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JIANGSU MITTEL STEEL INDUSTRIAL LIMITED

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City:wuxi

Province/State:jiangsu

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China Structure Steel Pipe Tube ASTM A519 AISI4140 Heavy Wall Steel Pipe in 6m Length wholesale

Structure Steel Pipe Tube ASTM A519 AISI4140 Heavy Wall Steel Pipe in 6m Length

Name: Structure Steel Pipe Tube ASTM A519 AISI4140 Heavy Wall Steel Pipe in 6m Length
Brand: DELTA
Price: 610 USD

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Brand Name :DELTA

Model Number :Carbon Steel , Alloy Steel

Certification :ISO

Place of Origin :China

MOQ :4 Tons

Price :610 - 820 USD/Ton

Payment Terms :L/C, Western Union, T/T

Supply Ability :20Ton per week

Delivery Time :5 - 10 days based on the quantity

Packaging Details :standard packing for export

Products :seamless steel pipe

Diameter :DN10 - DN600

Thickness :1.0 - 50.0mm

Length :6-10m or cutting as request

Standard :ASTM EN GB DIN

Technique :Hot Rolled

Service :Cutting any length as request

MOQ :2 Ton

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Structure Steel Pipe Tube ASTM A519 AISI4140 Heavy Wall Steel Pipe in 6m Length

AISI 4140 Tube Specifications and Thickness

Sizes	1/2" NB to 36" NB
Specification	ASTM A519/ ASME SA519
Length	Single and Double Random, Cut to Length
Tolerance	Cold rolled tube: +/-0.05 millimetre Cold drawn tube: +/-0.1 millimetre
Thickness	3 - 12 millimeter, Cut to length
Form	Hydraulic, Square, Rectangular, Round Etc.
End	Beveled, Threaded, Plain
Type	Welded \| CDW \| ERW \| DOM \| Seamless \| Fabricated \| CEW \| LSAW
Surface Finish	2B, No.1, No.4, No.8 Mirror Finish
Schedule Thickness Ranges	SCH XS, SCH 40, SCH 80S, SCH 5, SCH 80, SCH XXS, SCH 160, SCH10, All Schedules
Delivery Condition	Annealed & Pickled, Polished, Bright & Annealed, etc

Manufacturer of AISI 4140 Steel Pipe and 4140 Alloy Steel Tube

Alloy Steel UNS G41400 Equivalent

GRADE	ASTM A519 4140
UNS	G41400
DIN	1.7225

aisi4140 Chrome Moly Steel Tubing Weight Chart, Alloy Steel 4140 Annealed Tube Sizes, Exporter of 4140 Seamless Tubing.

