ASTM A358 304 EFW Pipes

Stainless Steel Pipes

ASTM A358 304 Stainless Steel EFW Pipes Manufacturer & Supplier

ASTM A358 304 EFW Pipes, ASTM A358 304 Class 1 / 2 / 3 / 4 / 5 Welded Pipes, Reliable Pipes & Tubes.

Reliable Pipes & Tubes – Leading ASTM A358 304 Stainless Steel EFW Pipes Manufacturer & Supplier in India

Reliable Pipes & Tubes is a leading manufacturer, supplier, stockist, and exporter of high-grade ASTM A358 304 Stainless Steel EFW Pipes. Electric Fusion Welded (EFW) pipes are manufactured by rolling plate and welding the seam. Our ASTM A358 304 EFW Pipes are designed for high-temperature and general corrosive service operations, complying with strict international standards.

The ASTM A358 304 EFW Pipe is highly versatile and widely used in oil and gas pipelines, chemical processing, refineries, power generation, and water treatment. We offer a comprehensive size range from 8" NB up to 72" NB in various classes (Class 1, 2, 3, 4, 5) and schedules to meet custom industrial applications.

Every EFW pipe supplied by Reliable Pipes & Tubes undergoes transverse guided-bend weld testing, transverse tension testing, hydrostatic testing, and radiography (where required by class specifications) to ensure optimal joint efficiency and structural integrity. Our advanced production and quality management systems guarantee premium performance in severe operating environments.

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For Our Customers:

  • We deliver quality, cost-effective ASTM A358 304 Stainless Steel EFW Pipes meeting your exact specifications.
  • We work with you closely to ensure you get the exact size and length, when and where you need it.
  • We provide outstanding customer service from pre-sale consultations to post-delivery support.
  • Our manufacturing and testing equipment is continuously updated to maintain superior quality.
  • We utilize only premium raw material sourced from reputed steel mills.

ASTM A358 304 EFW Pipes Quick Details

Parameter Details
Company Name Reliable Pipes & Tubes
Country/Region India
FOB Price US $1500 - $5000 / Metric Ton
Port Nhava Sheva Port, Mumbai
Main Products Seamless Pipes & Tubes, Welded Pipes & Tubes, EFW Pipes, Stainless Steel Tube, API 5L Pipes
Certification ISO 9001, ISO 14001 & OHSAS 18001

Five Classes of ASTM A358 Steel Pipe

  • ASTM A358 CL1 (Class 1): Double welded by processes employing filler metal in all passes; completely radiographed.
  • ASTM A358 CL2 (Class 2): Double welded by processes employing filler metal in all passes; no radiography is required.
  • ASTM A358 CL3 (Class 3): Single welded by processes employing filler metal in all passes; completely radiographed.
  • ASTM A358 CL4 (Class 4): Same as 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 (Class 5): Double welded by processes employing filler metal in all passes; spot radiographed.

ASTM A358 304 EFW Steel Pipes Specifications

Specification Heading Details
Standard ASTM A358 / ASME SA358
Grade 304, 304L, 304H, 304LN, 304N, TP316, TP316L, TP321, TP347
Size Range 8" NB to 72" NB
Wall Thickness Range 3.0 mm to 60.0 mm
Schedules SCH 5S, 10S, 20S, 40S, 80S, 120S, 160S as per ANSI B36.19 & B36.10
Length Up to 6 meters, custom cut lengths
Finish No.1 Pickled Finish, BA Finish, No.4 Finish, Electropolished
Delivery Condition Hot Finish, Cold Finish, Bright Annealed, Annealed & Pickled, Polished, Passivated, Stress Relieved
Package Steel bundle, plastic caps on both ends, woven bags or custom packaging

Sizes and Dimensional Configuration

Type OD Range Wall Thickness Length Specification / Welding Condition & Finish
Longitudinal Seam (One Joint) 8" NB to 24" NB (219.1 to 609.6 mm) 2.5 to 32 mm 6 meters max (Double random possible with one circumferential joint) ASTM A358, A409, A778; TIG, Plasma, SAW welding Solution Annealed or As welded. Finish: Pickled.
Circumferential Welding Joints 18" to 48" (457.2 to 1220 mm) 2.5 to 14.0 mm 3.5 to 6 meters ASTM A358, A409, A778; TIG, Plasma, GTAW welding Solution Annealed or As welded. Finish: Pickled.

