ASTM A358 Pipe

Short Description:

Type: Welded steel pipe, ERW steel pipe, EFW steel pipe.

Specification: OD: 8″ – 110″. WT: SCH5S, 10S, 40S, 80S or Customized.
Standard: ASTM A358 ASME SA358
Grades: 304, 304L, 310S, 316, 316L, 316H, 317L, 321, 321H, 347, 347H, 904L and so on.
End: Plain Ends / Beveled Ends
Finish: No.1 Pickled Finish, BA Finish, No.4 finish, Electropolished Seamless Steel Pipes.

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Application

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What is ASTM A358 Steel Pipe？

The ASTM A358 pipe is made with electric fusion welding. The materials for the ASTM A358 have 18% chromium, 8% nickel and manganese, silicon, sulfur, and phosphorus in the composition. The much higher resistant a358 contains molybdenum in the composition. The molybdenum content makes the material resistant to chloride ion corrosion. The A358 is the most used because of its strength and cost efficiency. The astm a358 stainless steel pipe comes in sizes ranging from 8 inches to 72 inches. The thickness of the pipes ranges from 3mm to 60mm. The astm a358 uns s31254 ranges in length up to 6 meters. ASTM A358 Stainless Steel EFW Pipes can come in different finishes such as pickled, BA finish, No 4 finish, and electropolished. The astm a358 has slight mechanical differences.

ASTM A358 / A358M is standard Specification for Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications

This specification covers electric-fusion-welded austenitic chromium-nickel stainless steel pipe suitable for corrosive or high-temperature service, or both, or for general applications. The pipes shall be sorted into five different classes.

ASTM A358 CL1 - ASTM A358 Class 1 Pipe shall be double welded by processes employing filler metal in all passes and shall be completely radiographed.

ASTM A358 CL2 - ASTM A358 Class 2 Pipe shall be double welded by processes employing filler metal in all passes, no radiography is required.

ASTM A358 CL3 - ASTM A358 Class 3 Pipe shall be single welded by processes employing filler metal in all passes and shall be completely radiographed.

ASTM A358 CL4 - Same as ASTM A358 Class 3 except that the weld pass exposed to the inside pipe surface may be made without the addition of filler metal.

ASTM A358 CL5 - ASTM A358 Class 5 Pipe shall be double welded by processes employing filler metal in all passes and shall be spot radiographed.

A358 Steel Pipe Chemical Composition

A358 GRADES	UNS	C	Mn	P	S	Si	Cr	Ni	Mo	Ti	Nb	N
TP304	S3040	0.08	2.0	0.045	0.030	1.0	18.0-20.0	8.0-11.0
TP304L	0.035		2.0	0.045	0.030	1.0	18.0-20.0	8.0-13.0
TP304H	S30409	0.04-0.10	2.0	0.045	0.030	1.0	18.0-20.0	8.0-11.0
TP304N	S30451	0.08	2.0	0.045	0.030	1.0	18.0-20.0	8.0-18.0				0.10-0.16
TP304LN	S30453	0.035	2.0	0.045	0.030	1.0	18.0-20.0	8.0-12.0				0.10-0.16
ASME SA358 TP309S	S30908	0.08	2.0	0.045	0.030	1.0	22.0-24.0	12.0-15.0	0.75
ASME SA358 TP309H	S30909	0.04-0.10	2.0	0.045	0.030	1.0	22.0-24.0	12.0-15.0
ASME SA358 TP309Cb	S30940	0.08	2.0	0.045	0.030	1.0	22.0-24.0	12.0-16.0	0.75		10xC min 1.10 max
ASME SA358 TP309HCb	S30941	0.04-0.10	2.0	0.045	0.030	1.0	22.0-24.0	12.0-16.0	0.75		10xC min 1.10 nmax
ASME SA358 TP310S	S3108	0.08	2.0	0.045	0.030	1.0	24.0-26.0	19.0-22.0	0.75
ASME SA358 TP310H	S3109	0.04-0.10	2.0	0.045	0.030	1.0	24.0-26.0	19.0-22.0
ASME SA358 TP310Cb	S31040	0.08	2.0	0.045	0.030	1.0	24.0-26.0	19.0-22.0	0.75		10xC min 1.10 max
ASME SA358 TP310HCb	S31041	0.04-0.10	2.0	0.045	0.030	1.0	24.0-26.0	19.0-22.0	0.75		10xC min 1.10 max
ASME A358 TP316	S3160	0.08	2.0	0.045	0.030	1.0	16.0-18.0	11.0-14.0	2.0-3.0
ASTM SA358 TP316L	S31603	0.035	2.0	0.045	0.030	1.0	16.0-18.0	10.0-14.0	2.0-3.0
ASTM SA358 TP316H	S31609	0.04-0.10	2.0	0.045	0.030	1.0	16.0-18.0	11.0-14.0	2.0-3.0
TP316Ti	S31635	0.08	2.0	0.045	0.030	0.75	16.0-18.0	10.0-14.0	2.0-3.0	5x (C-N) -0.70		0.10
TP316N	S31651	0.08	2.0	0.045	0.030	1.0	16.0-18.0	10.0-14.0	2.0-3.0			0.10-0.16
TP316LN	S31653	0.035	2.0	0.045	0.030	1.0	16.0-18.0	11.0-14.0	2.0-3.0			0.10-0.16
ASME SA358 TP317	S3170	0.08	2.0	0.045	0.030	1.0	18.0-20.0	10.0-14.0	3.0-4.0
ASME SA358 TP317L	S31703	0.035	2.0	0.045	0.030	1.0	18.0-20.0	11.0-15.0	3.0-4.0
TP321	S3210	0.08	2.0	0.045	0.030	1.0	17.0-19.0	9.0-12.0				0.10
TP321H	S32109	0.04-0.10	2.0	0.045	0.030	1.0	17.0-19.0	9.0-12.0				0.10
TP347	S3470	0.08	2.0	0.045	0.030	1.0	17.0-19.0	9.0-13.0
TP347H	S34709	0.04-0.10	2.0	0.045	0.030	1.0	17.0-19.0	9.0-13.0
TP347LN	S34751	0.05-0.02	2.0	0.045	0.030	1.0	17.0-19.0	9.0-13.0			0.20- 50.0	0.06-0.10
TP348	S3480	0.08	2.0	0.045	0.030	1.0	17.0-19.0	9.0-13.0
ASME SA358 TP348H	S34809	0.04-0.10	2.0	0.045	0.030	1.0	17.0-19.0	9.0-13.0