Weight Table of 4140 Alloy Steel Pipe

Size NPS	O.D.	Sch. Pipe #	I.D. Pipe	Gallon Capacity Per Linear Foot	Wall Thk.	Standard to XXHY	Wght per Foot	Section Modulus
1/2	0.84	40	0.622	.0158	0.109	STD	0.85	.0407
		80	0.546	.0122	0.147	XHY	1.09	.0478
		160	0.464	.0088	0.188		1.31	.0528
			0.252	.0026	0.294	XXHY	1.72	.0577
3/4	1.05	40	0.824	.0277	0.113	STD	1.13	.0705
		80	0.742	.0225	0.154	XHY	1.48	.0853
		160	0.612	.0153	0.219		1.95	.1006
			0.434	.0077	0.308	XXHY	2.44	.1103
1	1.315	40	1.049	.0449	0.133	STD	1.68	.1328
		80	0.957	.0374	0.179	XHY	2.17	.1606
		160	0.815	.0271	0.250		2.85	.1904
			0.599	.0146	0.358	XXHY	3.66	.2136
1 1/4	1.66	40	1.380	.0777	0.140	STD	2.27	.2346
		80	1.278	.0666	0.191	XHY	3.00	.2913
		160	1.160	.0549	0.250		3.77	.3421
			0.896	.0328	0.382		5.22	.4110
1 1/2	1.90	40	1.610	.1058	0.145	STD	2.72	.3262
		80	1.500	.0918	0.200	XHY	3.63	.4118
		160	1.338	.0730	0.281		4.86	.5079
			1.100	.0494	0.400		6.41	.5977
2	2.375	10	2.157	.1898	0.109		2.64	.4205
		40	2.067	.1743	0.154	STD	3.66	.5606
		80	1.939	.1534	0.218	XHY	5.03	.7309
			1.875	.1434	0.250		5.68	.8045
			1.813	.1344	0.281		6.29	.8666
		160	1.687	.1161	0.344		7.47	.9806
			1.503	.0922	0.436	XXHY	9.04	1.1043
2 1/2	2.875	10	2.635	.2833	0.120		3.53	.6870
		40	2.469	.2487	0.203	STD.	5.80	1.0640
			2.443	.2435	0.216		6.14	1.1169
			2.375	.2301	0.250		7.02	1.2468
		80	2.323	.2202	0.276	XHY	7.67	1.3386
		160	2.125	.1842	0.375		10.02	1.6371
			1.771	.1280	0.552	XXXHY	13.71	1.9971
3	3.50		3.260	.4336	0.120		4.34	1.0411
			3.188	.4147	0.156		5.58	1.3122
			3.156	.4064	0.172		6.12	1.4265
			3.124	.3984	0.188		6.66	1.5342
		40	3.068	.3840	0.216	STD.	7.58	1.7241
			3.000	.3672	0.250		8.69	1.9372
			2.938	.3521	0.281		9.67	2.1207
		80	2.900	.3431	0.300	XHY	10.26	2.2253
		160	2.624	.2811	0.438		14.34	2.8774
			2.300	.2158	0.600	XXHY	18.6	3.4243
3 1/2	4.0	10	3.760	.5768	0.120		4.98	1.3776
		140	3.548	.5136	0.226	STD.	9.12	2.3939
			3.500	.4998	0.250		10.02	2.6001
			3.438	.4821	0.281		11.17	2.8562
		80	3.364	.4617	0.318	XHY	12.52	3.1400
			2..728	.3085	0.636	XXHY	22.87	4.8795
4	4.5	10	4.260	.7404	0.120		5.62	1.7612
			4.188	.7156	0.156		7.24	2.2354
			4.124	.6942	0.188		8.67	2.6296
			4.094	.6838	0.203		9.32	2.8173
			4.062	.6725	0.219		10.02	3.0184
		40	4.026	.6613	0.237	STD.	10.80	3.2145
			4.000	.6528	0.250		11.36	3.3611
		60	3.938	.6326	0.281		12.67	3.7021
			3.876	.6126	0.312		13.97	4.0273
		80	3.826	.5972	0.337	XHY	15.00	4.2713
		120	3.624	.5361	0.438		19.02	5.1790
		160	3.438	.4822	0.531		22.53	5.8997
			3.152	.4054	0.674	XXHY	27.57	6.7927
5	5.563		5.187	1.0979	0.188		10.80	4.1161
			5.125	1.0716	0.219		12.51	4.7279
		40	5.047	1.0391	0.258	STD.	14.63	5.4500
			5.001	1.0204	0.281		15.87	5.8644
			4.939	.99647	0.312		17.51	6.4074
			4.875	.9696	0.344		19.19	6.9358
		80	4.813	.9449	0.375	XHY	20.80	7.4300
		120	4.563	.8495	0.500		27.06	9.2534
		160	4.313	.7590	0.625		32.99	10.7976
			4.063	.6734	0.750	XXHY	38.59	12.0954
6	6.625	5	6.407	1.6748	0.109		7.59	3.5769
		10	6.357	1.6488	0.134		9.30	4.3475
			6.313	1.6260	0.156		10.79	5.0107
			6.249	1.5937	0.188		12.94	5.9351
			6.219	1.5780	0.203		13.94	6.3804
			6.187	1.5620	0.219		15.00	6.8261
			6.125	1.5306	0.250		17.04	7.6905
		40	6.065	1.5008	0.280	STD.	18.99	8.4958
			6.001	1.4688	0.312		21.06	9.3416
			5.937	1.4391	0.344		23.10	10.111
			5.875	1.4082	0.375		25.05	10.893
		80	5.761	1.3541	0.432	XHY	28.60	12.224
			5.625	1.2909	0.500		32.74	13.711
		120	5.501	1.2346	0.562		36.43	14.9806
			5.375	1.1787	0.625		40.09	16.1821
		160	5.187	1.0977	0.719		45.39	17.8243
			4.897	.9784	0.864	XXHY	53.21	20.025
			4.625	.8727	1.000		60.13	21.7719
			4.375	.7809	1.125		66.14	23.1237

