What is S235JR (MS) plate used for?
S235JR is the base structural grade of EN 10025-2: 235 MPa minimum yield, 360–510 MPa tensile, 26% elongation and 27 J impact at +20 °C — weldable without preheat, easy to cut, bend and machine. As plate it is the material for base plates, gussets and stiffeners, machine frames and bases, tanks and hoppers, bins, chutes, truck bodies, temporary works, road plates and general fabrication. Where the engineer designs to 355 MPa, or needs −20 °C toughness, S355J2 plate is the step up; above 100 mm, or for slabs, see heavy plate.
Weight chart and standard sizes
| Thickness | kg/m² | 1 500 × 6 000 (kg) | 2 000 × 6 000 (kg) | 2 500 × 12 000 (kg) | Stock |
|---|---|---|---|---|---|
| 3 mm | 23.6 | 212 | 283 | — | Sheet & plate |
| 4 mm | 31.4 | 283 | 377 | — | Sheet & plate |
| 5 mm | 39.3 | 353 | 471 | — | Sheet & plate |
| 6 mm | 47.1 | 424 | 565 | 1 413 | Plate |
| 8 mm | 62.8 | 565 | 754 | 1 884 | Plate |
| 10 mm | 78.5 | 707 | 942 | 2 355 | Plate |
| 12 mm | 94.2 | 848 | 1 130 | 2 826 | Plate |
| 15 mm | 118 | 1 060 | 1 413 | 3 533 | Plate |
| 20 mm | 157 | 1 413 | 1 884 | 4 710 | Plate |
| 25 mm | 196 | 1 766 | 2 355 | 5 888 | Plate |
| 30 mm | 236 | 2 120 | 2 826 | 7 065 | Plate |
| 40 mm | 314 | 2 826 | 3 768 | 9 420 | Plate |
| 50 mm | 393 | 3 533 | 4 710 | 11 775 | Plate / order |
| 60–100 mm | 471–785 | — | — | — | Mill order |
Widths 1 500 / 2 000 / 2 500 mm; lengths 6 000 and 12 000 mm; other sizes cut.
Grade equivalents: S235JR, ST37, A36, SS400
Detailed chemistry, mechanical values by thickness and a direct S235JR vs A36 comparison are on our reference site (links below).
| Standard | Grade | Yield min | Tensile | Note |
|---|---|---|---|---|
| EN 10025-2 | S235JR | 235 MPa | 360–510 | Stock grade; JR = 27 J at +20 °C |
| EN 10025-2 | S235J2 | 235 MPa | 360–510 | 27 J at −20 °C, on request |
| DIN 17100 (old) | St37-2 | 235 MPa | 340–470 | Superseded by S235JR |
| ASTM | A36 | 250 MPa | 400–550 | Dual-certified on many heats |
| ASTM | A283 Gr. C | 205 MPa | 380–515 | Lower grade |
| JIS G3101 | SS400 | 245 MPa | 400–510 | Common in Gulf specs |
| GOST 380 | St3sp | 245 MPa | 370–480 | CIS specs |
Tolerances (EN 10029)
| Nominal thickness | Lower | Upper |
|---|---|---|
| 3 – 5 mm | −0.4 | +0.8 |
| 5 – 8 mm | −0.4 | +1.1 |
| 8 – 15 mm | −0.5 | +1.2 |
| 15 – 25 mm | −0.6 | +1.3 |
| 25 – 40 mm | −0.8 | +1.4 |
| 40 – 80 mm | −1.0 | +1.8 |
| 80 – 150 mm | −1.0 | +2.2 |
Class B (fixed −0.3 mm lower), C (no minus) and D on request; flatness class N; surface class A1 per EN 10163.
Cutting, bevelling and surface preparation
Laser to 25 mm (±0.1 mm, clean edge), HD plasma to 80 mm (±0.5 mm), oxy-fuel above 80 mm; bevels 30–45° for weld prep; drilling and countersinking; shot-blasting to Sa 2½ with zinc-silicate or epoxy shop primer 15–25 µm. Nested parts from DXF are delivered stacked and labelled; the remnant is yours or credited. Plate rolling into shells and cones is on the rolling and bending page.
Load and thickness — quick answers
Is a 3 mm plate strong? As a floor over 500 mm supports it carries about 2 kN/m² — foot traffic only; 5 mm carries 6 kN/m² over 1 m; 10 mm carries 24 kN/m² over 1 m (S235, deflection L/200). Base plates under columns are 15–40 mm; road plates 20–25 mm (1 500 × 3 000); tank shells 6–12 mm; machine bases 20–50 mm. Our load-capacity guide covers plate bending, and the project engineer confirms.
