Stainless Steel 304 Pipe and Tube | SS 304L Tube Supplier

Our premium range of Stainless Steel 304 Pipe is engineered with precision to deliver high strength, durability, and outstanding corrosion resistance in diverse environments. Available in SS 304, SS 304L, and SS 304H grades, these pipes are widely recognized for their versatility and reliability. Whether for fluid transport, structural integrity, or hygienic systems, 304 pipes and tubes are the preferred choice across industries worldwide.

Applications & Benefits

The adaptability of 304 pipes and tubes makes them suitable for a broad range of sectors including construction, food and beverage processing, pharmaceuticals, petrochemicals, and heat exchangers. Known for excellent weldability, cost-effectiveness, and long service life, Stainless Steel 304 Pipe ensures consistent performance in both industrial and residential projects. The material’s corrosion-resistant properties allow it to withstand harsh chemicals, high pressure, and temperature variations without compromising quality.

Why Choose Us

With decades of expertise, we specialize in delivering authentic Stainless Steel 304 Pipe that meets strict international quality standards. Each pipe undergoes rigorous testing to ensure strength, durability, and compliance with industry norms. Beyond supply, we provide complete technical support, timely delivery, and customized solutions tailored to your requirements. By choosing us as your trusted partner, you secure not just genuine SS 304 materials but also enhanced productivity, long-term savings, and sustainable business growth.

304/304L/304H Stainless Steel Pipes and Tubes Equivalent Grades

STANDARD	UNS	WNR.	AFNOR	EN	JIS	BS	GOST
SS 304	S30400	1.4301	Z7CN18‐09	X5CrNi18-10	SUS 304	304S31	08Х18Н10
SS 304L	S30403	1.4306/1.4307	Z3CN18‐10	X2CrNi18-9 / X2CrNi19-11	SUS 304L	304S11	03Х18Н11
SS 304H	S30409	1.4301	-	-	-	-	-

SS 304/304L/304H Seamless Pipes

Stainless Steel 304 Seamless Pipes, UNS S30400 / S30403 / S30409 Seamless Pipes, DIN 1.4301 Seamless Pipes, ASME SA 312 SS TP304H Seamless Piping

SS 304/304L/304H Seamless Tubes

ASME SA213 SS 304L /304H Seamless Tube, ASTM A213 Stainless Steel 304 Seamless Tubing, DIN 1.4301 / 1.4307 Seamless Tubes, UNS S30403 / S30409 Seamless Tube

SS 304/304L/304H Welded Pipes

Stainless Steel ASTM A312 TP304 Welded Pipes, UNS S30400 / DIN 1.4301 Welded Pipe, ASME SA312 SS 304L Welded Pipes, SS 304H Welded Pipe Supplier

SS 304/304L/304H Welded Tubes

DIN 1.4301 Welded Tubing, UNS S30400 Welded Tube, ASME SA 213 Stainless Steel 304L Welded Tubes, ASTM A213 304H SS Welded Tubes

SS 304/304L/304H EFW Pipes

ASME SA358 304 SS EFW Pipes, ASTM A358 TP304H Stainless Steel EFW Pipe, SS UNS S30400/ S30403/ S30409 EFW Pipes, SS DIN 1.4301 / 1.4306 EFW Pipes

SS 304/304L/304H ERW Pipes & Tubes

UNS S30400 ERW Pipes, Stainless Steel 304 ERW Tubing, ASTM A213 TP304L Stainless Steel ERW Tubes, ASME SA 312 SS 304H Pipe

Stainless Steel Pipe Specification :

ASTM A312, A358 / ASME SA312, SA358

SS Tube Specification :

ASTM A213, A269, A249, A511, A554 / ASME SA213, SA269, SA249, SA511, SA554

Pipe Size :

1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.

Tube SIze :

1/2" OD to 8" OD.

Thickness Range :

0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS

Type :

Seamless / ERW / Welded / Fabricated Pipes

Form :

Round, Square, Rectangular, Oval, Hydraulic Etc

Length :

Single Random, Double Random & Required Length

End :

Plain End, Beveled End, Treaded

End Protection :

Plastic Caps

Outside Finish :

2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements

Delivery Condition :

Annealed and Pickled, Polished, Bright Annealed, Cold Drawn

Inspection, Test Reports :

Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports

Packing :

Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests

Specials :

Sizes and Specifications other than above can be manufactured on request

Chemical Composition of Stainless Steel 304/304L/304H Seamless Pipes And Tubes

	C	Mn	Si	P	S	Cr	Ni	N
304	0.07max	2.0max	0.75max	0.045max	0.03max	min: 18.0 max: 20.0	min: 8.0 max: 10.5	—
304L	0.03max	2.0max	0.75max	0.045max	0.03max	min: 18.0 max: 20.0	min: 8.0 max: 12.0	0.10 max
304H	min: 18.0 max:20.0	min: 8.0 max: 10.5	min: 0.04 max:0.10	0.75 max	2.0 max	0.045 max	0.03 max	0.10 max

Mechanical Properties Of Stainless Steel 304/304L/304H Seamless Pipes and Tubes

Grade	Tensile Strength ksi (min)	Yield Strength 0.2% ksi (min)	Elongation %	Hardness (Brinell) MAX	Hardness (Rockwell B) MAX
304	75	30	40	201	92
304L	70	25	40	201	92
304H	75	30	40	201	92

Physical Properties of 304/304L/304H Stainless Steel Pipes And Tubes

SS 304/304L
Density lbm/in3	Thermal Conductivity (BTU/h ft. °F)	Electrical Resistivity (in x 10-6)	Modulus of Elasticity (psi x 106	Coefficient of Thermal Expansion (in/in)/ °F x 10-6	Specific Heat (BTU/lb/ °F)	Melting Range (°F)
at 68°F: 0.285	9.4 at 212°F	28.3 at 68°F	28	9.4 at 32 – 212°F	0.1200 at 68°F to 212°F	2500 to 2590
	12.4 at 932 °F	39.4 at 752°F		10.2 at 32 – 1000°F
		49.6 at 1652 °F		10.4 at 32 – 1500°F
SS 304H
Denstiy lbm/in3	Coefficient of Thermal Expansion (min/in)-°F		Thermal Conductivity BTU/hr-ft-°F		Specific Heat BTU/lbm -°F	Modules of Elasticity (annealed)2-psi
at 68 °F	at 68 – 212°F	at 68 – 1600°F	at 212°F	at 932°F	at 32 – 212°F	in tension (E)
0.285	9.2	11.0	9.4	12.4	0.12	29 x 106