AISI 4140 Square Tube Schedules Chart

NB	Size (inch)	O.D.	40S	5S	10S	S10	S20	S40	S60	XS/80S	S80	S100	S120	S140	S160	XXS
NB	Size (inch)	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm	mm
	1/8	10.29			1.2			1.73			2.41
	1/4	13.72			1.7			2.24			3.02
	3/8	17.15			1.7			2.31			3.2
15	1/2	21.34	2.8	1.7	2.1			2.77		3.73	3.73				4.78	7.47
20	3/4	26.67	2.9	1.7	2.1			2.87		3.91	3.91				5.56	7.82
25	1	33.4	3.4	1.7	2.8			3.38		4.55	4.55				6.35	9.09
32	1 1/4	42.16	3.6	1.7	2.8			3.56		4.85	4.85				6.35	9.7
40	1 1/2	48.26	3.7	1.7	2.8			3.68		5.08	5.08				7.14	10.2
50	2	60.33	3.9	1.7	2.8			3.91		5.54	5.54				9.74	11.1
65	2 1/2	73.03	5.2	2.1	3.1			5.16		7.01	7.01				9.53	14
80	3	88.9	5.5	2.1	3.1			5.49		7.62	7.62				11.1	15.2
90	3 1/2	101.6	5.7	2.1	3.1			5.74		8.08	8.08
100	4	114.3	6	2.1	3.1			6.02		8.56	8.56		11.1		13.5	17.1
125	5	141.3	6.6	2.8	3.4			6.55		9.53	9.53		12.7		15.9	19.1
150	6	168.3	7.1	2.8	3.4			7.11		10.97	11		14.3		18.3	22
200	8	219.1	8.2	2.8	3.8		6.4	8.18	10.3	12.7	12.7	15.1	19.3	20.6	23	22.2
250	10	273.1	9.3	3.4	4.2		6.4	9.27	12.7	12.7	15.1	19.3	21.4	25.4	28.6	25.4
300	12	323.9	9.5	4	4.6		6.4	10.3	14.3	12.7	17.5	21.4	25.4	28.6	33.3	25.4
350	14	355.6	9.5	4	4.8	6.4	7.9	11.1	15.1	12.7	19.1	23.8	27.8	31.8	35.7
400	16	406.4	9.5	4.2	4.8	6.4	7.9	12.7	16.7	12.7	21.4	26.2	31	36.5	40.5
450	18	457.2	9.5	4.2	4.8	6.4	7.9	14.3	19.1	12.7	23.8	29.4	34.9	39.7	45.2
500	20	508	9.5	4.8	5.5	6.4	9.5	15.1	20.6	12.7	26.2	32.5	38.1	44.5	50
550	22	558.8	9.5	4.8	5.5	6.4	9.5		22.2	12.7	28.6	34.9	41.3	47.6	54
600	24	609.6	9.5	5.5	6.4	6.4	9.5	17.5	24.6	12.7	31	38.9	46	52.4	59.5
650	26	660.4	9.5			7.9	13			12.7
700	28	711.2	9.5			7.9	13			12.7
750	30	762	9.5	6.4	7.9	7.9	13			12.7
800	32	812.8	9.5			7.9	13	17.5		12.7
850	34	863.6	9.5			7.9	13	17.5		12.7
900	36	914.4	9.5			7.9	13	19.1		12.7

Chemical Structure of AISI4140 Steel Boiler Tube

Range	C	Si	Mn	P	S	Cr	Mo
Min	0.38	0.15	0.75	-	-	0.8	0.15
Max	0.43	0.35	1	0.035	0.04	1.1	0.25

