Stainless Steel Welded Pipe
stainless welded pipe
welded stainless steel pipe
welded steel pipe

Stainless Steel Welded Pipe

1. Type: ASTM A312/ASME SA312、ASTM A269/ASME SA269、ASTM B676/ASME SB676
2. Size: 1/2''~48''
3. Thickness: SCH5~SCHXXS
4. End: Beveled End, Plain End

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ASME B36.10 Dimensions

Product Introduction

Stainless Steel Welded Pipe is a steel pipe made by welding the edges of plates or steel strips. The production process of Welded pipe is simple, the production efficiency is high, it is more suitable for large-diameter pipes, and the cost is low, but the general strength is lower than that of seamless steel pipes. Common stainless steel pipe welding includes electric resistance welding (ERW), electric fusion welding (EFW), submerged arc welding (SAW), longitudinal submerged arc welding (SAWL), and horizontal submerged arc welding (SAWH).

Stainless Steel Welded Pipe Material Standard：

ASTM A312: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

ASTM A269: Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

ASTM B676 : Specification for UNS N08367 Welded Tube

Stainless Steel Welded Pipe Specifications

Pipe Specifications	ASTM A312 / ASME SA 312 ASTM A269 / ASME SA 213 ASTM B676 / ASME SB676
Grade	TP304,TP304L,TP316,TP316L,316Ti, TP317,TP317L, TP321, TP310S, TP347, S31254, N08367, N08904, 2205, 2507, Etc.
Pipe Standard	DIN, JIS, ASTM, EN, GB, AISI, ASME
Pipe Thickness	0.3mm - 50 mm
Welded Pipe size	5.0 mm - 1219.2 mm
Pipe Schedule	SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Pipe & Tube End	Plain End, Beveled End, Treaded Pipe.

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Chemical Composition of Stainless Steel Welded Pipe

Grade	UNS	C≤	Mn	P≤	S≤	Si≤	Cr	Mo	Ni	Cu
TP304	S30400	0.08	2	0.045	0.03	1	18.0-20.0	-	8.0-11.0	-
TP304L	S30403	0.035	2	0.045	0.03	1	18.0-20.0	-	8.0-13.0	-
TP316	S31600	0.08	2	0.045	0.03	1	16.0-18.0	2.00-3.00	10.0-14.0	-
TP316L	S31603	0.035	2	0.045	0.03	1	16.0-18.0	2.00-3.00	11.0-14.0	-
316Ti	S31635	0.08	2	0.045	0.03	0.75	16.0-18.0	2.00-3.00	10.0-12.0	-
TP317	S31700	0.08	2	0.045	0.03	1	18.0-20.0	3.0-4.0	11.0-14.0	-
TP317L	S31703	0.035	2	0.045	0.03	1	18.0-20.0	3.0-4.0	11.0-15.0	-
TP321	S32100	0.08	2	0.045	0.03	1	17.0-19.0	-	9.0-12.0	-
321H	S32109	0.04-0.1	2	0.045	0.03	1	17.0-19.0	-	9.0-12.0	-
310	S31000	0.25	2	0.045	0.03	1.5	24.0-26.0	0.75	19.0-22.0	-
TP310S	S31008	0.08	2	0.045	0.03	1	24.0-26.0	0.75	19.0-22.0	-
TP347	S34700	0.08	2	0.045	0.03	1	17.0-19.0	-	9.0-13.0	-
254SMO	S31254	0.02	1	0.03	0.01	0.8	19.5-20.5	6.0-6.5	17.5-18.5	0.5-1.0
AL-6XN	N08367	0.03	2	0.04	0.03	1	20.0-22.0	6.0-7.0	23.5-25.5	0.75
F904L	N08904	0.02	2	0.04	0.03	1	19.0-23.0	4.0-5.0	23.0-28.0	1.0-2.0

Stainless Welded Pipe Mechanical Properties

Mechanical properties	Tensile, min, ksi[MPa】	Yield, min, ksi[MPa】	Elongation, %(min)	Hardness, HB(max)
TP304	75【515】	30【205】	35	192
TP304L	70【485】	25【170】	35	192
TP316	75【515】	30【205】	35	192
TP316L	70【485】	25【170】	35	192
316Ti	75【515】	30【205】	35	192
TP317	75【515】	30【205】	35	192
TP317L	75【515】	30【205】	35	192
TP321	75【515】	30【205】	35	192
321H	75【515】	30【205】	35	192
TP310	75【515】	30【205】	35	192
TP310S	75【515】	30【205】	35	192
TP347	75【515】	30【205】	35	192
S31254	98【675】	43【310】	35	220
N08367	100【690】	45【310】	30	241
N08926	94【650】	43【295】	35	256
N08904	71【490】	31【215】	35	192

Application SS Welded Pipe

Welded Pipe is used for low-pressure fluid pipelines and pipelines that transport a large amount of fluid, such as water, gas, natural gas, oil, boilers, mechanical parts, sewage pipelines, etc.

SS Welded Pipe Production Process

Raw material decoiling → flattening→end shearing and welding→loop→forming→welding→removal of inner and outer welding beads→pre-calibration→heat treatment→sizing and alignment→eddy current testing→cutting→hydraulic pressure inspection→pickling→final inspection→packing→shipment.