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Hebei province gold mysterious pipe co.,ltd is a professional seamless steel pipe manufacturer.Products include common seamless steel pipe,cold-drawing pipe,cold-rolling pipe and special shape pipes.
ASTM A519 AISI 4140 Seamless Mechanical Tubing/Tube
Standard: ASTM A519-06
Scope: Covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Table-1. This specification covers both seamless hot-finished mechanical tubing and seamless cold-finished mechanical tubing.
Size Range: Covers tubes in size up to and including 3.15''4(80mm) outside diameter for round tubes with wall thicknesses as required.
Shape: The tubes shall be furnished in the following shapes, as specified by the purchaser: round, square,rectangular and special sections.
Chemical Composition& Mechanical Properties(Type: Cold Drawn Seamless Mechanical/CDS)
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| 1008 | ≤0.10 | 0.30-0.50 | 0.040 | 0.050 | - | - | - |
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1018 | 0.15-0.20 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1025 | 0.22-0.28 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1035 | 0.32-0.38 | 0.60-0.90 | 0.040 | 0.050 | |||
| 1045 | 0.43-0.50 | 0.60-0.90 | 0.040 | 0.050 | |||
| 1026 | 0.22-0.28 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
4140 |
0.38-0.43 | 0.75-1.00 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| Grade | Condition | Ultimate Strength | Yield Strength | Elongation | Rockwell Hardness | ||
| Ksi | Mpa | Ksi | Mpa | % | B scale | ||
| 1020 | HR | 50 | 345 | 32 | 221 | 25 | 55 |
| CW | 70 | 483 | 60 | 414 | 5 | 75 | |
| SR | 65 | 448 | 50 | 345 | 10 | 72 | |
| A | 48 | 331 | 28 | 193 | 30 | 50 | |
| N | 55 | 379 | 34 | 234 | 22 | 60 | |
| 1025 | HR | 55 | 379 | 35 | 241 | 25 | 60 |
| CW | 75 | 517 | 65 | 448 | 5 | 80 | |
| SR | 70 | 483 | 55 | 379 | 8 | 75 | |
| A | 53 | 365 | 30 | 207 | 25 | 57 | |
| N | 55 | 379 | 36 | 248 | 22 | 60 | |
| 1035 | HR | 65 | 448 | 40 | 276 | 20 | 72 |
| CW | 85 | 586 | 75 | 517 | 5 | 88 | |
| SR | 75 | 517 | 65 | 448 | 8 | 80 | |
| A | 60 | 414 | 33 | 228 | 25 | 67 | |
| N | 65 | 448 | 40 | 276 | 20 | 72 | |
| 1045 | HR | 75 | 517 | 45 | 310 | 15 | 80 |
| CW | 90 | 621 | 80 | 552 | 5 | 90 | |
| SR | 80 | 552 | 70 | 483 | 8 | 85 | |
| A | 65 | 448 | 35 | 241 | 20 | 72 | |
| N | 75 | 517 | 48 | 331 | 15 | 80 | |
| 4130 | SR | 105 | 724 | 85 | 586 | 10 | 95 |
| A | 75 | 517 | 55 | 379 | 30 | 81 | |
| N | 90 | 621 | 60 | 414 | 20 | 89 | |
| 4140 | SR | 120 | 855 | 100 | 689 | 10 | 100 |
| A | 80 | 552 | 60 | 414 | 25 | 85 | |
| N | 120 | 855 | 90 | 621 | 20 | 100 | |
Please note the meaning of below abbreviation in table 2:
CW----Cold Worked
SR----Stress Relieved
A----Annealed
N----Normalized
Production process:
Common pipe:
OD:8mm-80mm
WT:1mm-12mm
Standard: ASTM,DIN,JIS,BS,GOST,ETC
Advantage: High quality & competitive price
Special shape pipe:
We can produce square,rectangular,hexagonal,lemon,triangle,oval etc pipes.And can make special shape according to your drawing or sample.
Usage:
The pipes are widely used for the auto/motorcycle/agricultural machine/railway project/low-high pressure boiler tubes/oil and other high standards & demand processing & manufacturing industries.
1. 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.
2. What is your minimum order?
Usually 5 ton for each size, please contact us when you are trying to purchase less than container load
3. What form of quotation do you offer?
FOB Tianjin, CIF and CNF Your destination
4. What is your payment term?
Payment is 30% deposit, 70% before shipment .
5. Does the sample for free or not?
The samples are free if they are common sizes, You need to pay for the freight .
6. How do you guarantee the quality of the products?
All of our procedures are strictly operated under the ISO 9001:2008, and there are as many as 6 times of test during the production of each product to ensure the quality.
7. How do you to package the product?
Wrapped with polywoven bags, we use steel belt to pack the outside, polywooden cases or wooden boxes for thin wall thickness can be offered if required
8.How about the Third Party Inspection ?
We have been working with DNV,TUV,SGS,BV,CO,Lloyd's etc;
More Information,Chat now!!!!
Send Inquiry to This Supplier
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