Quality Assurance

Commitment to Reliability

Flonox ensures uncompromised quality and reliability from raw material selection to final product delivery. Our stainless steel tubes undergo stringent in-house testing and quality controls, consistently meeting or exceeding globally recognized standards including ASTM, DIN, ISO, EN, and JIS.

Key Attributes of Our Quality Management

Committed to Quality

Inspection & Performance Validation

Chemical Composition

Flonox ensures uncompromised quality and reliability from raw material selection to final product delivery. Our stainless steel tubes undergo stringent in-house testing and quality controls, consistently meeting or exceeding globally recognized standards including ASTM, DIN, ISO, EN, and JIS.

Grade UNS Number Carbon (C) Max. Manganese (Mn) Max. Phosphorus (P) Max. Sulphur (S) Max. Silicon (Si) Max. Chromium (Cr) Nickel (Ni) Molybdenum (Mo) Nitrogen (N) Copper (Cu)
Austenitic Stainless Steel
304S304000.082.000.0450.0301.0018.0–20.08.0–11.00.10
304LS304030.032.000.0450.0301.0018.0–20.08.0–12.00.10
316S316000.082.000.0450.0301.0016.0–18.010.0–14.02.00–3.000.10
316LS316030.032.000.0450.0301.0016.0–18.010.0–14.02.00–3.000.10
904LN089040.022.000.0400.0301.0019.0–23.023.0–28.04.00–5.000.101.00–2.00
Duplex Stainless Steel
Duplex 2205S322050.032.000.030.021.0022.0–23.04.5–6.53.00–3.500.10
Lean Duplex 2101S321010.044.0–6.00.040.031.0021.0–22.01.35–1.700.10–0.800.20–0.250.10–0.80
Lean Duplex 2304S323040.032.500.040.041.0021.5–24.53.00–5.500.05–0.600.05–0.200.05–0.60

Crafting Precision and Delivering Quality You Can Always Trust.

Mechanical Properties

Grade UNS Number ASTM Specification Tensile Strength Min. (Mpa) Yield Strength Min (Mpa) Elongation (%) (Min.) Hardness (Max.)
Austenitic Welded Stainless Steel
304S30400ASTM A270 / A249 / A2695152053590 HRB
304LS30403ASTM A270 / A249 / A2694851703590 HRB
316S31600ASTM A270 / A249 / A2695152053590 HRB
316LS31603ASTM A270 / A249 / A2694851703590 HRB
904LN08904ASTM 2494902153590 HRB
1.4307EN 10217-7470-67018040
1.4404EN 10217-7490-69019040
1.4435EN 10217-7490-69019040
1.4539EN 10217-7520-72022035
Duplex Welded Stainless Steel
Duplex 2205S32205ASTM 789 / A7906554852530 HRC
Lean Duplex 2101S32101A7897005303030 HRC
Lean Duplex 2304S32304ASTM 789 / A7906204853030 HRC
Stainless Steel Tubes Packaging

Ensuring Strength and Safety in Every Shipment

We provide reliable packaging solutions that ensure the safety and integrity of stainless steel tubes during transportation, storage, and handling

Wooden Box Packaging

Our wooden box packaging provides a durable, sustainable, and highly secure solution for shipping stainless steel tubes and other industrial products. Designed to withstand long-distance transportation, it ensures complete protection against damage, moisture, and impact. Each box is carefully crafted for ease of handling, stacking, and storage, making it an ideal choice for international deliveries.

Hexagonal Packaging

Our hexagonal packaging is a robust and space-efficient solution meticulously designed to maintain the integrity of stainless steel tubes during handling and transit. The unique hexagonal shape not only enhances protection but also  utilization, making stacking and transportation more efficient. This innovative  movement and damage risks, ensuring products reach their destination safely and securely.