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ASTM A519/A519M

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.

Size range(mm):

Out diameter:10-324mm
Wall Thickness:1-30mm
Length:14000mm max

Outside Diameter Tolerances for Round Hot-Finished Tubing A, B, C
Outside Diameter Size Range,	Outside Diameter Tolerance, in. (mm)
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)

Grade:

ASTM A519 Tubing, Seamless Tubing, AISI 4130 Tube, Seamless Tube, 1008, 1010, 1012, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1025, 1026, 1030, 1035, 1040, 1045, 1050, 1518, 1524, 1541, ASTM A519 4130, ASTM A519 4140

Chemical Requirements of Low-Carbon Steels

Grade Designation	Chemical Composition Limits, %
Grade Designation	CarbonA	ManganeseB	Phosphorous,B max	Sulfur,B max

MT 1010	0.05–0.15	0.30–0.60	0.040	0.050
MT 1015	0.10–0.20	0.30–0.60	0.040	0.050
MT X 1015	0.10–0.20	0.60–0.90	0.040	0.050
MT 1020	0.15–0.25	0.30–0.60	0.040	0.050
MT X 1020	0.15–0.25	0.70–1.00	0.040	0.050

(A) Limits apply to heat and product analyses.

(B) Limits apply to heat analysis; except as required by 6.1, product analyses are subject to the applicable additional tolerances given in Table 5.

Chemical Requirements of Other Carbon Steels

Grade Designation	Chemical Composition Limits, %A
Grade Designation	Carbon	Manganese	Phosphorous, max	Sulfur, max

1008	0.10 max	0.30–0.50	0.040	0.050
1010	0.08–0.13	0.30–0.60	0.040	0.050
1012	0.10–0.15	0.30–0.60	0.040	0.050
1015	0.13–0.18	0.30–0.60	0.040	0.050
1016	0.13–0.18	0.60–0.90	0.040	0.050
1017	0.15–0.20	0.30–0.60	0.040	0.050
1018	0.15–0.20	0.60–0.90	0.040	0.050
1019	0.15–0.20	0.70–1.00	0.040	0.050
1020	0.18–0.23	0.30–0.60	0.040	0.050
1021	0.18–0.23	0.60–0.90	0.040	0.050
1022	0.18–0.23	0.70–1.00	0.040	0.050
1025	0.22–0.28	0.30–0.60	0.040	0.050
1026	0.22–0.28	0.60–0.90	0.040	0.050
1030	0.28–0.34	0.60–0.90	0.040	0.050
1035	0.32–0.38	0.60–0.90	0.040	0.050
1040	0.37–0.44	0.60–0.90	0.040	0.050
1045	0.43–0.50	0.60–0.90	0.040	0.050
1050	0.48–0.55	0.60–0.90	0.040	0.050
1518	0.15–0.21	1.10–1.40	0.040	0.050
1524	0.19–0.25	1.35–1.65	0.040	0.050
1541	0.36–0.44	1.35–1.65	0.040	0.050

ASTM A571/A571M

ASTM A501/A501M

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