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Hebei Province Gold Mysterious Pipe Co.,Ltd is a professional manufacturer of all kinds of seamless steel pipe,products include common seamless steel pipes,cold-drawing pipes,finish-rolling pipes,alloy steel pipes and special shape pipes in thickness between 1mm-12mm,outer diameter between 8mm-80mm.
Good Quality Best Price Seamless Steel Pipe Normal Carbon Steel
Normal Chinese carbon steel material
Scope: Covers several grades of carbon and alloy steel seamless mechanical tubing. This specification covers both seamless cold-drawing mechanical tubing and seamless cold-rolling mechanical tubing.
Size Range: Covers tubes in size up to and including 80mm outside diameter for round tubes with wall thicknesses 1mm-12mm
Shape: The tubes shall be fanished in the following shapes, as specified by the purchaser: round, square,rectangular,hexagonal and special sections.
Marking: as per customer's requirement,your drawing or sample are welcomed.
Dimensions, Mechanical properties, Chemical compositions:
Refer to relative standard as per clients requirements
Packing :Bundles, seaworthy packing;Plastic caps at ends;as per customer's requirements.
Chemical Composition& Mechanical Properties(Type S-Seamless Pipe)
| Grade | C | Mn | P≤ | S≤ | Si | Cr''≤ | Cu"≤ | Mo"≤ | Ni"≤ | V"≤ |
| 10 | 0.07-0.13 | 0.35-0.65 | 0.035 | 0.035 | 0.17-0.37 | 0.15 | 0.25 | - | 0.30 | - |
| 20 | 0.17-0.23 | 0.35-0.65 | 0.035 | 0.035 | 0.10 | 0.25 | 0.25 | - | 0.30 | - |
| 35 | 0.32-0.40 | 0.35-0.65 | 0.035 | 0.035 | 0.10 | 0.25 |
0.25 | - | 0.30 | - |
| 45 | 0.042-0.50 | 0.50-0.80 | 0.035 |
0.035 | 0.17-0.37 | 0.25 |
0.25 | 0.30 |
"The total composition for these five elements shall not exceed 1.00%.
| Grade | Rm Mpa Yeild Strength | Mpa Tensile strength |
Elongation | Delivery Condition |
| 10 | ≥205
|
≥335
|
24 | Annealed |
| 20 | ≥245 | ≥410 | 20 | Annealed |
| 35 | ≥305 | ≥510 | 17 | Annealed |
| 45 | ≥335 | ≥590 | 14 | Annealed |
Dimensional Tolerances:
| Pipe Type | Pipe Sizes | Tolerances | |
| Cold Drawn | OD | ≤48.3mm | ±0.40mm |
| ≥60.3mm | ±1%mm | ||
| WT | ±12.5% | ||
We can do OD +/-0.02MM
Best service!Excellent products! Competitive price! And Quick delivery !
Our company specializes in production of various seamless steel pipes
for 6 years, Our products are widely used in big projects domestic and abroad!
Equipment contain:
1 set of Φ 50 enhanced automatic peforating equipment/1 set of Φ 40 automatic peforating equipment
2 sets 10 tons chain cold-drawn machine/2 sets 15 tons chain cold-drawn machine
4 sets 20 tons chain cold-drawn machine/1 sets 45 tons chain cold-drawn machine
1 sets 65 tons chain cold-drawn machine/8 sets of LG30 type 2 roller cold-rolling mill
4 sets of LG40 type 2 roller cold-rolling mill/1 sets of LG50 2 roller cold-rolling mill
2 sets of LG60 type 3 roller cold-rolling mill/1 sets of LG50 3 roller cold-rolling mill
1 set roller type continuously heat treatment furnace
3 sets of GJ Φ 6mm-80mm pipe straightening machine
1.About the special pipe, we will make it by the customers requirement.
2.you can offer the sample or drawing that we can refer to.
The pipes are widely used for the auto/motorcycle/agricultural machine/railway project/low-high pressure boiler tubes/bearing tubes/ships manufacturing industries/oil and other high standards & demand processing & manufacturing industries.
** How long will it take to produce an order?
It is within 30days for the purchasing and production time with container order and 10days for the sample.
** What is your minimum order?
Usually 5 ton for each size
** What form of quotation do you offer?
FOB Tianjin, CIF and CNF Your destination
** Does the sample for free or not?
The samples are free if they are common sizes, You need to pay for the freight .
Any of your questions will be ansered within 24 hours! Welcome to inquiry!
Send Inquiry to This Supplier
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