Stainless Steel 304L Pipe | ASTM A312 TP304L Pipe Ex-Stock

Q: What is the SS 304L Pipe Price Per Kg today?

Rates track daily nickel and stainless market movement. Size, schedule, and seamless or welded route change the final number. Send your list to get a written quote the same day.

Q: Where does UNS S30403 Pipe fit against other grade codes?

UNS S30403 Pipe is equivalent to WNR 1.4306 / 1.4307 Pipe in Europe, and matches EN X2CrNi18-9 Pipe and JIS SUS304L Pipe designations. All these fall under the AISI 304L Pipe naming system as well.

What Makes Our Stainless Steel 304L Pipe a Safer Buy?

Get Today’s 304L Rate

Low Carbon Grade

Carbon capped at 0.035%, lowering the risk of carbide formation at grain boundaries.

Weld-Friendly Composition

Stays corrosion resistant after welding without needing post-weld annealing.

Built for Heavy Fabrication

Commonly used for tanks, vessels, and piping with thick, multi-pass welds.

Slightly Lower Strength

Tensile and yield strength run a bit lower than standard 304.

ASTM A312 TP304L Pipe Quick Facts

Grade / UNSTP304L / UNS S30403

Product StandardASTM A312 / ASME SA312

Key AlloyingCr 18 – 20%, Ni 8 – 13%, C ≤ 0.035%

Low-Carbon BenefitResists carbide precipitation during welding

Wall SchedulesSch 5S, 10S, 40S & 80S

NB / OD Range1/2″ – 24″ NB (21.3 – 610 mm OD)

FormsSeamless & Welded (A312), EFW (A358)

TemperSolution annealed, 1040 °C (1900 °F) min

FinishesAnnealed & Pickled, Bright Annealed, Polished

Mill Test CertificateEN 10204 3.1 (3.2 on request)

Obtain ASTM A312 TP304L Pipe Supplier In India As Per ASME B36.19M Dimensions

Hi Tech Metal and Tubes supplies Stainless Steel 304L Pipe across India. Each batch of our ASTM A312 TP304L Pipe meets strict material standards. A 2 inch Sch 10S length carries a 2.77mm wall. Low carbon content prevents weld decay near joints. This makes SS 304L Seamless Pipe suited for site welding. Buyers needing both grades get SS 304/304L Pipe together. Every length is solution annealed and heat number stencilled. Stock with PED-compliant mill certificates ships for European buyers. Deliveries from our Mumbai stockyard reach clients across most major Indian states within days.

Stainless Steel 304L Pipe Specification

Dimension limits, end types, and testing steps back your incoming inspection plan.

304L Stainless Steel Pipe Dimension Code

ASME B36.19M (S schedules) / B36.10M for other walls

TP304L OD Tolerance (over 48.26 to 114.30 mm OD)

+0.80 / −0.80 mm

SS 304L Pipe Thickness Tolerance

Under-tolerance 12.5% max on nominal wall

A312 TP304L End Preparation

Plain, bevelled, or threaded to ASME B1.20.1

SS 304L Seamless Pipe Cut-Length Limit

+6 mm / −0 on specified cut length

AISI 304L Pipe Leak Proof

Hydrostatic test or eddy-current NDE per A312

ASTM TP304L Pipe Mechanical Properties

70 ksi tensile, 25 ksi yield, 35% elongation min

SUS 304L Pipe Flattening Test

Sample flattened without cracks per A312 clause

SS 304L Pipe Intergranular Corrosion Test

Practice E per ASTM A262, on supplementary request

SS 304L Pipe Dimensions & Schedule Chart

Thickness figures shown in millimeters define every listed SS 304L Pipe Schedule Chart entry.

NB (inch)	OD (mm)	Sch 5S	Sch 10S	Sch 40S	Sch 80S
1/2	21.3	1.65	2.11	2.77	3.73
3/4	26.7	1.65	2.11	2.87	3.91
1	33.4	1.65	2.77	3.38	4.55
1-1/4	42.2	1.65	2.77	3.56	4.85
1-1/2	48.3	1.65	2.77	3.68	5.08
2	60.3	1.65	2.77	3.91	5.54
2-1/2	73.0	2.11	3.05	5.16	7.01
3	88.9	2.11	3.05	5.49	7.62
4	114.3	2.11	3.05	6.02	8.56
6	168.3	2.77	3.40	7.11	10.97
8	219.1	2.77	3.76	8.18	12.70
10	273.0	3.40	4.19	9.27	12.70
12	323.8	3.96	4.57	9.53	12.70

Trusted Stainless Steel 304L Pipe Manufacturer Based in Mumbai Since 2007

Pune buyers receive verified heat traceability records prior to any cutting.

