1541G105 S135 Thread Types Coupling Drill Steel Pipe DZ60 DZ50
Contact Person : Richard SHEN
Phone Number : +86-13736164628
WhatsApp : +8613736164628
| Minimum Order Quantity : | 3ton | Price : | 800-1200USD/TON |
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| Packaging Details : | In plywood case,In wooden box. | Delivery Time : | 30-45work days |
| Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram | Supply Ability : | 30000tons/year |
| Place of Origin: | CHINA | Brand Name: | TORICH |
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| Certification: | ISO9001 ISO14001 | Model Number: | GB/T9808 |
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Detail Information |
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| Product Name: | GB/T9808 ZT380 Good OD And ID Tolerance Seamless Steel Tubes | Keyword: | Seamless Steel Tubes |
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| Type: | Seamless Steel Tube | Surface: | Oiled |
| Material: | 30CrMo ZT380 | Usage: | Oil Pipe |
| Shape: | Round | Length: | 2-12m |
| OD: | 30-340mm | WT: | 2-30mm |
| High Light: | precision steel pipe,precision seamless pipe |
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Product Description
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 |
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| WT | ≤10 | (+15%S)or +0.45 (-10%S) -0.35 |
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| >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 |
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Enter Your Message
| TORICH INTERNATIONAL LIMITED |
| Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China |
| 86-574-88086983 |
| sales@steel-tubes.com |