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What is the difference between 304 stainless steel tube and 301?

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High-quality 301 stainless steel wire (1Cr17Ni7) 

Details :1. Austenitic steel. The chemic component of our product, chemical composition: Nickel (Ni) 6% ~ 8%, Chromium (Cr) 17% -18% ; C (C) <0.15%;

Manganese (Mn) 1% -2%;Silicon (Si) 1% -1.5%;phosphorus (P) 0.02% -0.04%;S (S) 0.02% -0.04% .

2. The mechanics component of our product:
1).Product mechanics performance accords with the People's Republic of China(GB/T4240-93) related mechanical properties.
2).Such as steel wire diameter of 1.2mm, light pull state. Tensile strength (Mpa) 80 ~ 1130 Light Pull. Elongation rate 1 (%) 25 soft state. 

Elongation rate 2 (%) - Light Pull. Notes :(1) Description steel wire delivery status state A. Soft State.  (2) After light heat treatment or heat treatment,

steel wire will proceed the acid or similar treatment. B. Light pull   (3)  After heat treatment, steel wire will have a small degree of cold drawing.

High-Quality 304 GB Stainless Steel Wire (0Cr18Ni9)
Details:
1. The chemic component of our product: chemical composition ——Nickel (Ni) 8% ~ 11% ; Chromium (Cr) 17% -18%; C (C) 0.05 % -0.08%; 
Manganese (Mn) 1% -2%; Silicon (Si) 1% -1.5% ; Phosphorus (P) 0.02% -0.04% ; S (S) 0.02% -0.04%.
2.The mechanics component of our product:
1). Products mechanics performance in line with the People's Republic of China (GB/T4240-93) in the mechanical properties of the relevant specifications 
2).Such as steel wire diameter of 1.2mm, light pull state. Tensile strength (Mpa) 780 ~ 1130 Light Pull. Elongation rate 1 (%) 25 soft state. 

Elongation rate of 2 (%)-  light pull. Notes (1) Description steel wire delivery status state A. Soft State.  ( 2) After light heat treatment or heat treatment,

steel wire will proceed the acid or similar treatment. B. Light pull.  (3) After heat treatment, steel wire will have a small degree of cold drawing.


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