Chemical Composition for 304 Grade Stainless Steel

Grade C (%) Mn (%) Si (%) P (%) S (%) Cr (%) Mo (%) Ni (%) N (%)
304 (UNS S30400) 0.08 max 2.00 max 0.75 max 0.045 max 0.030 max 18.0 - 20.0 - 8.0 - 10.5 0.10 max
304L (UNS S30403) 0.030 max 2.00 max 0.75 max 0.045 max 0.030 max 18.0 - 20.0 - 8.0 - 12.0 0.10 max
304H (UNS S30409) 0.04 - 0.10 2.00 max 0.75 max 0.045 max 0.030 max 18.0 - 20.0 - 8.0 - 10.5 -

Detailed Chemical Composition (ASME SA358 / ASTM A358 Grades)

Grade UNS C Mn P S Si Cr Ni Mo Ti Nb/Cb N
304 S30400 0.08 2.0 0.045 0.030 1.0 18.0-20.0 8.0-11.0 - - - -
304L S30403 0.035 2.0 0.045 0.030 1.0 18.0-20.0 8.0-13.0 - - - -
304H S30409 0.04-0.10 2.0 0.045 0.030 1.0 18.0-20.0 8.0-11.0 - - - -
304N S30451 0.08 2.0 0.045 0.030 1.0 18.0-20.0 8.0-11.0 - - - 0.10-0.16
304LN S30453 0.035 2.0 0.045 0.030 1.0 18.0-20.0 8.0-12.0 - - - 0.10-0.16
TP309S S30908 0.08 2.0 0.045 0.030 1.0 22.0-24.0 12.0-15.0 0.75 max - - -
TP309H S30909 0.04-0.10 2.0 0.045 0.030 1.0 22.0-24.0 12.0-15.0 - - - -
TP309Cb S30940 0.08 2.0 0.045 0.030 1.0 22.0-24.0 12.0-16.0 0.75 max - 10xC min - 1.10 max -
TP310S S31008 0.08 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0 0.75 max - - -
TP310H S31009 0.04-0.10 2.0 0.045 0.030 1.0 24.0-26.0 19.0-22.0 - - - -
TP316 S31600 0.08 2.0 0.045 0.030 1.0 16.0-18.0 11.0-14.0 2.0-3.0 - - -
TP316L S31603 0.035 2.0 0.045 0.030 1.0 16.0-18.0 10.0-14.0 2.0-3.0 - - -
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 max
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 S32100 0.08 2.0 0.045 0.030 1.0 17.0-19.0 9.0-12.0 - 5x(C) min - 0.70 max - 0.10 max
TP321H S32109 0.04-0.10 2.0 0.045 0.030 1.0 17.0-19.0 9.0-12.0 - 4x(C) min - 0.70 max - 0.10 max
TP347 S34700 0.08 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0 - - 10x(C) min - 1.10 max -
TP347H S34709 0.04-0.10 2.0 0.045 0.030 1.0 17.0-19.0 9.0-13.0 - - 8x(C) min - 1.10 max -

Mechanical Properties of 304 Grade Stainless Steel

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness Rockwell B (HR B) max Brinell Hardness (HB) max
304 515 205 40 92 201
304L 485 170 40 92 201
304H 515 205 40 92 201

* Note: 304H also requires a grain size of ASTM No. 7 or coarser.


