Rexton Steel & Alloys
Rexton Steel
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SA537 Cl1 plates are made from carbon steel and suitable to use in pressure vessel, tank, and heat exchnagers. SA 537 CL 1 equivalent material are EN 10028 P355NH, DIN 17155 HII, and JIS G3115 SPV355. These ASTM A537 pressure vessel quality plate comes in Normalized Heat Treatment with tensile strength 485 – 620 MPa. Weldability of these SA 537 CL 1 Pressure Vessel Steel Plates are good with SMAW, MIG, or TIG method. 3 main cutting methods can be used to cut ASTM A537 Class 1 Boiler Quality Plates like oxy-fuel, plasma, or laser.
Rexton Steel & Alloys is a genuine & reliable ASME SA537 Class 1 Plate suppliers in India. The company supply heavy steel plates as per ASTM A537 standard. Rexton Steel buy ASME SA537 class 1 material from leading renowned mills and manufacturers from Korea, Japan, Germany, India, and USA. These ASTM A537 CL1 plates are available at Rexton from 5mm to 100mm thickness. They can profile any size of SA 537 CL 1 Boiler Quality Plate as per the requirement.

ASME SA 537 Plate Specification
Width: Up to 123 Inch
Length: Up to 600 Inch
Thickness: 0.375 to 2 Inches
Quote within 24Hrs with Technical Data Sheet
Manufacturing method: Hot Rolled
100% Tested ASME SA537 Class 1 Plate supply with MTC EN 10204/3.1
Who they are?
ASME SA537 Class 1 Plate Supplier in India
Manufacturer of SA 537 CL 1 Plate in Mumbai
Stockist of SA 537 CL 1 Boiler Quality Plate in India
SA 537 CL 1 vs SA 516 Gr 70
| Property | SA 537 CL 1 Plate | SA 516 Gr 70 Plate |
|---|---|---|
| Material Type | Heat-treated carbon steel | Carbon steel |
| Yield Strength | 485 MPa (70 ksi) min | 260 MPa (37.8 ksi) min |
| Tensile Strength | 620 MPa (90 ksi) min | 515 MPa (74.7 ksi) min |
| Elongation | 16% | 20% |
| Applications |
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| Heat Treatment | Normalized and tempered | Normalized |
| Cost | Generally higher due to heat treatment | Typically lower cost |
SA 537 CL 1 Plate for Sour Gas Tank Construction

Application of SA 537 CL 1 Plate

ASTM A537 Class 1 Chemical Composition
| Properties | Value | |
|---|---|---|
| C | 0.24 max | |
| Ni | 0.25 | |
| Mo | 0.080 | |
| S | 0.035 | |
| Si | 0.15/0.50 | |
| P | 0.035 | |
| Cr | 0.025 | |
| Cu | 0.35 | |
| Mn | ≤ 40 mm | 0.70/1.35 |
| > 40 mm | 1.00/1.60 | |
SA 537 CL 1 Boiler Quality Plate Tested on High Temperature
Testing of A537 CL 1 Plates
| Test | Temperature Range |
|---|---|
| Tensile Testing | 20°C to 25°C or 68°F to 77°F |
| Impact Testing (Charpy V-Notch) | -40°C (-40°F) & room temperature (20°C to 25°C or 68°F to 77°F) |
| Hardness Testing | Room temperature |
| Hydrogen Induced Cracking (HIC) Testing | Ambient temperatures, with exposure to high temperatures in service |
| Heat Treatment Verification | 850°C to 900°C (1562°F to 1652°F) |
Why grade SA 537 CL 1 is known for Boiler Quality Steel?
Supplier & Manufacturer of Boiler Quality Steel Plate in India, get a free quote from Rexton Steel & Alloys.

