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Help CenterASTM A519 Seamless Steel Tube/Pipe For Automotive Tubing Parts
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Hebei province gold mysterious pipe co.,ltd is one of the key manufacturer of seamless steel pipe of China,products include common seamless steel pipe,cold-drawing pipe,cold-rolling pipe and special shape pipes.
ASTM A519 seamless steel tube/pipe for automotive tubing parts
Standard: ASTM A519-06
Scope: Covers several grades of carbon and alloy steel seamless mechanical tubing.
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 |
5120 |
0.17-0.22 | 0.70-0.90 | 0.035 | 0.040 | 0.15-0.35 | 0.70-0.90 | - |
5140 |
0.38-0.43 | 0.70-0.90 | 0.035 | 0.040 | 0.15-0.35 | 0.70-0.90 |
| 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 | HR | 90 | 621 | 70 | 483 | 20 | 89 |
| SR | 105 | 724 | 85 | 586 | 10 | 95 | |
| A | 75 | 517 | 55 | 379 | 30 | 81 | |
| N | 90 | 621 | 60 | 414 | 20 | 89 | |
| 4140 | HR | 120 | 855 | 90 | 310 | 15 | 100 |
| 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:
HR----Hot Rolled------NOT AVAILABLE
CW----Cold Worked
SR----Stress Relieved
A----Annealed
N----Normalized
Test equipment:
Test: Chemical Component Analysis/direct-reading spectrometer machine inspection, Mechanical Properties (Ultimate tensile strength, Yield
strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test,
Blow Test, Impact Test etc), Exterior Size Inspection, Nondestructive Test (Ultrasonic flaw detector, Eddy
current flaw detector), Hydrostatic Test.
Production process:
Step1 material Step 2 perforate Step 3 pickling
Step 4 cold-drawn Step 5 anneal Step 6 check
Common pipe:
OD:8mm-80mm
WT:1mm-14mm
Standard: ASTM,DIN,JIS,BS,GOST
Advantage: High quality & competitive price
Thermal Treatment: Annealed or Normalized ,as per relevant standards.
Surface coating:varnish painted on pipe(black painting),anti-corrosion oil,galvanized,or painting as
customer's request
Special shape pipe:
Round square,rectangular,hexagonal,lemon,triangle,oval and special shape pipes. Your drawing or sample are welcomed.
Standard:
ASTM specifications seamless steel pipes:
--ASTM A179 specification for seamless cold-drawn low-carbon steel heat-exchanger and condenser tubes
--ASTM A 519 seamless carbon and alloy steel for mechanical tubing
--ASTN A 556 seamless cold-drawn carbon steel feedwater heater tubes
DIN specifications seamless steel pipes:
--DIN 17175 seamless steel tube for elevated temperature
Material: St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44
--DIN 2391 cold drawn seamless precision pipes
Material: St35, St45, St52
--DIN 2393 seamless steel pipes for structural purpose
Material: Rst34-2, Rst37-2, RSt44-2, St52
** 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
** What is your payment term?
Payment is 30% deposit, 70% before shipment
** Does the sample for free or not?
The samples are free if they are common sizes, You need to pay for the freight .
** 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.
** 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
**How about the Third Party Inspection ?
We have been working with DNV,TUV,SGS,BV,CO,Lloyd's etc;
Your inquiry will be highly appreciated !
Please contact me without any hesitation if you have any problems of our products !
Email:market at
SKYPE:jinaoguanye3
Website:
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