Product Overview

This is a high-quality stainless steel seamless & welded pipe, including hot water heater dedicated pipe with specification 76mm outer diameter and 22mm wall thickness. We supply multiple grades such as 316, 201, 904L, 409L. Adopting advanced seamless rolling and precision welding technology, the steel pipe features smooth surface, high pressure resistance and excellent corrosion resistance. It is widely used for water heater piping, fluid transportation and general industrial piping systems.

Product Specifications

Item

Parameters

Product Name

Stainless Steel Seamless / Welded Pipe

Main Grade

316, 201, 904L, 409L

Key Size

OD 76mm, Wall Thickness 22mm (Water Heater Pipe)

Processing Type

Seamless Hot Rolling, Precision Welding

Surface Finish

Polished, Pickled, Bright Annealed

Standard

ASTM A240, ASTM A554, GB/T 14976

Pressure Resistance

High Pressure Resistant

Custom Service

OEM & ODM, Custom Size Available

Material Introduction

316: Premium molybdenum-containing stainless steel, outstanding acid and alkali corrosion resistance, suitable for high temperature and humid water environment.

201: Cost-effective grade, good toughness and polishing effect, ideal for conventional general piping.

904L: Ultra-low carbon alloy steel, superior resistance to acid corrosion, applied in harsh chemical environments.

409L: Ferritic stainless steel, excellent high temperature oxidation resistance, commonly used in exhaust and heating systems.

Product Advantages

Dense pipe body without pores, uniform wall thickness and stable mechanical performance.

Excellent rust and corrosion resistance, long service life for hot water circulation.

Smooth inner wall, low fluid resistance, not easy to scale.

Strict welding & seamless process, no leakage under high pressure.

High temperature resistance, stable performance for long-term water heater operation.

Application Range

Water Heating System: Special 76*22mm pipe for solar water heater, electric water heater and heat exchanger pipeline.

Industrial Transportation: Conveyance of water, oil, gas and mild corrosive liquid.

Chemical Industry: Acid-base medium pipeline, chemical storage and transmission equipment.

Mechanical Exhaust: 409L pipe for automobile exhaust and high-temperature flue system.

Construction & Plumbing: Building water supply, heating piping and hardware engineering.