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Types of ASTM A312 TP304L Pipe

Customers frequently request TP304L across applications spanning process piping and sanitary fabrication systems.

ASTM A312 TP304L Seamless Pipe

Hot finished or cold drawn
No weld seam anywhere
First choice for pressure headers

SA312 TP304L Welded Pipe

Automatic weld, no filler metal
Single seam up to NPS 14
Lower cost in bigger bores

SS 304L ERW Pipe

Resistance welded from coil strip
Suits Sch 5S / 10S utility runs
Uniform wall along the length

304L EFW Pipe

Fusion welded from plate to ASTM A358
Covers large diameters
Weld radiography on order

Schedule 40 304L Seamless Stainless Steel Pipe

Standard wall for process lines
2″ NB carries a 3.91 mm wall
Threadable in small bores

SA213 TP304L Heat Exchanger Tube

Seamless tube to ASTM A213
Boiler, superheater & exchanger duty
Ordered by OD × wall

UNS S30403 Instrumentation Tubing

Made to ASTM A269
Small OD for impulse lines
Seamless or welded builds

JIS SUS304L Bright Annealed Tube

Annealed in protective atmosphere
Scale-free, no pickling needed
Shiny bore for clean media

AISI 304L Sanitary Polished Tube

Sanitary tube to ASTM A270
OD polish to your grit number
Dairy, brewery & pharma skids

Order SS 304L Seamless Pipe With Better Weld Zone Corrosion Resistance Than SS 304

A weld zone briefly reaches high localized heat. Standard grade carbon binds chromium, weakening grain edges. SS 304L seamless pipe caps carbon near 0.035%, limiting carbide formation. Field spools get welded without added thermal treatment. As a Stainless Steel 304L Pipe manufacturer in India, lengths undergo solution annealing first. Testing under ASTM A262 Practice E ships on request. 304L stainless steel tubing and ss 304L pipe cover Sch 40S and 80S stock.

304L Stainless Steel Pipe Weldability

Weld zones resist chromium carbide buildup better, explains Stainless Steel 304L Pipe Supplier in India.

Welding Heat

The zone next to the weld passes through roughly 425–815 °C
This band is called the sensitising range
Slow cooling keeps metal there longer

Carbide Forms

In standard 304, carbon joins chromium
Chromium carbide settles on grain boundaries
More carbon means faster carbide growth

Chromium Drops

Metal beside each carbide loses chromium
Those thin bands stop acting stainless
Result: intergranular attack, or weld decay

304L Answer

0.035% max carbon leaves little to form carbide
Welded spools usually need no post-weld anneal
Proof on request via ASTM A262 Practice E

ASME SA312 TP304L Pipe Pressure Rating Chart

Project engineers commonly inquire about estimated allowable pressure ratings for seamless TP304L.

ASME B31.3P = 2 × S × E × W × t / (D − 2 × Y × t)

1/2″ NB Sch 40Sapprox. 288 bar

1″ NB Sch 40Sapprox. 219 bar

2″ NB Sch 40Sapprox. 137 bar

2″ NB Sch 10Sapprox. 96 bar

4″ NB Sch 40Sapprox. 110 bar

6″ NB Sch 40Sapprox. 88 bar

ASME SA312 TP304L Pipe Mechanical Properties

Batches of TP304L must satisfy baseline tensile figures ambient conditions require before shipment.

485MPa min

Tensile Strength (70 ksi)

170MPa min

Yield Strength, 0.2% offset (25 ksi)

35% min

Elongation in 2 in., Longitudinal

25% min

Elongation in 2 in., Transverse

Dual Certified ASTM A312 TP304L Pipe Explained

Distributors commonly prefer one combined stock lineup answering every SS 304/304L Pipe order.

Carbon Meets the L Limit

Heat analysis stays at or below 0.035% C, the TP304L cap.

Strength Meets the 304 Floor

Tensile and yield reach 515 / 205 MPa, the TP304 minimums.

One Stencil, Both Grades

Marked TP304/304L so either callout clears receiving checks.

Fewer SKUs to Hold

A single rack covers welded and non-welded job specs.

Reliable SS 304L Seamless Pipe Stockist Operating from Mumbai Since 2007

Manufacturing units across India source Sch 10S and 40S lengths directly from stock.