Difference between ASTM A537 Class 1 and Class 2
| Property | ASTM A537 Class 1 | ASTM A537 Class 2 |
|---|---|---|
| Tensile Strength | 70 – 90 ksi (485 – 620 MPa) | 70 – 90 ksi (485 – 620 MPa) |
| Yield Strength | Min of 40 ksi (275 MPa) | Min of 50 ksi (345 MPa) |
| Elongation | Typically 18% in 8 inches (200 mm) | Typically 14% in 8 inches (200 mm) |
| Impact Toughness | Min of 20 ft-lbf (27 J) at -40°F (-40°C) | Min of 15 ft-lbf (20 J) at -40°F (-40°C) |
| Thickness Range | 4 inches (100 mm) | 6 inches (150 mm) |
| Heat Treatment | Normalized at 1650°F (900°C) | Normalized at 1650°F (900°C) |
| Chemical Composition |
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| Uses |
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| Service Temperature | Up to 900°F (482°C) | Up to 900°F (482°C) |
Price List of POSCO and Dillinger make ASTM A537 Class 1 Plates
Compare Price List of POSCO and Dillinger make ASTM A537 Class 1 Plates
| Plate Size | Thickness | Price in USD | Price in USD |
|---|---|---|---|
| mm | Dillinger | POSCO | |
| 1000 x 2000 | 6 | US $ 1,300 | US $ 1,150 |
| 1500 x 3000 | 10 | US $ 1,375 | US $ 1,225 |
| 2000 x 4000 | 15 | US $ 1,450 | US $ 1,300 |
Rexton Steel & Alloys is a Stockholder & Distributor of POSCO and Dillinger Plates in India. Rexton Steel & Alloys is buying ASTM A537 Class 1 material from leading manufacturers and renowned mills such as POSCO, JINDAL, JSW, Sumitomo, DILLINGER HUTTE, SABEC, and Dongkuk steel.
| Mills and Manufacturers | Origin |
|---|---|
| DILLINGER HUTTE | Germany |
| Dongkuk steel | Korea |
| POSCO | Korea |
| SABEC | KSA |
| JSW | India |
| JINDAL | India |
| Sumitomo | Japan |
| CORUS | UK |
| NLMK CLABECQ | Belgium |
| DUFERCO | Belgium |
| NIPPON STEEL | Japan |
| METIHBECT-ILYICH | Ukraine |
| McMASTER-CARR SUPPLY CO. | USA |
| ARCELOR | Luxembourg, Spain |
| HYUANDI STEEL | Korea |
Types of ASTM A537 Class 1 Steel Plate
ASME SA537 Class 1 Boiler Quality Plate
ASTM A537 CL 1 Carbon Steel Plates
A537 CL 1 Heavy Steel Plates
ASME SA537 Class 1 Pressure Vessel Plate
POSCO make SA 537 CL 1 Plates
Dillinger make SA537 Class 1 Plates
ASTM A537 Class 1 material
SA 537 CL 1 Sour Gas Resistant Plates
EN10028-1 SA 537 CL 1 Q&T plates
Dillinger Dicrest 5 Plates
HIC Tested SA 537 CL 1 plates
Sour Gas Resistant Plates
Sour Gas Resistant Plates Produced in Tensile Strength 485 MPa and Yield Strength of 345 MPa as per API 5L Specifications and EN 10028 Standard

Mechanical Properties of ASTM A537 CL.1 Plates
Any questions about mechanical properties. Please feel free to contact suppliers and stockist.
| Grade | Yield (MPa) | Heat Treatment | Tensile (MPa) | Elongation | Thickness | |
|---|---|---|---|---|---|---|
| A50mm | A200mm | |||||
| SA537 Class 1 | 345 | Normalized | 485/620 | 22% | 18% | ≤ 65 |
| 310 | 450/585 | 22% | 18% | > 65 ≤ 100 | ||
SA 537 CL 1 Equivalent Material
| American Standard | ASTM A537 CL1 ASME SA537 CL1 |
|---|---|
| Japanese | JIS G3115 SPV355 |
| Germany | DIN 17155 HII |
| European | EN 10028 P355NH |
Why is A537 CL 1 material most suitable for sour gas resistant plates?
ASTM A537 Class 1 material is well-suited for sour gas environments due to its combination of chemical and mechanical properties. Here are few points why it’s more suitable
- High Strength
- Good Toughness
- Heat Treatment
- Resistance to H2S Corrosion
- Fabrication and Welding
Why HIC Tested SA 537 CL 1 plates should be used in high temperature environments?
HIC full form is High Resistance to Hydrogen-Induced Cracking. HIC testing is important to ensure tensile strength, yield strength, and Durability. As SA 537 CL 1 plates are used in high temperature like in pressure vessels and heat exchangers. So, the HIC tested material can be used in critical applications without any risk of sudden failure.

