ASTM A519 GRADE 1045 including hot Finished Seamless Tubing and
cold finished tubing. The outer diameter tube sizes 10mm-323.8mm
and Nominal bore NB sizes 10NB-300NB.
ASTM A519 covers several grades of carbon and alloy steel seamless
mechanical tubing.
ASTM A519 covers both seamless hot-finished mechanical tubing and
seamless cold-finished mechanical tubing in sizes up to and
including 12 3⁄4 in. (323.8 mm) outside diameter for round tubes
with wall thicknesses as required.
Standard: ASTM A519 / ASME SA 519
Description Name: ASME SA519 / ASTM A519 GR.1045 boiler pipes, A519
pipes, Grade 1045 ASTM A519 carbon steel tube, ASTM A519 GR. 1045
mechanical pipes, ASTM A 519 GR.1045 carbon steel pipe, Grade 1045
SEAMLESS PIPE, ASTM A519 Grade 1045 cold drawn seamless steel
tubes, ASTM A519 Gr.1045 pipes and tubing, ASTM A519 SAE1045
seamless tubing, alloy steel tube, carbon steel tube, mechanical
tubing, Seamless steel tube, steel tube.
- Size: 10mm-323.8mm
- Schedule: 10-XXS / Thk
- Shape: Round or Special sections.
- Length: Single random length/ Double random length or as customer’s
actual request
- Grade: SAE 1045 / GRADE 1045 / AISI 1045
- Condition: The purchaser shall specify a sizing method and, if
required, a thermal treatment.
Sizing Methods:
- HF-Hot Finished,
- CW-Cold worked,
- RT-Rough Turned,
- G– Ground.
Thermal Treatments:
- A-Annealed,
- N– Normalized,
- QT-Quenched and Tempered,
- SR-Stress Relieved or Finished Anneal.
ASTM A519 SAE1035 seamless tubing Chemical Composition (%):
| Grade | C | Mn | P≤ | S≤ |
| 1045 | 0.43-0.50 | 0.60-0.90 | 0.040 | 0.050 |
Outside Diameter Tolerances for Round Hot-Finished Tubing:
| Outside Diameter Tolerances for Round Hot-Finished Tubing A, B, C |
Outside Diameter Size Range,
In.(mm) | Outside Diameter Tolerance, in. (mm) |
| Over (+) | Under (-) |
| up to 2.999 (76.17) | 0.020 (0.51) | 0.020 (0.51) |
| 3.000-4.499 (76.20-114.27) | 0.025 (0.64) | 0.025 (0.64) |
| 4.500–5.999 (114.30–152.37) | 0.031 (0.79) | 0.031 (0.79) |
| 6.000–7.499 (152.40–190.47) | 0.037 (0.94) | 0.037 (0.94) |
| 7.500–8.999 (190.50–228.57) | 0.045 (1.14) | 0.045 (1.14) |
| 9.000–10.750 (228.60–273.05) | 0.050 (1.27) | 0.050 (1.27) |
A. Diameter tolerances are not applicable to normalized and
tempered or quenched and tempered conditions.
B. The common range of sizes of hot finished tubes is 11⁄2 in.
(38.1 mm) to 103⁄4 in. (273.0 mm) outside diameter with wall
thickness at least 3 % or more of outside diameter, but not less
than 0.095 in. (2.41 mm). C. Larger sizes are available, consult manufacturer for sizes and
tolerances. |
Wall Thickness Tolerances for round Hot-Finished Tubing:
| Wall Thickness Tolerances for Round Hot-Finished Tubing |
| Wall Thickness Range as Percent of Outside Diameter | Wall Thickness Tolerance, percent Over
A and Under Nominal |
| Outside Diameter 2.999 in. (76.19 mm) and smaller | Outside Diameter 3.000 in. (76.20 mm) to 5.999 in. (152.37 mm) | Outside Diameter 6.000 in. (152.40 mm) to 10.750 in. (273.05 mm) |
| Under 15 | 12.5 | 10 | 10 |
| 15 and over | 10 | 7.5 | 10 |
A Wall thickness tolerance may not be applicable to walls 0.199 in.
(5.05 mm).
and less, consult manufacturer for wall tolerances on such tube
sizes. |
Wall Thickness Tolerances for Cold Finished Tubing:
| Wall Thickness Tolerances for Cold Finished Tubing |
| Wall Thickness S/ Outside Diameter D (%) | Wall Thickness Tolerance (±%) |
| Inside Diameter D<38.1mm | Inside Diameter >=38.1 |
| <=25% | 10.0 | 7.5 |
| >25% | 12.5 | 10.0 |
Mechanical Test Requirements:
Hardness Test, Tension Tests, Nondestructive tests, Steel
Cleanliness, Hardenability, Flaring Test.
Note:
- Mill test certificates will be issued according to EN10204.1
- All tubes shall be supplied as per applicable ASTM A519
Specification.
- The tubes Shall be Seamless and the test Methods and Definitions
for mechanical Testing of Steel Products.
- Orders for material under A519 should include the Quantity (Feet,
weight, or number of pieces), Name of material (seamless carbon or
alloy steel mechanical tubing), Form (round, square, rectangular or
special shapes).
- Orders for material under A519 should provide delivery condition
(A, N, QT, SR).
Packing and Marking:
- Packed in bundles, wrapped in plastic, and suitably protected for
sea-worthily delivery or as requested.
- Marking should according to MIL-STD-129 for Military agencies and
in accordance with Fed. Std. No.123 for civil agencies including
not limited: Standard, graded, size, heat no. lot no.
FAQ
Q1: What's your terms of payment?
A: 30%T/T as the upfront deposit, 70% before delivery, We will show
you the photos and package before you pay the balance.
Q2: What's the terms of delivery?
A: EXW, FOB, CFR, CIF
Q3: What's the terms of packing?
A: Generally,we pack our goods in bundles or coils with rods or
belts, we could also pack the goods as the customers' requirement.
Q4: What's your delivery time?
A: For stocks, we could transport the goods to loading port within
7 work days after we received the deposit.For productionperiod, it
usually takes about 15 days to 30 days after we received the
deposit.
Q5: Could you produce according to the samples?
A: Yes, we can customer-made by your samples or technique drawings,
we can build the mold and fixtures.
Q6: Could youprovide the compliment samples?
A: Yes, we could provide the free samples on condition that it is
available in stocks, however,the transportation fee is borne by
buyer.
Q7: How could you guarantee your products quality?
A: Each piece of products is manufactured by certified workshops,
inspected by us piece by piece according to national QA/QC
standard. We also could issue the warranty to customer to guarantee
the quality.
Q8:What are the advantages of your company?
A:(1): Prime quality and reasonable price.
(2): Wide excellent experiences with after-sale service.
(3): Every process will be checked by responsible QC which insures
every product's quality.
(4): Professional packing teams which keep every packing safely.
(5): Trial order can be done in one week.
(6): Samples can be provided as your requirements.
