The European steel standard well known for pressure vessel purposes is EN 10028-2 which includes chrome moly plates.
The overall designation of the standard is "flat products made of steels for pressure purposes.
Non-alloy and alloy steels with detailed improved temperature properties.
Chrome moly material grades with various portions of chromium and molybdenum.
Extensively equal to the ones inside the American standard ASME SA387 and ASTM A387
EN 10028-2 chrome moly plate.
Champak Industries supplies chrome moly plates to EN 10028-2, 16MO3 PLATE, 13CRMO45 PLATES, 10CRMO910 PLATES and, when required by our customers, can offer cut to size plates and profiles to meet exact requirements.
The tables below give records referring to the chrome moly grades that are to be had Champak Industries.
In plain terms: EN 10028-2 is titled “Flat products made of steels for pressure purposes – Part 2: Non-alloy and alloy steels with specified elevated temperature properties”. Its chrome moly grades are broadly comparable to ASTM A387 / ASME SA387 grades, but not equal: the two standards differ in requirements and testing, so one cannot replace the other without approval. The tables list seven grades; 16Mo3, 13CrMo4-5 and 10CrMo9-10 have their own pages, and the others can be requested.
EN 10028-2 Chrome Moly Plates: Quick Buying Information
| Buying item | Information to specify |
|---|---|
| Standard | EN 10028-2 and the edition year; EN 10028-1 general requirements apply. |
| Grade | Steel name or material number, for example 13CrMo4-5 / 1.7335. |
| Delivery condition | +N, +NT or +QT as the standard allows for the grade and thickness. |
| Dimensions and tolerance | Thickness × width × length in mm and the EN 10029 thickness-tolerance class. |
| Options and tests | Impact-test temperature, elevated-temperature proof stress verification, ultrasonic testing (for example EN 10160) and any simulated PWHT. |
| Documents and processing | EN 10204 3.1 or 3.2 inspection document, inspection agency, cutting drawing and edge preparation. |
Explore Our EN 10028-2 Grades
1.5415
16MO3 Plates
0.3% molybdenum steel for boilers and pressure vessels at moderately elevated temperature. Usually supplied normalized (+N).
View 16MO3 Plates
1.7335
13CRMO45 Plates
1Cr–½Mo steel (13CrMo4-5) for high-temperature pressure equipment. Usually supplied normalized and tempered (+NT).
View 13CRMO45 Plates
1.7380
10CRMO910 Plates
2¼Cr–1Mo steel (10CrMo9-10) for boilers, pressure vessels and hot-service equipment. Supplied +NT or +QT depending on thickness; specify the impact-test temperature.
View 10CRMO910 PlatesAlso in the tables below and available on request: 13CrMoSi5-5 (1.7336), 12CrMo9-10 (1.7375), X12CrMo5 (1.7362) and X10CrMoVNb9-1 (1.4903).
EN 10028-2 Grades Compared with ASTM A387
| EN 10028-2 grade | Material no. | Nominal chemistry | Comparable ASTM grade |
|---|---|---|---|
| 16Mo3 | 1.5415 | 0.3% Mo | C–½Mo plate (ASTM A204), not an A387 grade |
| 13CrMo4-5 | 1.7335 | 1% Cr – 0.5% Mo | A387 Grade 12 |
| 13CrMoSi5-5 | 1.7336 | 1.25% Cr – 0.5% Mo, higher Si | A387 Grade 11 |
| 10CrMo9-10 | 1.7380 | 2.25% Cr – 1% Mo | A387 Grade 22 |
| 12CrMo9-10 | 1.7375 | 2.25% Cr – 1% Mo, higher strength | A387 Grade 22 Class 2 (approximate) |
| X12CrMo5 | 1.7362 | 5% Cr – 0.5% Mo | A387 Grade 5 |
| X10CrMoVNb9-1 | 1.4903 | 9% Cr – 1% Mo with V and Nb | A387 Grade 91 |
Comparable chemistry is shown for orientation only. The standards differ in strength levels, thickness ranges, impact and elevated-temperature requirements; use the grade and standard approved in your design. ASTM grades are on our SA 387 Chrome Moly Steels page.
How to Select the Right EN 10028-2 Grade
- Design temperature
- Thickness
- Impact temperature
- Design code
- PWHT
16Mo3 suits moderately elevated temperatures; 13CrMo4-5 and 13CrMoSi5-5 cover higher temperatures; 10CrMo9-10 is used for hotter service and hydrogen duty; X10CrMoVNb9-1 gives the highest creep strength. EN 10028-2 sets strength values that fall with thickness and gives minimum 0.2% proof strength at elevated temperatures, so check the values for your thickness and design temperature. The project engineer's approved grade and specification decide suitability.
