DONGSHANG Stainless offers ASTM A213 904L seamless stainless steel tube for various applications, especially used in harsh environments because of 904L stainless steel character, 904L is a low Carbon, high Molybdenum, high Chromium and high Nickel super Austenitic stainless steel, so 904L has excellent corrosion resistance in sulphuric acid, ethylic acid, phosphoric acid.
904L Stainless Steel Equivalents
UNS N08904
DIN 1.4539
GB 00Cr20Ni25Mo4.5Cu
More about 904L stainless steel
904L Stainless Steel Chemical Composition (Max %):
| Grade | Ni | Cr | Mo | Cu | F | C | Mn | Si | P | S |
|---|---|---|---|---|---|---|---|---|---|---|
| 904L | 23 – 28 | 19 – 23 | 4 -5 | 1 – 2 | Rest | 0.02 | 2 | 1 | 0.045 | 0.035 |
904L Stainless Steel Mechanical Properties
| Grade | Tensile Strength (Mpa) | Elongation (Mpa) | Elognation (Mpa) | Hardness |
|---|---|---|---|---|
| 904L | 71 (490) | 31(215) | 35 | 90 HRB Max |
A213 904L Seamless Tube Tolerances Control
Outside Diameter Tolerance
| OD, mm | OD tolerances |
|---|---|
| ≤25.4 | ±0.10 |
| 25.4~38.1 | ±0.15 |
| 38.1~50.8 | ±0.2 |
| 50.8~63.5 | ±0.25 |
| 63.5~76.2 | ±0.3 |
| 76.2~101.6 | ±0.38 |
Wall Thickness Tolerance
ASTM A213 specified minimum wall thickness, when OD>50, T>5.6, AVG Wall +/-10%.
Length Tolerance
OD<50.8,+3mm, OD>=50.8, +5mm
ASTM A213 specification is a seamless stainless steel tube standard for heat exchanger, boiler, super heater, 904L is an ideal grade in various applications, cold finished seamless tubes in heat solution condition, outside diameter range from 12 – 219.1 mm, wall thickness range from 0.5 – 8 mm, special dimensions are available for different purpose.
