ASTM 304L Seamless Welded Sanitary Piping Stainless Steel Tube

• Customization: Available
• Type: Seamless
• Technique: Hot Rolled
• Model NO.: EZS
• Material: Stainless Steel
• Surface Treatment: Polished
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
• Section Shape: Round
• Standard: ASTM, AISI, DIN, En, GB, JIS, ASME SA213/ASTM A213
• Application: Decoration or Power Industry
• Length: 6m, 12m or Customized
• Inspections and Tests Performed: Ut,Rt,Et
• Delivery Condition: Annealed, Normalized,Normalized and Tempered
• 3-Rd Party Inspection: TUV,SGS,Ibr,BV etc
• Treatment: Pickled, Annealed, Polished
• End Type: Plain Ends, Bevel End, Threaded End
• Aplication 1: Industrial Heating and Drilling
• Aplication 2: Heat Exchanger
• Aplication 3: Metel Treatment System
• Aplication 4: High Temperature Geberater Tube
• Aplication 5: Boiler
• Delivery Time: 7-30 Days
• Transport Package: Wooden Box/ PVC Bags/ Steel Strips/Plastic Plates
• Specification: OD: 8-168.3mm, WT: 1-15mm
• Trademark: EZS
• Origin: China
• Production Capacity: 300000t/Year

Product Description

Specification

Standard	ASTM A312/SA312/A213/A269/A270/A268/A376/A511/A789/A790A MT302/303Se/304/304L/305/309S/310S/316/316L/317,/321/347/403/410/430/446 ASME SA376/SA789/SA268/SA270/SA269/SA213 SME SA790 DIN17456/17458,EN10216-5,JIS G3459/G3463-94,GB T14975-2002/T14976-2002/13296-91
Material	TP304H,TP309S,TP309H,TP310S,TP310H,TP316,TP316L,TP316N,TP316HTP317,TP317L,TP321,TP321H, TP347, TP347H,TP347LN,TP348,TP348H,TP405,TP410,TP429,TP430,TP443,TP446,TP409,TPXM-10, SUS304HTB, SUS304LTB,SUS309TB,SUS309STB,SUS310TB,SUS310STB,SUS316TB,SUS316HTB, SUS316HTB, SUS316LTB,SUS316TiTB,SUS317TB,SUS317LTB,SUS836LTB,SUS890LTB,SUS321TB, SUS409LTB,SUS410TB,SUS410TiTB,SUS430TB,SUS430LXTB,SUS430JL1TB,SUS436LTB
Size
	OD
	WT
	Length
Technique	Cold Drawn, Cold Rolled, Welded
Surface Finishes	a) Sanded  b) 200# 320# 400#-600# 800# mirror  c) hairline brushed
Application	Boiler, Heat-exchanger, Power Plant, Building Construction, Aerospace, Petrochemical, Mechanical, Food, Medical, Paper, Fertilizer Industry and other temperature and pressure service
Testing	UT, ET,  Impact Test, Intergranular Corrosion Test, Leak Tightness Test, Non-destructive Test
Package	Bundle Packing, Wooden Cases, Woven Cloth, Plastic Packing, Waterproof Paper Covered

Packing & Delivery

Stainless steel tubing is often the preferred choice for high-pressure, high-temperature (HPHT) services in corrosive environments compared to carbon steel and low-alloy steels. Below are the key advantages:
5.1 Superior Corrosion Resistance
Stainless steel (especially grades like 304, 316, 321, 347, duplex 2205, and super austenitic 904L) contains chromium (Cr), nickel (Ni), and molybdenum (Mo), which form a passive oxide layer that resists oxidation, pitting, and crevice corrosion.
Carbon steel requires additional coatings or inhibitors in corrosive environments (e.g., acidic, chloride-rich, or HzS-containing conditions), whereas stainless steel performs well without extra protection.
5.2. High-Temperature Strength & Oxidation Resistance
Stainless steels (particularly austenitic grades like 310, 321, 347) retain strength at elevated temperatures (up to 1000°C+ for some grades).
Carbon steel loses strength rapidly above 400-500°C and is prone to scaling and decarburization.
Stainless alloys with Ti/Nb (321/347) resist sensitization and carbide precipitation in high-temperature service.
5.3. Better Mechanical Properties Under HPHT Conditions
Higher yield strength and creep resistance compared to carbon steel, reducing deformation risks in high-pressure applications.
Duplex stainless steels (e.g., 2205) offer double the strength of 304/316 with excellent stress corrosion cracking (SCC) resistance.
5.4. Resistance to Sulfide Stress Cracking (SSC) & Hydrogen Embrittlement
In sour service (HzS environments), stainless steels (especially super duplex or high-Ni alloys) outperform carbon steel, which is vulnerable to hydrogen-induced cracking (HIC) and sulfide stress cracking (SSC).
5.5. Longer Service Life & Lower Maintenance
Stainless steel tubes last longer in aggressive environments, reducing downtime, replacements, and maintenance costs.
Carbon steel may require internal linings, corrosion allowances, or chemical inhibitors, increasing lifecycle costs.

Company Profile

Stainless steel tubing

Common Applications Where Stainless Outperforms Carbon Steel
Oil & Gas (HPHT wells, sour gas pipelines)
Chemical & Petrochemical (acidic/caustic processes)
Power Plants (superheaters, boilers)
Marine & Offshore (seawater corrosion resistance)
When Carbon Steel May Still Be Preferred
Non-corrosive, low-temperature applications (cost-saving where stainless is unnecessary).
Short-term projects where long-term corrosion resistance isn't critical.