ASTM A270 304 310S 904L Stainless Steel Seamless Tube Sch20 Sch40 Pipe

• Overview
• Product Description
• Company Profile
• Certifications
• Packaging & Shipping
• FAQ

Overview

Basic Info.

Surface Treatment	Customized
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	Customized
Outer Diameter	6-630mm
Wall Thickness	2-40mm
MOQ	500kg
Application	Oil & Gas, Petrochemical, Chemical Processing
Transport Package	Wooden Box
Specification	Customized
Trademark	Yintuo
Origin	China

Product Description

Product Description

Material	TP304/TP304L/TP316/TP316L/TP310S/TP321/TP347H/TP904L/Duplex 2205/Duplex 2507/Nickel Alloy	Outer Diameter	6–630 mm
Wall Thickness	2–40 mm	Surface Finish	Pickled/Solution Annealed/Bright Annealed (BA) Mechanical Polished/Electropolished (EP)
Standard	ASTM A312 /ASTM A213 /ASTM A269 ASTM A511 /ASTM A790 /ASTM A789 EN 10216-5 /DIN 17456	Application	Oil & Gas/Petrochemical/Chemical Processing Heat Exchanger/Boiler/Condenser/Pressure Vessel Power Plant/Nuclear Industry/Water Treatment/Desalination/Semiconductor Pharmaceutical/Food Processing

Company Profile

We are a professional manufacturer of stainless steel seamless pipes located in Wuxi, Jiangsu, China, integrating R&D, production, processing and global export service. We own complete hot piercing, cold rolling & cold drawing production lines, capable of producing seamless tubes OD 6–720mm, WT 1–52mm, customized length, bright annealing & mirror polishing service available. Main materials: TP304/304L, TP316/316L, TP321, TP310S, duplex steel S32205/S32507, super austenitic 904L, Inconel 600/617 nickel alloy pipes. Products comply with ASTM A312, ASME B36.10M, GB, DIN, JIS international standards. Full quality inspection system: 100% UT ultrasonic test, ET eddy current test, hydrostatic pressure test, spectrum analysis, intergranular corrosion test. Certifications including ISO9001, ISO45001, PED, TS pressure pipe manufacturing license, with independent import & export right. Our pipes are widely exported to Southeast Asia, Middle East, Europe, Australia, South America, serving oil & gas, power plant, desalination, chemical, marine engineering, new energy pipeline projects. We provide technical support, custom specification, one-stop pipe & fittings supply, stable delivery and competitive factory price for global pipeline distributors and engineering contractors

Certifications

Packaging & Shipping

FAQQ1: Are you a stainless steel pipe manufacturer or trading company?A: We are a professional stainless steel tube & pipe manufacturer with complete production lines, independent factory, testing lab and export qualification. Direct factory supply without middleman markup. Q2: What stainless steel grades do you supply?A: Main grades include 201, 304, 304L, 316, 316L, 321, 309S, 310S, 430, duplex steel 2205/2507. Custom special grades available upon request. Q3: What international standards do you comply with?A: ASTM A240, ASTM A312, ASTM A554, EN 10217, GB/T, JIS G3447, ISO standard. MTR material test reports are provided for all batches. Q4: What size range can you produce?A: Round pipe OD: 6mm–630mm; Square/Rectangular tube: 10×10mm–300×300mm. Wall thickness: 0.3mm–30mm. Custom length from 1m to 12m, fixed cut lengths supported. Q5: How do you guarantee product quality?A: Strict raw material incoming inspection → online production monitoring → finished product full test: tensile test, hardness test, hydrostatic pressure test, eddy current flaw detection, salt spray corrosion test. Third-party inspection (SGS, BV) is welcomed. Q6: What's your minimum order quantity?A: Standard pipes: 1 ton MOQ; small-size decorative tubes: 500kg; customized special sizes subject to negotiation. Small trial orders are supported. Q7: How long is your production lead time?
A: Standard stock items: 3–7 days delivery. Mass customized production: 10–25 working days based on order quantity. Q8: What trade terms do you offer?A: FOB, CFR, CIF, DAP, EXW. We cooperate with stable forwarders, offer competitive sea/air freight to all global ports. Q9: Where are your stainless steel pipes widely used?A: Construction decoration, water supply pipeline, petrochemical industry, food & beverage equipment, medical machinery, boiler heat exchange, shipbuilding, solar engineering, municipal engineering. Q10: Can I get free samples?
A: Small sample pieces are free, customers only bear international courier freight. Sample cutting takes 1–3 working days.