ASME SA358 Steel Pipes Mechanical Properties

Material	Heat	Temperure	Tensile Strength	Yield Strength	Elongation %, Min
	Treatment	Min.	Ksi (MPa), Min.	Ksi (MPa), Min.
		º F(º C)
TP304	Solution	1900 (1040)	75(515)	30(205)	35
TP304L	Solution	1900 (1040)	70(485)	25(170)	35
TP316	Solution	1900(1040)	75(515)	30(205)	35
TP316L	Solution	1900(1040)	70(485)	25(170)	35

Previous: ASTM A213 Pipe

Next: ASTM A312 Pipe

ASTM A358 Steel Size Chart

Nominal	Outside	Nominal Wall Thickness(mm)
Diameter	Diameter	ASME B36.19M				ASME B36.10M
NPS	(mm)	SCH5S	SCH10S	SCH40S	SCH80S	SCH5	SCH10	SCH20	STD	XS
1/4	13.72	-	1.65	2.24	3.02	-	1.65	-	2.24	3.02
3/8	17.15	-	1.65	2.31	3.2	-	1.65	-	2.31	3.2
1/2	21.34	1.65	2.11	2.77	3.73	1.65	2.11	-	2.77	3.73
3/4	26.67	1.65	2.11	2.87	3.91	1.65	2.11	-	2.87	3.91
1	33.4	1.65	2.77	3.38	4.55	1.65	2.77	-	3.38	4.55
1 1/4	42.16	1.65	2.77	3.56	4.85	1.65	2.77	-	3.56	4.85
1 1/2	48.26	1.65	2.77	3.68	5.08	1.65	2.77	-	3.68	5.08
2	60.33	1.65	2.77	3.91	5.54	1.65	2.77	-	3.91	5.54
2 1/2	73.03	2.11	3.05	5.16	7.01	2.11	3.05	-	5.16	7.01
3	88.9	2.11	3.05	5.49	7.62	2.11	3.05	-	5.49	7.62
3 1/2	101.6	2.11	3.05	5.74	8.08	2.11	3.05	-	5.74	8.08
4	114.3	2.11	3.05	6.02	8.56	2.11	3.05	-	6.02	8.56
5	141.3	2.77	3.4	6.55	9.53	2.77	3.4	-	6.55	9.53
6	168.28	2.77	3.4	7.11	10.97	2.77	3.4	-	7.11	10.97
8	219.08	2.77	3.76	8.18	12.7	2.77	3.76	6.35	8.18	12.7
10	273.05	3.4	4.19	9.27	12.7	3.4	4.19	6.35	9.27	12.7
12	323.85	3.96	4.57	9.53	12.7	3.96	4.57	6.35	9.53	12.7
14	355.6	3.96	4.78	9.53	12.7	3.96	6.35	7.92	9.53	12.7
16	406.4	4.19	4.78	9.53	12.7	4.19	6.35	7.92	9.53	12.7
18	457.2	4.19	4.78	9.53	12.7	4.19	6.35	7.92	9.53	12.7
20	508	4.78	5.54	9.53	12.7	4.78	6.35	9.53	9.53	12.7
22	558.8	4.78	5.54	-	-	4.78	6.35	9.53	9.53	12.7
24	609.6	5.54	6.35	9.53	12.7	5.54	6.35	9.53	9.53	12.7
26	660.4	-	-	-	-	-	7.92	12.7	9.53	12.7
28	711.2	-	-	-	-	-	7.92	12.7	9.53	12.7
30	762	6.35	7.92	-	-	6.35	7.92	12.7	9.53	12.7
32	812.8	Thickness :6.35~30mm
\|	\|
84	2133.6
Remark		(1)Marking:Within production capability.
		(2)Other nominal diameter and wall thickness subject to the approval of vendor and client.
		(3)Calculating formula for the value of mass (kg/m):304/L[W=0.02491t(D-t)], 316/L[W=0.02507t(D-t)]