Chemical Requirements
(cast analysis, % by mass, maximum permitted unless indicated otherwise)
| 16MO3 | 13CRMO4-5 | 13CRMOSI5-5 | 10CRMO9-10 | 12CRMO9-10 | X12CRMO5 | X10CRMOVNB9-1 | |
|---|---|---|---|---|---|---|---|
| C | 0.12-0.20 | 0.08-0.18 | 0.17 | 0.08-0.14 | 0.10-0.15 | 0.10-0.15 | 0.08-0.12 |
| Si | 0.35 | 0.35 | 0.50-0.80 | 0.50 | 0.30 | 0.50 | 0.50 |
| Mn | 0.40-0.90 | 0.40-1.00 | 0.40-0.65 | 0.40-0.80 | 0.30-0.80 | 0.30-0.60 | 0.30-0.60 |
| P | 0.025 | 0.025 | 0.015 | 0.020 | 0.015 | 0.020 | 0.020 |
| S | 0.010 | 0.010 | 0.005 | 0.010 | 0.010 | 0.005 | 0.005 |
| N | 0.012 | 0.012 | 0.012 | 0.012 | 0.012 | 0.012 | 0.03-0.07 |
| Cr | 0.30 | 0.70-1.15 | 1.00-1.50 | 2.00-2.50 | 2.00-2.50 | 4.00-6.00 | 8.00-9.50 |
| Cu | 0.30 | 0.30 | 0.30 | 0.30 | 0.25 | 0.30 | 0.30 |
| Mo | 0.25-0.35 | 0.40-0.60 | 0.45-0.65 | 0.90-1.10 | 0.90-1.10 | 0.45-0.65 | 0.85-1.05 |
| Nb | - | - | - | - | - | - | 0.06-0.10 |
| Ni | 0.30 | - | 0.30 | - | 0.30 | 0.30 | 0.30 |
| V | - | - | - | - | - | - | 0.18-0.25 |
Reading the chemistry table: Single values are maximums and ranges give both limits. Grade names are shown in capitals; in the standard they are written 16Mo3, 13CrMo4-5, 13CrMoSi5-5, 10CrMo9-10, 12CrMo9-10, X12CrMo5 and X10CrMoVNb9-1. These are cast (ladle) analysis limits; product analysis tolerances also apply. The inspection document shows the actual heat analysis.
Mechanical Properties
Mechanical properties for plates thicker than 16 mm up to 40 mm thick applicable to the transverse direction
| YIELD (MPA) | TENSILE (MPA) | ELONG. A (%) | IMPACT (J)* | |
|---|---|---|---|---|
| 16Mo3 | 270 min | 440 - 590 | 22 min | 31 min |
| 13CrMo4-5 | 290 min | 450 - 600 | 19 min | 31 min |
| 13CrMoSi5.5 | 310 min | 510 - 690 | 20 min | 34 min |
| 10CrMo9-10 | 300 min | 480 - 630 | 18 min | 31 min |
| 12CrMo9-10 | 355 min | 540 - 690 | 18 min | 70 min |
| X12CrMo5 | 320 min | 510 - 690 | 20 min | 40 min |
| X10CrMoVNb9-1 | 445 min | 580 - 760 | 18 min | 40 min |
Using these values: “13CrMoSi5.5” should read 13CrMoSi5-5. The values apply only to plate over 16 mm up to 40 mm thick; EN 10028-2 gives lower values for thicker plate and, for some grades, different values for each delivery condition. The asterisk on “IMPACT (J)” has no footnote on this page: the standard sets the impact energy at a stated test temperature, so state the temperature you need in the order.
Standards and Order References
| Reference | Role in an EN 10028-2 order |
|---|---|
| EN 10028-2 | Grades, chemistry, delivery conditions, room- and elevated-temperature properties |
| EN 10028-1 | General requirements for pressure-purpose flat products, including ordering options |
| EN 10029 | Tolerances on dimensions, shape and mass of hot-rolled plate (thickness classes A–D) |
| EN 10204 | Inspection documents: 3.1 or 3.2 |
| EN 10160 | Ultrasonic testing of plate, where specified |
Plate Sizes, Tolerances and Delivery Condition
- Thicknessup to 100 mm
- Widthup to 2500 mm
- Lengthup to 12000 mm
These are the chrome moly plate dimensions listed on our Chrome Moly Plates page; ask for availability against the exact grade and size. State the EN 10029 thickness-tolerance class and the delivery condition: +N (normalized), +NT (normalized and tempered) or +QT (quenched and tempered), as permitted for the grade and thickness.