MS plate price per ton
Indicative FOB Istanbul band from our weekly export list, S235JR 3–20 mm, full-container quantities; 25–50 mm plate is priced on request per mill lot, cutting and priming per piece.
Bands from our weekly export list (September 2026), FOB Istanbul, full-container quantities, excluding freight and certificates. Firm price per project on RFQ within one working day.
Export and packing
Plates stacked to 5 t packs on skids, strapped; 6 m plates load into 40' HC (max 24–25 t, 4–6 packs); 12 m plates by flat-rack or breakbulk. HS code 7208.51 (>10 mm), 7208.52 (4.75–10 mm), 7208.53/.54 (<4.75 mm).
| Term | Detail |
|---|---|
| MOQ | 1 × 20' (≈20 t) or 1 truck (24 t); breakbulk from 100 t |
| Incoterms | FOB Istanbul / Derince · CIF / CFR Gulf, Africa · DAP EU, Balkans, Iraq, Caucasus |
| Lead time | Stock 5–10 working days; cutting +3–7; mill order 3–5 weeks |
| Packing | Packs to 5 t on skids, strapped; corner protectors for primed plate |
| Container / truck | 20' ≈ 20 t (plate ≤ 5.8 m) · 40' HC ≈ 24–25 t (6 m) · flat-rack / breakbulk 12 m |
| Documents | Invoice, packing list per plate, EN 10204 3.1, CE, certificate of origin; UT, 3.2, SASO / SONCAP / COC / EAC on request |
| Payment | 30% advance, balance against B/L copy; L/C at sight via London office |
Certificates
EN 10204 3.1 per plate/heat, CE per EN 10025, certificate of origin; 3.2 with third-party witness on request; SASO, SONCAP, COC, EAC arranged before loading; ultrasonic testing (EN 10160) for plate ≥ 6 mm on request.
How to order
Send thickness × width × length (or DXF nesting), quantity in tons or pieces, surface (mill / blasted / primed) and port. Reply within one working day with price, plate list, gross weight and containers; stock plate loads in 5–10 working days.
Standards
- EN 10025-2 (S235JR / J0 / J2)
- EN 10029 (tolerances for plate ≥ 3 mm)
- EN 10163 (surface condition)
- ASTM A36 / A283 Gr. C
- JIS G3101 SS400
- GOST 380 St3sp
Grades
Grade data sheets (chemistry, mechanicals, equivalents) are on our reference site: S235JR · St37 · A36 · S235JR vs A36
Frequently asked questions
What is MS plate?
Mild steel plate — low-carbon structural plate, in Europe S235JR (or S275JR), in the US A36, in Japan SS400. Weldable, formable, 235–250 MPa yield, 3 mm and up.
Is S235JR the same as ST37 and A36?
S235JR replaced DIN St37-2 with the same yield; A36 has 250 MPa yield and is dual-certified on many heats. Chemistry limits differ slightly — see the comparison on steelstandart.com.
What is the standard size of a steel plate?
1 500 × 6 000 and 2 000 × 6 000 mm are the stock sizes; 2 500 × 12 000 mm from the mill; any smaller size is cut. Sheets under 3 mm are 1 250 × 2 500 or 1 500 × 3 000.
Is a 3 mm steel plate strong?
For foot traffic over 500 mm supports yes (about 2 kN/m²); for floors and machinery no — 5–10 mm on 1 m supports is typical. As a panel or tank skin 3 mm S235JR is standard.
What is the price of steel plate in KSA / the Gulf?
Landed Dammam or Jebel Ali in container quantity, Turkish S235JR plate is typically 10–15% under local stockist prices; sea freight adds 40–60 USD/t and duty 5% (KSA 5–15% by HS code). We quote CIF per ton within one working day.
How much does a 10 mm plate weigh?
78.5 kg/m²: 1 500 × 6 000 = 707 kg, 2 000 × 6 000 = 942 kg, 2 500 × 12 000 = 2 355 kg.
Can you cut plate to my drawing?
Yes — laser to 25 mm, plasma to 80 mm, flame above, with bevels, drilling and shop primer, nested from your DXF; parts ship labelled with the plate order.
What tolerance does the plate come in?
EN 10029 class A (e.g. 10 mm: −0.5/+1.2 mm); class B, C or D on request; flatness N; surface A1. ASTM A6 tolerances for A36 orders.