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ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

Standard: ASTM A519/ASME SA519
Product origin: China
Availability: Stock
Material/Grade: Grade 1008, Grade1018, Grade 1020, Grade 1025, Grade 1035, Grade 1045, Grade 1050,Grade 1118,Grade 1137,Grade 4130,Grade 4140.

ASTM A519 covers several grades of carbon and alloy steel seamless mechanical tubing. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the component

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ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing

Standard:ASTM A519

ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing

This specification covers several grades of carbon and alloy steel seamless mechanical tubing. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the components, and the intended service.

ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing Quick Details

Company Name: Beite steel pipe

Country/Region: China

Material：Grade 1008, Grade1018, Grade 1020, Grade 1025, Grade 1035, Grade 1045, Grade 1050,Grade 1118,Grade 1137,Grade 4130,Grade 4140.

FOB Price: US $1400-2000 / Ton | 1 Ton/Tons (Min. Order)

Port of Shipment：Tianjin,China

Payment：L/C or T/T

Delivery: 7-15 days after payment

Package：Standard export package,suit for all kinds of transport, or as required

ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing Dimensional Range & Specification

Outside Diameter：15.9mm——323.8mm

Wall thickness：3.5mm——12.7mm

Length：6000mm、12000m or specified length as required.

Main Grades:

Grade 1008, Grade1018, Grade 1020, Grade 1025, Grade 1035, Grade 1045, Grade 1050,Grade 1118,Grade 1137,Grade 4130,Grade 4140.

Materials and Manufacture

The steel may be made by any process.

Steel may be cast in ingots or may be strand cast. When steel of different grades is sequentially strand cast, identification of the resultant transition material is required. The producer shall remove the transition material by an established procedure that positively separates the grades.

Tubes shall be made by a seamless process and shall be either hot finished or cold finished, as specified.

Chemical composition of ASTM A519

Chemical Requirements of Carbon Steels

Grade Designation	Chemical Composition Limits, %
Grade Designation	Carbon	Manganese	Phosphorus,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
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
1026	0.22–0.28	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

Chemical Requirements of Resulfurized or Rephosphorized, or Both, Carbon Steels

Grade Designation	Chemical Composition Limits, %
Grade Designation	Carbon	Manganese	Phosphorus	Sulfur	Lead
1118	0.14–0.20	1.30–1.60	0.040 max	0.08–0.13	/
1137	0.32–0.39	1.35–1.65	0.040 max	0.08–0.13	/

Chemical Requirements for Alloy Steels

Grade Designation	Chemical Composition Limits, %
Grade Designation	Carbon	Manganese	Phosphorus, C max	Sulfur, C,D max	Silicon	Nickel	Chromium	Molybdenum
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
4135	0.32–0.39	0.65–0.95	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
4145	0.43–0.48	0.75–1.00	0.040	0.040	0.15–0.35	...	0.80–1.10	0.15–0.25

Samples for chemical analysis, except for spectrochemical analysis, shall be taken in accordance with Practice E 59.

Mechanical properties of ASTM A519

Grade Designation	Condition	Tenslle Strength,		Yield Strength,		Elongationin 2 in. or 50 mm, %	Rockwell,Hardness B Scale
Grade Designation	Condition	ksi	MPa	ksi	MPa	Elongationin 2 in. or 50 mm, %	Rockwell,Hardness 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
1050	HR	80	552	50	345	10	85
	SR	82	565	70	483	6	86
	A	68	469	38	262	18	74
	N	78	538	50	345	12	82
1118	HR	50	345	35	241	25	55
	CW	75	517	60	414	5	80
	SR	70	483	55	379	8	75
	A	50	345	30	207	25	55
	N	55	379	35	241	20	60
1137	HR	70	483	40	276	20	75
	CW	80	552	65	448	5	85
	SR	75	517	60	414	8	80
	A	65	448	35	241	22	72
	N	70	483	43	296	15	75
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	621	15	100
	SR	120	855	100	689	10	100
	A	80	552	60	414	25	85
	N	120	855	90	621	20	100

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 Finish Anneal.

Workmanship, Finish, and Appearance

The tubing shall be free of laps, cracks, seams, and other defects as is consistent with good commercial practice.The surface finish will be compatible with the condition to which it is ordered.

Coating

Tubing shall be coated with a film of oil before shaping to retard rust. tubing may be coated with a rust retarding oil on the outside and inside surfaces, at the option of the manufacturer.

Keywords

carbon steel tube; mechanical tubing;seamless steel tube; steel tube

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