Applications and Service Requirements
| Application | Grades to evaluate | Selection input |
|---|---|---|
| Boiler drums, headers and steam vessels | 16Mo3, 13CrMo4-5, 10CrMo9-10 | Design temperature, thickness and code (for example EN 12952) |
| Pressure vessels and heat exchangers | 13CrMo4-5, 13CrMoSi5-5, 10CrMo9-10 | Process temperature, pressure and PWHT (for example EN 13445) |
| Hydrogen-service reactors | 10CrMo9-10, 12CrMo9-10 | Hydrogen partial pressure, temperature and supplementary tests |
| High-creep-strength power equipment | X10CrMoVNb9-1 | Creep design life, heat treatment and welding procedure |
These are material application examples, not a list of supplied projects.
Cut-to-Size Plates, Welding and PWHT
As stated above, EN 10028-2 plate can be supplied as cut-to-size plates and profiles. Our cutting services include plasma cutting. Send the grade, thickness, drawing, quantity and tolerances, and say whether edges will be bevelled or welded; Cr-Mo edges often need preheating before thermal cutting.
Welding consumables
Matching consumables are normally used, for example Mo-type for 16Mo3, CrMo1 for 13CrMo4-5 and CrMo2 for 10CrMo9-10 (ISO 3580 / ISO 21952 designations). Low-hydrogen practice is essential; the qualified WPS sets the consumable.
Preheat and PWHT
Preheat and post-weld heat treatment follow the design code and WPS and rise with chromium and molybdenum content. Give us the PWHT cycle if test pieces must be heat treated before testing.
Testing, Inspection Documents and Traceability
State the inspection document and test scope with the RFQ. A plate inspection document and the company's quality-system certification are different documents.
| Requirement | What to identify in the order |
|---|---|
| Inspection document | EN 10204 3.1 or 3.2 showing grade, delivery condition, cast analysis, tensile and impact results |
| Impact test | Test temperature and minimum energy, if different from the standard |
| Elevated-temperature proof stress | Verification at a stated temperature, where your code requires it |
| Ultrasonic and PWHT | UT standard and class (for example EN 10160); heat treatment of test pieces to your PWHT cycle |
| Traceability and inspection | Cast and plate number on plate and document, transfer to cut pieces, and buyer or third-party inspection |
Review our Quality Policy and include your project inspection requirements in the enquiry.
Why Source EN 10028-2 Plates from Champak Industries?
Our Mumbai service centre supplies EN 10028-2 plate alongside ASTM A387 / ASME SA387 plate, so projects that specify European and American grades can be covered in one enquiry. Plate can be cut to size and profiles to your drawings. See Chrome Moly Plates for the full chrome moly range and Company Profile for the wider supply offering.
EN 10028-2 Plate Price and Quotation
Price depends on the grade, delivery condition, thickness, plate size, quantity, impact and ultrasonic testing, cutting, inspection, packing and destination. Higher-alloy grades and quenched-and-tempered plate cost more. Send a complete requirement for a quotation stating the price basis, tax/freight treatment and validity.
Domestic Dispatch and Export Requirements
For domestic orders, give the delivery address and unloading requirements. For exports, specify the destination, delivery terms, packing and marking instructions and the shipping documents required, with your required delivery date.