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SS 304L Seamless Pipe Equivalent Grades

Purchase orders naming a Stainless Steel 304L Pipe Stockist in India reference varied international grade designations for UNS S30403.

UNS

S30403

AISI / SAE

304L

ASTM / ASME Pipe

A312 / SA312 TP304L

Werkstoff Nr.

1.4306 / 1.4307

EN Name

X2CrNi19-11 / X2CrNi18-9

JIS

SUS304L

304S11

GOST

03Kh18N11

SIS

2352

SS 304L Seamless Pipe Chemical Composition

ASTM A312 caps chemical composition per TP304L grade, showing spans only occasionally.

Carbon (C)0.035% max

Manganese (Mn)2.00% max

Phosphorus (P)0.045% max

Sulfur (S)0.030% max

Silicon (Si)1.00% max

Chromium (Cr)18.0 – 20.0%

Nickel (Ni)8.0 – 13.0%

Iron (Fe)Balance

Global Reach

Where Our SS 304L Pipe Ships Around The World

Regular container loads and road consignments keep these markets stocked from our Mumbai base.

Gulf & Turkey

Abu Dhabi, UAE

Jubail, Saudi Arabia

Izmir, Turkey

Europe

Teesside, United Kingdom

Rotterdam, Netherlands

Hamburg, Germany

Genoa, Italy

Africa

Durban, South Africa

Mombasa, Kenya

Kampala, Uganda

Americas

Houston, United States

Edmonton, Canada

Monterrey, Mexico

Puerto Cabello, Venezuela

Asia-Pacific

Jurong, Singapore

Johor, Malaysia

Map Ta Phut, Thailand

Hai Phong, Vietnam

Surabaya, Indonesia

Batangas, Philippines

SS 304L Pipe Weight Chart

SS 304L Pipe Weight Chart lists mass per metre and full length calculated at 7.93 g/cm³.

FormulaW (kg/m) = (OD − WT) × WT × 0.02491

NB Size	OD (mm)	Sch 10S (kg/m)	Sch 40S (kg/m)	Sch 80S (kg/m)	6 m Sch 10S (kg)
1/2″	21.3	1.01	1.28	1.63	6.1
3/4″	26.7	1.29	1.70	2.22	7.8
1″	33.4	2.11	2.53	3.27	12.7
1-1/4″	42.2	2.72	3.43	4.51	16.3
1-1/2″	48.3	3.14	4.09	5.47	18.9
2″	60.3	3.97	5.49	7.56	23.8
3″	88.9	6.52	11.41	15.43	39.1
4″	114.3	8.45	16.24	22.55	50.7
6″	168.3	13.97	28.55	43.00	83.8
8″	219.1	20.17	42.98	65.30	121.0

ASTM A312 TP304L Pipe Metres Per Tonne

Buying in tonnes? See how many metres one metric tonne covers, pulled straight from the chart.

FormulaMetres per tonne = 1000 ÷ W (kg/m)

1″ NB Sch 10Sabout 474 m

2″ NB Sch 10Sabout 252 m

2″ NB Sch 40Sabout 182 m

3″ NB Sch 40Sabout 88 m

4″ NB Sch 40Sabout 62 m

6″ NB Sch 40Sabout 35 m

304L Stainless Steel Pipe for Sub-Zero Service

WNR 1.4306 / 1.4307 Pipe holds up reliably in low temperature and freezing service lines.

B31.3 Minimum Temperature

−254 °C (−425 °F)

Impact Test Waiver

Accepted by ASME codes per A312 Note 1

Toughness Behaviour

Austenitic, no brittle transition

Field Welding in Cold Sites

Low carbon limits HAZ sensitisation

ASTM A312 TP304L Pipe Price Per Kg: How a Quote Adds Up

Buyers reviewing JIS SUS304L Pipe options often check our SS 304L pipe price list example this way.

Unit Weight

3.97 kg/m • From the chart

Length Mass

6 m × 3.97 • About 23.8 kg

Per-Kg Rate

Tracks nickel • Fixed on quote day

Build Route

Seamless premium • Welded economy

Extras

BA, polish, IGC • Added per line

Freight Term

FOB or CIF Mombasa • Your choice

Share size, wall type and quantity, get a prompt SS 304L pipe price in Mumbai instantly.

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SS 304L Seamless Pipe Applications

Engineers sourcing from a Stainless Steel 304L Pipe Supplier in Mumbai typically deploy it across these applications.

