TORICH INTERNATIONAL LIMITED
| Payment Terms | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability | 30000tons/year |
| Delivery Time | 30-45work days |
| Packaging Details | In plywood case,In wooden box. |
| Product name | GB/T9808 ZT380 Good OD and ID tolerance Seamless Steel Tubes |
| Keyword | Seamless Steel Tubes |
| Type | Seamless Steel Tube |
| Surface | Oiled |
| Material | 30CrMo ZT380 |
| Usage | Oil Pipe |
| Shape | Round |
| Length | 2-12m |
| OD | 30-340mm |
| WT | 2-30mm |
| Brand Name | TORICH |
| Model Number | GB/T9808 |
| 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, MoneyGram | Supply Ability | 30000tons/year |
| Delivery Time | 30-45work days | Packaging Details | In plywood case,In wooden box. |
| Product name | GB/T9808 ZT380 Good OD and ID tolerance Seamless Steel Tubes | Keyword | Seamless Steel Tubes |
| Type | Seamless Steel Tube | Surface | Oiled |
| Material | 30CrMo ZT380 | Usage | Oil Pipe |
| Shape | Round | Length | 2-12m |
| OD | 30-340mm | WT | 2-30mm |
| Brand Name | TORICH | Model Number | GB/T9808 |
| Certification | ISO9001 ISO14001 | Place of Origin | CHINA |
| High Light | precision steel pipe ，precision seamless pipe | ||
GB/T9808 ZT380 Good OD and ID tolerance Seamless Steel Tubes
Size:
OD:33-340mm WT:2-28mm L:4000mm-12500mm
Steel Grade:
ZT380,ZT490,ZT520,ZT540,ZT590,ZT640,ZT740
The Production method:
Hot rolling(extrusion) or cold drawing(rolling) seamless method.
Delivery State:
Hot rolling(extrusion)steel tubes should be delivered with hot rolling condition or hot finished.Cold drawn(rolling) steel tubes should be delivered with hot finished.
Surface quality
There is no visual visible cracks,rolling, folding,scarring and abscission layer in the internal and external surfaces of the steel pipe.
Test:
Tensile tast
Ultrasonic inspection
Eddy current inspection
Magnetic flux leakage inspection
Tolerance of Outer Diameter and Wall Thickness
| Standard | Production Method | Tube Size | Tolerance | |
| GB/T 9808-2008 | Hot rolled | OD | (+1.0%D) or +0.65 (-0.5%D) -0.35 | |
| WT | ≤10 | (+15%S)or +0.45 (-10%S) -0.35 | ||
| >10 | (+12.5%S, -10%S) | |||
| Cold Drawn(rolled) | OD | ±0.50%D or ±0.20 | ||
| WT | ±8%S or ±0.15 | |||
| Q(N)/ T118-2010 | Cold Drawn | OD | OD | ±0.40%D or ±0.20 |
| WT | WT | ±7%S or ±0.15 | ||
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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