round Shape | Place of Origin | Zhejiang, China (Mainland) |
| Certification | ISO9001, ISO14001, TS16949 | ||
| High Light | hollow structural steel pipe ，hot dip galvanized steel pipe | ||
16mm - 30mm Steel Grade 25 Hot Rolled / Cold Drawn Seamless Tube Structural Steel Pipes
GB/T8162 Structural Seamless Steel Tube with Steel Grade 20 45 Q345 20Cr 40Cr 20CrMo 30-35CrMo 42CrM
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% |
Mechanical Property:
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)
Test:
Bending test
Hardness test
Impact test
Squeezing test
Non-destructive test
| Product Name | Steel Grade 25 Structural Steel Tubing Hot Rolled / Cold Drawn 16mm - 30mm |
| Material | alloy steel |
| Section Shape | Round |
| Standard | GB/T8162 |
| Grade | 20 45 Q345 20Cr 40Cr 20CrMo 30-35CrMo 42CrM |
| Brade | Torich |
A: We are factory.
A: It is according to quantity. And usually is 35-50 days after receiving 30% T/T in advance.
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.
A:
1.T/T: 30% deposit in advance, the balance 70% paid before shipment
2.30% down payment, the balance 70% paid against L/C at sightCompany Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company,Seller
Year Established:
1997
Total Annual:
10million-15million
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Who We are ？ TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters The main products produced are carbon steel and alloy steel grade seamless steel pipes, we... Who We are ？ TORICH is an enterprise that has been producing precision steel pipes and steel pipe processing for over 20 years, with a factory area of approximately 20000 square meters The main products produced are carbon steel and alloy steel grade seamless steel pipes, we...
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