Chemical processing & nitric acid lines

Food & dairy process piping

Heat exchanger & condenser bundles

Water treatment & RO permeate headers

LNG, LIN & LOX cold-box piping

Pharma purified-water loops

Welded storage-tank & transfer lines

Brewery wort & CIP return lines

SS 304L vs 316L Pipe

SS 304L vs 316L Pipe both offer low carbon content, but molybdenum decides chloride resistance performance.

304L

Economical pick for fresh water, food and mild chemicals

UNS NumberS30403
Chromium18.0 – 20.0%
Nickel8.0 – 13.0%
MolybdenumNot specified
Tensile / Yield (min)485 / 170 MPa

316L

Better pitting resistance for brines and coastal plants

UNS NumberS31603
Chromium16.0 – 18.0%
Nickel10.0 – 14.0%
Molybdenum2.00 – 3.00%
Tensile / Yield (min)485 / 170 MPa

ASTM A312 TP304L Supplier in Bengaluru with PED-Ready Documentation

Dairy and healthcare buyers get certificates verified item by item against orders.

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ASME SA312 TP304L Pipe Testing & PED Compliance

ASME SA312 TP304L Pipe involves clearances that extend past the summary tiles above.

EU Pressure Equipment

Mill certificates compliant with PED 2014/68/EU

Intergranular Corrosion

ASTM A262 Practice E (A312 S7)

Lot Tests

Tension & flattening per heat-treat lot

Alloy Check

PMI by XRF before dispatch

Indian Boiler Lines

IBR-certified supply on request

General Requirements

Visual & dimensional per ASTM A999

304L Stainless Steel Pipe MTC: Six Lines to Check on Arrival

SS 304L Welded Pipe buyers should verify every certificate field against specification before accepting delivery.

Specification & Grade

ASTM A312 / ASME SA312 TP304L

Carbon (Heat Analysis)

0.035% max

Chromium / Nickel

18.0 – 20.0% / 8.0 – 13.0%

Tensile / Yield

485 / 170 MPa min

Heat Number

Same as pipe stencil

Certificate Type

EN 10204 3.1, mill-inspector validated

Global Reach

SS 304L EFW Pipe Export Destinations

As a Stainless Steel 304L Pipe exporter, we ship monthly containers overseas and dispatch trucks nationwide.

Domestic Road Dispatch

Bengaluru & Chennai

Kolkata

Delhi & Ghaziabad

Ahmedabad & Rajkot, Gujarat

Pune & Nagpur

Asia-Pacific

Hai Phong, Vietnam

Surabaya, Indonesia

Jurong, Singapore

Batangas, Philippines

Johor, Malaysia

Map Ta Phut, Thailand

Americas

Monterrey, Mexico

Puerto Cabello, Venezuela

Houston, United States

Edmonton, Canada

Africa

Mombasa, Kenya

Durban, South Africa

Kampala, Uganda

Europe

Genoa, Italy

Hamburg, Germany

Teesside, United Kingdom

Rotterdam, Netherlands

Gulf & Turkey

Izmir, Turkey

Abu Dhabi, UAE

Jubail, Saudi Arabia

ASME SA312 TP304L Pipe Exporter to Singapore’s Jurong Island

Loading images get captured and sent across prior to departure.

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Stainless Steel 304L Pipe Questions Asked

Quick replies to common concerns buyers raise before finalizing their purchase order.

What is the SS 304L Pipe Price Per Kg today?

Rates track daily nickel and stainless market movement
Size, schedule, seamless or welded route change the final number
Send your list, get a written quote same day

Do you supply SS 304L Seamless Pipe as well as welded?

Yes, both SS 304L Seamless Pipe and SS 304L Welded Pipe are stocked
SS 304L ERW Pipe and SS 304L EFW Pipe also available on request
Choose based on pressure rating and application need

Where does UNS S30403 Pipe fit against other grade codes?

UNS S30403 Pipe equals WNR 1.4306 / 1.4307 Pipe in Europe
Matches EN X2CrNi18-9 Pipe and JIS SUS304L Pipe designations too
All fall under AISI 304L Pipe naming as well

What sizes and thickness does the SS 304L Pipe Schedule Chart cover?

SS 304L Pipe Sizes range from small bore to large diameter runs
SS 304L Sch 10 Pipe Thickness and Schedule 40 both listed in mm
Full SS 304L Pipe Weight Chart available alongside dimensions

Is Schedule 40 304L Seamless Stainless Steel Pipe suited for chemical plants?

Yes, SS 304L Pipe for Chemical Processing is a common use case
Also fits SS 304L Pipe for Food & Dairy Industry standards
Suitable too for SS 304L Pipe for Water Treatment lines