TORICH GB/T9808 ZT380,ZT490,ZT520 Seamless Steel Tubes for Drilling
TORICH GB/T9808 ZT380,ZT490,ZT520 Seamless Steel Tubes for Drilling
Standard: GB/T9808, GB/T222, GB/T223, GB/T228, GB/T2102, GB/T2975, GB/T4336, GB/T5777, GB/T7735, GB/T12606, GB/T17395, GB/T20066, GB/T20123
Size range: OD: 33-350mm
WT: 4.5-30mm
Length: 12.5m
Material: ZT380, ZT490, ZT520, ZT540, ZT590, ZT640, ZT740
Usage: Drilling Pipe
Mechanical Property:
| Item | Grade | Tensile Strength Mpa | Specify non-proportional Extension Strength Mpa | Elongation % |
| Min |
| 1 | ZT380 | 640 | 380 | 14 |
| 2 | ZT490 | 690 | 490 | 12 |
| 3 | ZT520 | 780 | 520 | 15 |
| 4 | ZT540 | 740 | 540 | 12 |
| 5 | ZT590 | 770 | 590 | 12 |
| 6 | ZT640 | 790 | 640 | 12 |
| 7 | ZT740 | 840 | 740 | 10 |
Test:
Tension Test; Ultrasonic Test
Eddy Current Test; Magnetic Flux Leakage Test
Characteristic:
Good concentricity High Precision
Good surface quality Stable quality
Good OD and ID tolerance Smooth Roughness
TORICH QUALITY ASSURANCE
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
TORICH GB/T9808 ZT380,ZT490,ZT520 Seamless Steel Tubes for Drilling
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