A537 CL 1 Plates Sizes
| – | Thickness | Width | Length |
|---|---|---|---|
| CL 1 | 3/16″ to 4″ | 48″ to 120″ | Upto 480 inch |
Price List of ASTM A537 CL 1 Steel Plate ex Mumbai
Get Dillinger Dicrest 5 Plates at Dealer and Distributor Price in India
| Size | Price in USD |
|---|---|
| 10MM THICK 1200MM | US $ 493.85 |
| 6MM THICK 1200MM X2400MM | US $ 342.33 |
| 06 MM THK X 1500MM X 5600MM | US $ 12.65 |
ASTM A537 Class 1 Plate heat treatment
| Heat Treatment | Cooling Method | Temperature Range | |
|---|---|---|---|
| Air cooling | °C | °F | |
| Normalizing | 870 to 925 | 1600 to 1700 | |
| Tempering | 600 to 650 | 1112 to 1202 | |
Global Supply Network of Rexton Steel & Alloys
Rexton Steel & Alloys supply SA 537 cl 1 material in more then 26 countries. They can provide quick CIF price for the following countries. Get in touch with their sales team for value added services or custom fabrication work in India. For urgent delivery the company can supply SA537 class 1 plate by Air within 7 days. Below delivery estimate is given from JNPT Port, Mumbai (India).
| Export Country | Delivery Port | Delivery from Ex-Stock (Days) |
Delivery Estimate if material Not ready in Stock |
|---|---|---|---|
| United States | Port of Los Angeles, CA Port of New York and New Jersey, NY Port of Houston, TX Port of Savannah, GA Port of Long Beach, CA |
28-32 | 34-38 |
| Saudi Arabia | Jeddah Islamic Port, Jeddah King Abdulaziz Port, Dammam King Fahd Industrial Port, Jubail Yanbu Commercial Port, Yanbu Jizan Port, Jizan |
12-15 | 18-21 |
| Singapore | Port of Singapore | 8-10 | 14-16 |
| South Africa | Port of Durban Port of Cape Town Port of Richards Bay Port of Ngqura, Port Elizabeth Port of Saldanha Bay |
18-22 | 24-28 |
| Malaysia | Port Klang Port of Tanjung Pelepas, Johor Penang Port Kuantan Port Bintulu Port |
10-12 | 16-18 |
| Philippines | Port of Manila Port of Cebu Port of Davao Subic Bay Freeport Zone Batangas International Port |
10-14 | 16-20 |
| UAE | Port of Jebel Ali, Dubai Port Rashid, Dubai Port Khalifa, Abu Dhabi Port of Fujairah Port of Sharjah |
6-8 | 12-14 |
Company Profile
| Nature of Business | – |
|---|---|
| Import Export Code (IEC) | – |
| Legal Status of firm | – |
| GST No. | – |
Contact Info
| Contact Person | Mr. Sunny |
|---|---|
| Phone | +91 9619291607 |
| sunny@rextonalloys.in | |
| Mumbai Head Office | Rexton Steel & Alloys GRD C, Shop 10 Block C, Allahrakha, Khetwadi 9th, Girgaon, Mumbai, Maharashtra, 400004, India |

