Post Stock Login Register

ASTM A240/A240M:2025 S40500 Steel: Specifications & Listings

ASTM A240/A240M:2025 S40500: S40500 (type 405): ferritic or martensitic (chromium) stainless steel plate, sheet and strip (UNS S40500). Specified in ASTM A240/A240M:2025.

Category: Stainless Steel
Grade Details
GradeASTM A240/A240M:2025 S40500
Standard ASTM A240/A240M:2025
ApplicationsPressure vessels and general applications (plate, sheet and strip)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A959 405 ASTM A959:2011 USA No activity yet
BS 970 (Part 1) 403S17 BS 970 (Part 1):1991 UK No activity yet
ASTM A959 S40800 ASTM A959:2011 USA No activity yet
ASTM A959 409 ASTM A959:2011 USA No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 405 ASTM A959:2011 Strong Match
BS 970 (Part 1) 403S17 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 3) 403S17 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 403S17 BS 970 (Part 1):1983 Strong Match
ASTM A959 S40800 ASTM A959:2011 Strong Match
ASTM A959 409 ASTM A959:2011 Strong Match
ASTM A959 409Cb ASTM A959:2011 Close Alternative
BS 970 (Part 1) 410S21 BS 970 (Part 1):1991 Close Alternative
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Mn P S Si Cr Ni Al
<=0.08 <=1.00 <=0.040 <=0.030 <=1.00 11.5-14.5 <=0.60 0.10-0.30
Mechanical Properties
Tensile Strength >=415 MPa
Yield Strength >=170 MPa
Elongation >=20%
Hardness <=179 HB
Condition Plate, sheet and strip; yield by 0.2 percent offset

More data from ASTM A240/A240M:2025

From the standard
Mechanical properties 1 condition(s)
Product or thicknessTensile strength, min (MPa)Yield strength, min (MPa)Elongation in 50 mm, min (%)
All41517020
Minimum values; yield strength by the 0.2 percent offset method.
Source: ASTM A240/A240M:2025, Table 2
Hardness 1 condition(s)
Product or thicknessBrinell HBW, maxRockwell, max
All17988 HRBW
Maximum values; either Brinell or Rockwell scale may be used.
Source: ASTM A240/A240M:2025, Table 2
Cold bend 1 value
Cold bend angle
180 deg
Bend tests are not required for chromium steels thicker than 1 in. [25 mm] or for any austenitic or duplex steel regardless of thickness.
Source: ASTM A240/A240M:2025, Table 2

Active ASTM A240/A240M:2025 S40500 Listings on M-EX (For Sale)

+ Create a Listing for this grade

No active ASTM A240/A240M:2025 S40500 listings at this time.

Register for Alerts

Buyer RFQs for ASTM A240/A240M:2025 S40500

+ Post an RFQ for this grade

No open buyer requirements for ASTM A240/A240M:2025 S40500 at this time.

Register for Alerts