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BS 970 (Part 1):1991 316S11 Steel: Specifications & Listings

BS 970 (Part 1):1991 316S11: 316S11 is a austenitic steel specified in BS 970 Part 1:1991 (category 1).

Category: Stainless Steel
Grade Details
GradeBS 970 (Part 1):1991 316S11
Standard BS 970 (Part 1):1991
ApplicationsAustenitic stainless and heat resisting steel (section five)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
BS 970 (Part 3) 316S11 BS 970 (Part 3):1991 UK No activity yet
EN 10088-1 X2CrNiMo17-12-2 EN 10088-1:2014 Europe (CEN) No activity yet
ASTM A959 316L ASTM A959:2011 USA No activity yet
EN 10088-1 X2CrNiMoN17-11-2 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X2CrNiMoCuS17-10-2 EN 10088-1:2014 Europe (CEN) No activity yet
BS 970 (Part 1) 316S13 BS 970 (Part 1):1991 UK No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 3) 316S11 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 316S11 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 316S13 BS 970 (Part 1):1991 Strong Match
EN 10088-1 X2CrNiMo17-12-2 EN 10088-1:2014 Strong Match
ASTM A959 316L ASTM A959:2011 Strong Match
BS 970 (Part 3) 316S13 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 316S13 BS 970 (Part 1):1983 Strong Match
EN 10088-1 X2CrNiMoN17-11-2 EN 10088-1:2014 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Si Mn P S Cr Mo Ni
<=0.030 <=1.0 <=2.0 <=0.045 <=0.030 16.5-18.5 2.00-2.50 11.0-14.0
Mechanical Properties
Condition Softened, 1000-1100 deg C
Tensile Strength 490 MPa min
Yield Strength 190 MPa min (0.2% proof)
Elongation 40 % min
Hardness 183 HB max

More data from BS 970 (Part 1):1991

From the standard
Other composition limits
Category
Category 1 steel (note 7)
Maximum unless a range is stated.
Source: BS 970 (Part 1):1991, Table 11
Properties in the softened condition
Softening temperature
1000-1100 deg C
Maximum section
160 mm
Tensile strength, min
490 MPa
Elongation, min
40 %
Rp0.2, min (when specified)
190 MPa
Rp1.0, min (when specified)
225 MPa
Sensitization period (see 1.15.6)
30 min
Hardness, max
183 HB
Straightening by reeling or cold rectification can increase the surface hardness above the specified maximum (note 36). 1 N/mm2 = 1 MPa.
Source: BS 970 (Part 1):1991, Table 11

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