Alleima® 6LR11 Billets

Datasheet updated

2022-06-29 13:55
(supersedes all previous editions)

Alleima® 6LR11 is an austenitic stainless chromium-nickel steel.

Standards

  • ASTM: 304
  • UNS: S30400
  • EN Number: 1.4301
  • W.Nr.: 1.4301
  • DIN: X 5 CrNi 18 10
  • SS: 2333
  • AFNOR: Z6CN18-09
  • BS: 304S31

Product standards

  • EN 10088-3
  • ASTM A-314

Suitable for production of flanges etc. according to ASTM A-182 Grade F304

Certificates

Status according to EN 10 204 3.1

Chemical composition (nominal) %

C Si Mn P S Cr Ni Mo Others
0.05 0.4 1.3 ≤0.040 ≤0.015 18.5 9.5 - -

Forms of supply

Sizes and tolerances

Round-cornered square, as well as round billets, are produced in a wide range of sizes according to the following tables. Larger sizes offered on request.

Surface conditions

Square billets

Unground, spot ground or fully ground condition.

Round billets

Peel turned or black condition.

Square billets
Size Tolerance Length
mm mm m
80 +/-2 4 - 6.3
100, 114, 126, 140, 150 +/-3 4 - 6.3
160, 180, 195, 200 +/-4 4 - 6.3
>200 - 350 +/-5 3 - 5.3

Sizes and tolerances apply to the rolled/forged condition.

Peel turned round billets
Size Tolerance Length
mm mm m
75 - 200 (5 mm interval) +/-1 max 10
>200 - 450 +/-3 3 - 8
Unground round billets
Size Tolerance Length
mm mm m
77 - 112 (5 mm interval) +/-2 max 10
124, 134 +/-2 max 10
127, 147, 157 +/-2 max 10
142, 152, 163 +/-2 max 10
168, 178, 188 +/-2 max 10
183, 193 +/-2 max 10

Other products

  • Hollow bar

Mechanical properties

For billets testing is performed on separately solution annealed and quenched test piece. The following figures apply on material in the solution annealed and quenched condition.

At 20°C (68°F)

Metric units
Proof strength Tensile strength Elong. Contr. HB
Rp0.2a) Rp1.0a) Rm Ab) Z
MPa MPa MPa % %




approx.
≥205 ≥230 515-680 ≥45 ≥50 170
Imperial units
Proof strength Tensile strength Elong. Contr. HB
Rp0.2a) Rp1.0a) Rm Ab) Z
ksi ksi ksi % %




approx.
≥29.5 ≥33.5 74.5-98.5 ≥45 ≥50 170

1 MPa = 1 N/mm2
a) Rp0.2 and Rp1.0 corresponds to 0.2% offset and 1.0% offset yield strength, respectively.
b) Based on L0 = 5.65√S0 , where L0 is the original gauge length and S0the original cross-section area.

The impact energy (Charpy V) at 20°C (68°F) is min 100 J (74 ft-lb).

At high temperatures

Metric units
Temperature Proof strength Tensile strength
Rp.02 Rp1.0 Rm
°C MPa MPa MPa
min. min. min.
100 155 190 450
200 127 155 400
300 110 135 380
400 98 125 380
500 92 120 360
Imperial units
Temperature Proof strength Tensile strength
Rp.02 Rp1.0 Rm
°F ksi ksi ksi
min. min. min.
200 23.1 28.1 66.1
400 18.3 22.4 57.9
600 15.7 19.3 55.1
800 14.0 17.9 54.3
1000 13.1 17.4 48.9

Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Alleima materials.