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Stainless Steel · Plates · ASTM A240 S30815

SS 253 MA Stainless Steel Plates

In short: 253 MA plate to ASTM A240 S30815 is used for furnace walls, muffles, kiln parts, cyclones and heat-treatment fixtures.

S30815
UNS number
7.8
density, g/cm³
3.1 / 3.2
EN 10204 certificates
4
SS 253 MA product forms
Quote SS 253 MA plates →Sizes and weights
SS 253 MA plate weight per m²Calculated at 7.8 g/cm³: 3 23.40 kg/m²; 5 39.00 kg/m²; 6 46.80 kg/m²; 8 62.40 kg/m²; 10 78.00 kg/m²; 12 93.60 kg/m²; 16 124.80 kg/m²; 20 156.00 kg/m²; 25 195.00 kg/m²; 30 234.00 kg/m²; 40 312.00 kg/m²; 50 390.00 kg/m². SS 253 MA plate weight per m²7.8 g/cm³ 3: 23.40 kg/m²35: 39.00 kg/m²56: 46.80 kg/m²68: 62.40 kg/m²810: 78.00 kg/m²1012: 93.60 kg/m²1216: 124.80 kg/m²1620: 156.00 kg/m²2025: 195.00 kg/m²2530: 234.00 kg/m²3040: 312.00 kg/m²4050: 390.00 kg/m²50 390.0 Thickness, mm · kg/m²
Calculated values for estimating; actual weights vary within tolerances.

Why this combination

Why SS 253 MA in plates

Lean alloy (21Cr-11Ni) with Si, N and CeExcellent oxidation resistance to about 1,100 °CCreep strength higher than SS 310S at many temperaturesResists spalling under thermal cycling

Furnace hardware fabricated from plate benefits from 253 MA's oxidation resistance and strength at temperature.

Long holds at 600–850 °C can reduce toughness after service; consider that for parts handled cold.

Specification

How to specify SS 253 MA plates

Thickness about 3 – 150 mm (and heavier on request), widths 1,000 – 3,000 mm, lengths 2,000 – 12,000 mm; cut-to-size and profile-cut parts

SS 253 MA plates ASTM A240 S30815
SS 253 MA plates: ASTM A240 S30815
Specification
ASTM A240 S30815
UNS
S30815
EN / W.Nr.
1.4835
Designation
UNS S30815 / EN 1.4835

Sizes and weights

SS 253 MA plates sizes, weighed at 7.8 g/cm³

Other sizes on request. For general plates information, such as manufacturing routes and end finishes, see the plates guide.

SS 253 MA plate weights at 7.8 g/cm³
Thickness mmkg/m²1,500 × 6,000 plate, kg2,000 × 6,000 plate, kg
323.4211281
539.0351468
646.8421562
862.4562749
1078.0702936
1293.68421,123
16124.81,1231,498
20156.01,4041,872
25195.01,7552,340
30234.02,1062,808
40312.02,8083,744
50390.03,5104,680
65507.04,5636,084
80624.05,6167,488
100780.07,0209,360

Chemistry

SS 253 MA composition

UNS
S30815
EN / W.Nr.
1.4835 · X9CrNiSiNCe21-11-2
Density
7.8 g/cm³
SS 253 MA Stainless Steel chemical composition, % (ASTM A240 (S30815))
ElementLimit, %Why it matters
C0.05 – 0.10
Mn0.80 max
P0.040 max
S0.030 max
Si1.40 – 2.00
Cr20.0 – 22.0
Ni10.0 – 12.0
N0.14 – 0.20
Ce0.03 – 0.08

Limits per ASTM A240 (S30815); other product forms and specifications differ slightly. Your order's specification and edition govern.

0%5%10%15%20%25%30% Si Cr Ni
Main alloying elements of SS 253 MA Stainless Steel: bars show the permitted range (ASTM A240 (S30815)).

Questions

About SS 253 MA plates

Is 253 MA plate used in cement plants?

Yes, for cyclone and kiln-area components.

What thicknesses?

Typically 3–40 mm, others to order.

From enquiry to dispatch

How a SS 253 MA plates order runs

  1. 01 EnquiryGrade, specification, size, quantity
  2. 02 ReviewChecked against your standard
  3. 03 InspectPMI, dimensions, TPI if required
  4. 04 CertifyEN 10204 3.1 / 3.2, heat traceable
  5. 05 ShipPacked and documented for the destination

Need SS 253 MA plates?

Send size, quantity, specification and destination. We reply with availability, certificates and delivery.

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