Physical Properties of 304 Grade Stainless Steel (Annealed Condition)

Grade Density (kg/m³) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) 0-100°C / 0-315°C / 0-538°C Thermal Conductivity (W/m.K) at 100°C / at 500°C Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nΩ.m)
304 / 304L / 304H 8000 193 17.2 / 17.8 / 18.4 16.2 / 21.5 500 720

Approximate Grade Equivalents

Grade UNS No Old British BS / En Euronorm No / Name Swedish SS Japanese JIS
304 S30400 304S31 / 58E 1.4301 / X5CrNi18-10 2332 SUS 304
304L S30403 304S11 / - 1.4306 / X2CrNi19-11 2352 SUS 304L
304H S30409 304S51 / - 1.4948 / X6CrNi18-11 - -

Availability Schedule Chart

Nominal Size Sch 5 Sch 10 Sch 40 Sch 80 Sch 160
8 inch NB Yes Yes Yes Yes -
10 inch NB Yes Yes Yes Yes -
12 inch NB Yes Yes Yes Yes -
14 inch NB Yes Yes Yes Yes Yes
16 inch NB Yes Yes Yes Yes Yes
18 inch NB Yes Yes Yes Yes Yes
20 inch NB Yes Yes Yes Yes Yes
22 inch NB Yes Yes Yes Yes Yes
24 inch NB Yes Yes Yes Yes Yes
26 inch NB Yes Yes Yes Yes Yes
28 inch NB Yes Yes Yes Yes Yes
30 inch NB Yes Yes Yes Yes Yes
32 inch NB Yes Yes Yes Yes Yes
36 inch NB Yes Yes Yes - -

ASTM A358 304 Stainless Steel EFW Pipes Factory Prices

Product Description FOB Price Reference
ASTM A358 EFW Welded Pipe US $600 - $800 / Ton
ASTM A358 321 / 316L / 304 Seamless Stainless Steel Pipe US $1000 - $4500 / Ton
ASTM A358 316L Stainless Steel Pipe US $2000 - $7000 / Ton
TP316 / TP316L ASTM A358 Stainless Steel Pipe US $3.50 - $10.00 / Kilogram
ASTM A358 Stainless Steel Pipe 304LN US $1588 - $3999 / Ton
SUS 304 Stainless Seamless Steel Pipe US $2500 - $5000 / Metric Ton
310S Stainless Steel Tube ASTM A358 Pipe US $2200 - $5800 / Ton
ASTM A358 321 Stainless Steel Pipe US $1.00 - $10.00 / Kilogram
ASTM A358 304 Stainless Steel Pipe US $1500 - $6500 / Ton
ASTM A358 304L Stainless Steel Pipe US $2200 - $3000 / Metric Ton
ASTM A358 304 Schedule 40 Stainless Steel Pipe US $2000 - $4000 / Metric Ton
ASTM A358 / 317L Duplex Stainless Steel Pipe US $1900 - $9000 / Ton
22 inch ASTM A358 304L Stainless Steel Pipe US $0.10 - $1250 / Ton
A358 304(H) Welded Stainless Steel Pipe US $700 - $1000 / Ton
A358 304 Welded Stainless Steel Pipe US $500 - $1000 / Ton

* Prices listed above are for indication only. Contact Reliable Industries for accurate, current project quotes.


Industries and Applications

We supply ASTM A358 304 EFW Pipes to the following critical industries:

  • Chemical & Petrochemical Plants
  • Refineries & Fertilizers
  • Power Plants & Nuclear Power
  • Oil & Gas Pipelines
  • Pulp & Paper Mills
  • Breweries & Food Processing
  • Cement & Sugar Industries
  • Mining & Offshore Engineering
  • Construction & Shipbuilding
  • Defence, Railways & Ports

Packaging and Sea Transportation Protection

At Reliable Pipes & Tubes, packaging is processed with standard anti-rust measures and sea transportation security rules. We ensure that your pipes reach safely and in perfect condition via the following packaging modes:

  • Bundle packing with steel strips
  • Crate packing (wooden cases)
  • Naked packing
  • End protection with plastic caps or wooden protectors