Basic Info.
Product Description

Ingeniously designed with precision, stainless steel square pipes are divided into two primary categories: seamless steel pipes and welded steel pipes (welded pipes). Their diverse cross-sectional designs include square, rectangular, and unique forms like semicircular, hexagonal, equilateral triangle, and octagonal, meeting a broad range of specialized applications. Although round steel pipes are common across industries, these distinctively shaped options address the specific demands of niche projects, offering exceptional precision, unrivaled reliability, and extraordinary performance.
The steadfast reliability of stainless steel square pipes under fluid pressure is ensured through rigorous hydraulic testing, a crucial procedure that validates their resilience and structural soundness. A pipe is deemed fully compliant when it successfully withstands predetermined pressures without leaks, moisture, or expansion. Additionally, these pipes may undergo further meticulous assessments, including crimping, flaring, and flattening tests, in accordance with stringent industry standards or specific client requirements, guaranteeing superior performance and quality.
Square tube specification: 5*5~150*150mm Thickness: 0.4~6.0mm
Square pipe material: 304, 304L, TP304, TP316L, 316, 316L, 316Ti, 321, 347H, 310S


Product name | 6 inch steel pipe stainless steel tubing manufacturers 2.4602 Seamless Stainless Steel Pipe | |||
Grade | 201,202,301,302,302HQ,303,304,304L,304F,309,310,310s,314,314l,316,316L,316Ti,316F,317,317l,321,409L,410,410S,416,420,420J1,420JS,430,430F,431,etc. | |||
Standard | ASTM/ASMES A312 GR. TP304, 304L, 304H, 310S, 310H, 316, 316L, 347, 347H snd etc;ASTM/ASMES A358 CL1&CL3 GR. 304, 304L, 304H, 310S, 310H, 316, 316L, 347, 347H snd etc;Duplex ASTM / ASME SA 790 UNS NO S31803 , S32205 and etc.Inconel ASTM B444 UNS06625 , Incoloy ASTM B423 UNS08825 Hastelloy C276, Monel 400,ASTM B111 C68700, C44300, C70600, C71500, | |||
Outside diameter | 6mm-3000mm | |||
W.T. | 0.5-100mm | |||
Length | 1. Single Random Length and double Random Length.2. SRL: 3M-5.8M DRL: 10-11.8M or As clients requested length3. Fixed length (5.8m, 6m, 12m) | |||
Pipe Ends | Under 2 inch plain end. 2 inch and above Beveled. Plastic caps (small OD). Iron protector (large OD). | |||
Surface Treatment | black paint, varnish, oil, galvanized, anti-corrosion coated. | |||
Marking | Supply Logo + Standard + Size(mm) + HEAT NO +or as your requirement | |||
Test | Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size Inspection, hydraulic testing , X-ray Test, HIC & SSC test, etc. or as your requirment | |||
Brand | JIULI, WUJIN, ZHONGDA, GAOLIN, GANGYI, DEWEI, ZHANGYUAN etc or as your requirment | |||
Certificates | API, ISO, SGS, BV, CE, PED, KOC, CCRC, PDO and etc. | |||
Advantages | 1. Abundant stock and prompt delivery2. Reasonable for whole packages and processes.3. 15 years' QC team service & sales management API& ASTM trained engineers.4. More than 150 customers spread worldwide. (Petrofac, G.S Engineer, Fluor, Hyundai Heavy industry, Kuwait National Oil, Petrobras, PDVSA, PetroEcuador, SHELL, etc.) |
Application Area




Our Advantages
Qualitative Materials:
Our products are renowned for unparalleled strength, exceptional durability, and unmatched longevity, setting an industry benchmark for excellence, thanks to our meticulous selection of premium-grade raw materials.
Advanced Technology:
By revolutionizing our production with cutting-edge technology, we employ advanced smelting, continuous casting, and innovative rolling techniques, consistently ensuring unmatched quality and precision.
Customized Service:
We provide bespoke design and manufacturing services, meticulously tailored to each customer's unique specifications and stringent requirements, ensuring complete satisfaction and delight.
FAQ
Q1: Why choose your company?
A: With a rich legacy of over 16 years in the industry, our well-equipped manufacturing facility and highly professional, dedicated sales team deliver exceptional services that set us apart in the market.
Q2: What are your terms of payment?
A: We adopt a flexible payment structure requiring a 30% T/T deposit upfront, with the remaining 70% payable before delivery, providing assurance and convenience to our valued clients.
Q3: What are your delivery terms?
A: We offer accommodating delivery terms, including FOB, CFR, CIF, and EXW, tailored to our clients' varying preferences and logistical needs with utmost efficiency.
Q4: What is your delivery time?
A: Our delivery timeline is efficiently set between 7 to 15 days post-deposit receipt, ensuring prompt and reliable service for all our clients.
Q5: Can you provide samples?
A: Indeed, we offer complimentary samples when available in stock, with transportation costs borne by the buyer, allowing clients to experience our superior quality firsthand.Certification