(Dimensions of astm a358 welded and seamless stainless steel pipes: The decimal thickness listed for the respective pipe sizes represents their nominal or average wall dimensions.

Product	NPS Designator	Outside Diameter		Nominal Wall Thickness
		in.	mm	Schedule 5SA		Schedule 10SA		Schedule 40SA		Schedule 80SA
		in.	mm	in.	mm	in.	mm	in.	mm	in.	mm
8	8.625	219.08	0.109	2.77	0.148	3.76	0.322	8.18	0.500	12.70
10	10.750	273.05	0.134	3.40	0.165	4.19	0.365	9.27	0.500B	12.70B
12	12.750	323.85	0.156	3.96	0.180	4.57	0.375B	9.52B	0.500B	12.70B
14	14.000	355.60	0.156	3.96	0.188B	4.78B	...	...	...	...
16	16.000	406.40	0.165	4.19	0.188B	4.78B	...	...	...	...
18	18.000	457.20	0.165	4.19	0.188B	4.78B	...	...	...	...
20	20.000	508.00	0.188	4.78	0.188B	4.78B	...	...	...	...
22	22.000	558.80	0.188	4.78	0.218B	5.54B	...	...	...	...
24	24.000	609.60	0.218	5.54	0.250	6.35	...	...	...	...
30	30.000	762.00	0.250	6.35	0.312	7.92	...	...	...	...

ASTM A358 Steel Pipes Tolerance

NPS Designator	Permissible Variations in Outside Diameter
NPS Designator	Over In.	Under In.
1/8 to 1-1/2, incl	1/64 (0.015)	1/32 (0.031)
Over 1-1/2 to 4, incl	1/32 (0.031)	1/32 (0.031)
Over 4 to 8, incl	1/16 (0.062)	1/32 (0.031)
Over 8 to 18, incl	3/23 (0.093)	1/32 (0.031)

Nominal Wall Thickness

NPS Designator	Outside Diameter in.	Schedule 5S in.	Schedule 10S in.	Schedule 40S in.	Schedule 80S in.
1/4	0.540		0.065	0.088	0.119
3/8	0.675		0.065	0.091	0.126
1/2	0.840	0.065	0.083	0.109	0.147
3/4	1.050	0.065	0.083	0.113	0.154
1.0	1.315	0.065	0.109	0.133	0.179
1 1/4	1.660	0.065	0.109	0.140	0.191
1 1/2	1.900	0.065	0.109	0.145	0.200
2	2.375	0.065	0.109	0.154	0.218
2 1/2	2.875	0.083	0.120	0.203	0.276
3	3.500	0.083	0.120	0.216	0.300
3 1/2	4.000	0.083	0.120	0.226	0.318
4	4.500	0.083	0.120	0.237	0.337
5	5.563	0.109	0.134	0.258	0.375
6	6.625	0.109	0.134	0.280	0.432
8	8.625	0.109	0.148	0.322	0.500
10	10.750	0.134	0.165	0.365	0.500
12	12.750	0.156	0.180	0.375	0.500

Wall Thickness Tolerance Astm A358 Steel Pipe

NPS	ASTM A358 Steel Pipe Tolerance, %
NPS	+	–
1/8-2 1 /2	20.0	12.5
3~18, t/D≤ 5%	22.5	12.5
3~18, t/D> 5%	15.0	12.5
≥ 20, welded	17.5	12.5
≥ 20, seamless, t/D≤ 5%	22.5	12.5
≥ 20, seamless, t/D> 5%	15.0	12.5

Application of ASTM A358 Steel Pipe

- Cryogenic Industry
- LNG Gas
- Offshore Industry
- Process Plants
- Sub Sea
- Refineries
- Shipbuilding
- Food & Beverage Industry
- Construction Industry
- Nuclear Industry
- Thermal & Power Plants
- Petrochemical, Boilers Industry
- Cement Industry
- Geothermal Plants
- Heat Exchangers
- Oil and Gas Equipment and Piping Works

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