A387 Pressure Vessel Steel Plate
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A387 Pressure Vessel Steel Plate - Technical Overview & Specifications
ASTM A387 Boiler vessel plates are chrome-molybdenum alloy steel plates suitable for welding boilers and high temperature pressure vessels. ASTM A387 boiler container plate is divided into grade 5, grade 9, grade 11, grade 12, grade 22, grade 91 and other grades according to the alloy elements contained. Except for grades 21L, 22L, 91 and 911, each grade of ASTM A387 boiler vessel plate has two tensile strength categories according to its heat treatment: Class 1 and Class 2.
Product Parameters
| Product Name | A387 Pressure Vessel Steel Plate |
| Production Process | Hot Rolling , Cold Rolling |
| Material Standards | AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, etc. |
| Width | 100mm-3000mm |
| Length | 1m-12m, or Customized Size |
| Thickness | 0.1mm-400mm |
| Delivery Conditions | Rolling, Annealing, Quenching, Tempered or Standard |
| Surface Process | Ordinary , Wire Drawing , Laminated Film |
Mechanical Properties
| A387 | Category | Tensile Strength Mpa | Yield Strength Mpa | Elongation Gauge length 2in.[50mm]% |
|---|---|---|---|---|
| Level 5 | Section Category 1 | 415-585 | 205 | 18 |
| Section Category 2 | 515-690 | 310 | 18 | |
| Level 9 | Section Category 1 | 415-585 | 205 | 18 |
| Section Category 2 | 515-690 | 310 | 18 | |
| Level 11 | Section Category 1 | 415-585 | 240 | 22 |
| Section Category 2 | 485-620 | 310 | 22 | |
| Level 12 | Section Category 1 | 380-550 | 230 | 22 |
| Section Category 2 | 450-585 | 275 | 22 | |
| Level 22 | Section Category 1 | 415-585 | 205 | 18 |
| Section Category 2 | 515-690 | 310 | 18 |
International Standard Grade Comparison
| American Standard ASTM | European Standard ASME | German Standard EN 10028 | English standard DIN | Legal standard BS | Russian standard AFNOR 36206 |
|---|---|---|---|---|---|
| A387 5 | SA387 5 | X12CrMo5 | - | - | - |
| A387 9 | SA387 9 | - | - | - | - |
| A387 11 | SA387 11 | 13CrMoSi5-5 | - | 621B | - |
| A387 12 | SA387 12 | 13CrMo4-5 | 13CrMo44 | 620B | 15CD2.05 |
| A387 22 | SA387 22 | 10/11CrMo9-10 | 10CrMo9-10 | 622-515B | 12CD9-10 |
| A387 91 | SA387 91 | 10CrMoVNb9-1 | - | -- | - |
Product Features & Advantages
- Manufactured to ASTM, AISI, JIS, GB, DIN, EN, etc. with strict dimensional tolerance and surface quality
- Reliable Carbon Steel Plate solution for construction, machinery and industrial projects
- Custom processing available: cutting, bending, decoiling, slitting and surface polishing
- Mill Test Certificate (MTC) and full inspection provided
Applications & Industries
Customer Reviews & Mill Quality Audits
Overall Satisfaction from Global EPC & Steel Buyers
EN 10204 3.1 Chemical & Tensile Verification Passed
SGS, BV & Cotecna Third-Party Audits Supported
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