We Supply EN-10028-2 Chrome Moly Steels in listed cities in India
Mumbai, Lucknow, Coimbatore, Imphal, Mysore, Ratlam, Delhi, Kanpur, Darjeeling, Jalandhar, Nagpur, Solapur, Kolkata, Allahabad, Dehradun, Jammu, Nashik, Srinagar, Chennai, Ahmedabad, Faridabad, Jamshedpur, Bhadravati, Chattisgarh, Durgapur, Asansol, Hospet, Bellary, Visakhapatnam, Nellore, Surat, Bangalore, Chandigarh, Ghaziabad, Jhansi, Patna, Siliguri, Hyderabad, Stainless Steel Pipe dealers in Salem, Amritsar, Noida, Kochi (Cochin), Mangalore, Indore, Vadodra, Bhubaneswar, Bikaner, Bhavnagar, Tirupur, Ankleshwar, Warangal, Agartala, Thoothukudi, Stainless Steel Pipe suppliers in Pune, We offer fastest delivery in India including Thiruvanthapuram, Jaipur, Aizawl, Guwahati, Kozhikode, Raipur, Vishakhapatnam, Jabalpur, Bhopal, Gwalior, Ludhiana, Rajahmundry, Thane, Agra, Bhubaneshwar, Gurgaon, Madurai, Rajkot, Varanasi, Bhilai, Haridwar, Meerut, Ranchi, Ahmednagar, Akola, Amravati, Aurangabad, Baramati, Beed, Bhandara, Bhiwandi, Buldhana, Chandrapur, Chimur, Dahanu, Dhule, Dindori, Erandol, Gadchiroli, Hatkanangle, Hingoli, Ichalkaranji, Jalgaon, Jalna, Karad, Khed, Yavatmal, Kolaba, Kolhapur, Kopargaon, Latur, Malegaon, Mumbai, Nagpur, Nanded, Nandurbar, Nashik, Osmanabad, Pandharpur, Parbhani, Rajapur, Ramtek, Ratnagiri, Raver, Sangli, Satara, Shirdi, Shirur, Solapur, Thane, Wardha, Washim, Andhra Pradesh, Jammu and Kashmir, Nagaland, Uttarakhand, Haryana, Lakshadweep, Arunachal Pradesh, Jharkhand, Odisha, West Bengal, Himachal Pradesh, Assam, Karnataka, Punjab, Andaman and Nicobar Islands, Puducherry, Bihar, Kerala, Rajasthan, Chandigarh, Meghalaya, Chhattisgarh, Madhya Pradesh, Sikkim, Dadar and Nagar Haveli, Mizoram, Goa, Maharashtra, Tamil Nadu, Daman and Diu, Tripura, Gujarat, Manipur, Telangana, Delhi, Uttar Pradesh in India.
Location note: The phrases “Stainless Steel Pipe dealers in Salem” and “Stainless Steel Pipe suppliers in Pune” in the list above refer to the cities of Salem and Pune. This page does not cover stainless steel pipe.
We Supply and Export in listed Country
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Frequently Asked Questions About EN 10028-2 Chrome Moly Steels
01What is EN 10028-2?
EN 10028-2 is the European standard for flat products of non-alloy and alloy steels for pressure purposes with specified elevated-temperature properties. It covers chrome moly grades such as 13CrMo4-5 and 10CrMo9-10.
02Which EN 10028-2 grades have their own pages?
16Mo3, 13CrMo4-5 and 10CrMo9-10. 13CrMoSi5-5, 12CrMo9-10, X12CrMo5 and X10CrMoVNb9-1 are shown in the tables and can be requested.
03Is 13CrMo4-5 the same as ASTM A387 Grade 12?
They have comparable 1Cr–½Mo chemistry, but the standards differ in strength levels and testing. Do not substitute one for the other without approval under your design specification.
04Is 10CrMo9-10 equivalent to Grade 22?
Both are 2¼Cr–1Mo steels with comparable nominal chemistry, but they are made to different standards. Use the grade your design code and drawings specify.
05What do +N, +NT and +QT mean?
They are delivery conditions: +N normalized, +NT normalized and tempered, and +QT quenched and tempered. EN 10028-2 sets which conditions apply to each grade and thickness.
06Why do the mechanical values depend on thickness?
Thicker plate cools more slowly during heat treatment, so EN 10028-2 sets lower minimum strength for thicker ranges. The table on this page applies to plate over 16 mm up to 40 mm thick.
07Is 16Mo3 a chrome moly steel?
No. 16Mo3 is a molybdenum steel with about 0.3% molybdenum and no chromium addition, but it is used for similar elevated-temperature pressure equipment and is listed with this range.
08Which inspection document should I request?
Pressure-equipment projects usually request EN 10204 3.1, or 3.2 where a third-party inspector must witness testing. State the impact temperature and any other tests needed.
09Can EN 10028-2 plate be cut to size?
Yes. Cut-to-size plates and profiles can be supplied to your drawings. Send the thickness, quantity, tolerances and edge preparation.
10How do I obtain a price and delivery offer?
Send the grade, delivery condition, dimensions, quantity, tests, cutting needs, destination and required date through the form below, by WhatsApp or by phone.