Alloy Steel Grade 4140 Pipe Sizes

O.D. * Thk.	O.D. * Thk.	O.D. * Thk.
57 * 4.9	38.1 * 3.2	76.2 * 4
57 * 6.3	38.1 * 4	76.2 * 5
57 * 7.9	38.1 * 6.3	76.2 * 6.3
60.3 * 3.2	42.4 * 3.2	82.5 * 4.5
60.3 * 3.6	42.4 * 4	88.9 * 3.2
60.3 * 5	44.5 * 3.2	88.9 * 3.6
63.5 * 3.2	44.5 * 6.3	88.9 * 4
63.5 * 3.6	48.3 * 3.2	101.6 * 3.6
63.5 * 4	48.3 * 3.6	101.6 * 4.5
63.5 * 6.3	50.8 * 4.5	101.6 * 6.3
63.5 * 7.9	51 * 3.2	114.3 * 3.6
70 * 3.2	51 * 3.6	114.3 * 5
70 * 3.6	51 * 6.3	139.7 * 4
70 * 6.3	57 * 3.2	139.7 * 5
76.2 * 3.6	57 * 3.6	139.7 * 6.3

Several Test on AISI 4140 Pipe

Chemical analysis
Flaring and Flattening test
Radiography test
Mechanical test
Ultrasonic test
Pitting resistance test
Hydrostatic test
Macro/micro test
Hardness test

Density of 4140 Steel Round Tube

Properties	Metric	Imperial
Density	7.85 g/cm3	0.284 lb/in³

SAE 4140 Rectangular Tube Melting Point

Properties	Metric	Imperial
Melting point	1416°C	2580°F

Heat Conditions for AISI 4140 Seamless Pipe

Condition	Grade	Medium
Quenched and tempered	A519-4140	Polymer or oil
Annealed or normalized	A519-4140	Air

4140 Heat Treated Tubing Thermal Properties

Properties	Metric	Imperial
Thermal conductivity (@ 100°C)	42.6 W/mK	296 BTU in/hr.ft².°F
Thermal expansion co-efficient (@ 0-100°C/32-212°F)	12.2 µm/m°C	6.78 µin/in°F

SAE 4140 Standard Specification Other Grades

GB/T 3077	JIS	AISI/SAE	DIN	BS	ISO
30CrMo	SCM420	4140	25CrMo4	25CrMo4	-
30CrMoA	SCM430	4140	34CrMo4	34CrMo4	-

AISI 4140 Mechanical Tubing Applications

Food Processing Industry
Power Generation Industry
Offshore and Onshore Services
Paper & Pulp Industry
Oil & Gas Industry
Sugar Industry

ASTM A519 Grade 4140 Mechanical Properties

Tensile Strength	689 MPa min	100,000 psi min
Yield Strength	552 MPa min	655 MPa max
	80,000 psi min	95,000 psi max
Total Elongation Under Load	20.000 %	-
Hardness	23 Max HRC

Tensile Strength of 4140 Alloy Steel Tube

Grade Designation	Condition	Ultimate Strength		Yield Strength		Elongation in 2 in.or 50mm,%	Rockwell,Hardness B Scale
Grade Designation	Condition	ksi	Mpa	ksi	Mpa	Elongation in 2 in.or 50mm,%	Rockwell,Hardness B Scale
4140	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

FAQ

1. Do you have your own factory?

Yes, we do. We have our own factory, and we can provide stable stock with competitive price and good quality.

2. Which payment can you accept?

1).100% irrevocable L/C at sight.

2).30% T/T prepaid and the balance against the copy of B/L.

3).30% T/T prepaid and the balance against L/C.

3. How about the delivery time?

10-15 days after receiving the deposit.

4. Why do you choose our company?

1). We have a more stable stock with competitive price and good quality.

2). We have more experience on the international trade with good faith.

3). We can provide the personal customized service, such as adding your company's logo on the products, the specified color and so
on.

5. Can you send a sample for the inspection?

Yes, we can. We can send you the sample freely.

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