Introduction of Manganese Steel ASTM A128 GR B-2
ASMT A128 Grade B-2 is Manganese steel for abrasive casting application. Some website define it as “UNS J91129” but we cannot find this number in standard.
Manufacture Process for Manganese Steel ASTM A128 GR B-2
- Sand Casting
- Shell Casting
- Lost Foam Casting
- Investment Casting (Lost Wax Casting, Precision Casting)
Our Services
- Sand Casting
Casting Quality focus on Metal Parts industry, we provide professional service in Metal Casting field.
Sand Casting is a popular metal form method, are suitable for all materiel, such as grey iron, ductile iron, malleable iron, carbon steel, stainless steel, aluminum and bronze.
- Investment Casting
Also named as precision lost wax casting, mainly suitalbe for carbon steel and stainless steel parts. We also provide grey iron and ductile iron and aluminum and bronze parts by investment casting. It can achieve the best appearance with good tolerance
- Shell Casting
Shell casting method is a good option to replace investment casting and sand casting. the quality is better than sand casting parts, suitable for bulk production.
- Permanent Mold Casting
For aluminum parts and Brozne parts
- CNC Machining
CNC Milling, CNC turning with 5 xix CNC center, we provide precision machining for all castings based on customers design drawings.
- CAD Design
Mechanical Design service based on customers requirement, our software is Solidworks and AutoCAD.
- Tools/Mold Design
Mould design and production will be served for metal casting ad plastic injection industry. Based on our more than 10 years experience, we supply professional molds for our customers in Europe and North American.
PDF VIEWStandard of Manganese Steel
ASTM A128 / A128M – 93(2017) Standard Specification for Steel Castings, Austenitic Manganese
Manganese Steel ASTM A128 GR B-2 Equivalent Material Grades
- GB/T 5680 Grade ZGMn13-1
- JIS 5131 Grade SCMnH1
- ISO 13521 Grade GX120Mn13
Manganese Steel ASTM A128 GR B-2 Material Property
Density: 7.8 kgs/dm3
Manganese Steel ASTM A128 GR B-2 Chemical Composition Requirements
Carbon: 1.05-1.20
Manganese: 11.5-14.0
Silicon: 1.00 max
Phosphorus: 0.070 max
Manganese Steel ASTM A128 GR B-2 Mechanical Property
No Mechanical Property required in ASTM A128 standard.
Manganese Steel ASTM A128 GR B-2 Heat Treatment Requirement
Grade B1 shall be suitably heat treated to achieve toughness and ductility. This heat treatment shall consist of uniformly heating the castings to a temperature applicable for grade of steel produced, at least 1800°F [1000°C], and holding until the temperature is uniform throughout and quenching in an applicable medium, normally water.
For further machining, anneal is recommended at the temperature from 900 to 1100°F [500 to 600°C].
ASTM A128 Grade B-2 WELDABILITY
Manganese steel do not have good welding performance. No preheat required and control the temperature in 300 °C to avoid brittle, welded after quenching.
Manganese Steel ASTM A128 GR B-2 Application
the material is mainly used as wear-resistant steel castings, such as impact curtain, crushing chamber, crushers, blow bars, impact plates, side liners
Manganese steel Machinability:
Bad. Must be operated with high quality ceramic cutting tools
As a professional manufacturer in China, We Casting Quality focus on Metal Parts OEM industry, and provide solutions and services in Metal Casting field as following:
- Sand Casting
- Investment Casting, Lost Wax process
- Shell Casting
- Lost Form Casting
- CNC Machining
- CAD Design
- Tools/Mold Design
Material Supplied
- Cast Iron Castings (Grey Iron, Malleable Iron, Ductile Iron)
- Carbon Steel and Alloy Steel Castings
- Stainless Steel and Duplex Stainless Steel Castings
- Aluminum Castings
- Bronze and Brass Castings
- Titanium and Cobalt Alloy Castings
What We Can Do
- Design Ability
Our engineers will help you to improve the designs based on casting technology, then The simulation software will be processed to verify the casting pouring system. Pro/E, Solidworks, AutoCAD and ProCast are available in Casting Quality Industrial.
- Saving Cost
Some manufacture processes may lead high cost. We will analyse the designs and advise the suitable methods to our customers. The best solution will be adopted.
- Quality Control
From the raw material selecting to bulk production processing, all procedures will follow PPAP program if necessary. The certificates will be provided including chemistry, hardness, mechanical property or NDT testing.
- Production Capacity
The max iron/steel castings can reach 30tons in weight, meanwhile the minus casting is around 1gram only.
We also have prototyping and 3D scanning ability for sample plan.
- Logistic Service
The products will be delivered directly to customer’s workshop, which will save plenty of work for clients.