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Stainless Steel
Stainless Steel specifications held in the austenitic, martensitic and precipitation hardening varieties. Stocks are held in British Standard and International standards. Below is listed our most commonly supplied grades; please contact our sales office. Also stock is 301 stainless spring temper rolled strip.
Hi-Steel HSLA-80
Hi - Speed, high Speed Steel Tool Steel (made) : highly processed into the Tool Steel, carbon content high, while containing cr quantity is low (about 4%), reason burnish of Steel surface gloss darker, after heat can reach by HRc62 high hardness, resistance to rust performance not on a roll.
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Steel mould and Steel mould suppliers, global delivery, stock supply Steel mould steels.
Heat Resistant Steel
Heat resistant steel. AS Orlov Izobret. Mashinostr. 3, 48-49, 7/2000. The purpose of this work was to increase plasticity of heat resistant steel after aging at the 500-1300 deg C temperature and to improve its operational reliability.
Tool Steel
Comprehensive stocks held of tool steel, including hot work, cold work and plastic mould tool steel specifications. Below we detail our most common grades. Other British Standard and international special steels and tool steels are also available, please contact our sales office.
Ball Bearing Steel
Supplies Ball bearing steel of all types, along with carbon steel and specialty balls, to OEM's around the world. Also offers platinum balls, brass balls, gold, titanium, aluminum, carbon and plastic balls.
Spring Steel
Carbon spring steel is held in a wide range of sizes. Detailed below are our most common specifications. Carbon steel strip and spring steel sheet is available most commonly in the hardened and tempered condition, though certain sizes are available in the annealed condition. Round and flat bar is stocked in the as rolled condition. Most spring steel specifications are held to British Standard steel specifications including BS1449 & BS970.
Alloy and Carbon Steel
Alloy steel is steel alloyed with a variety of elements in total amounts of between 1.0% and 50% by weight to improve its mechanical properties. Alloy steels are broken down into two groups: low alloy steels and high alloy steels. The difference between the two is somewhat arbitrary: Smith and Hashemi define the difference at 4.0%, while Degarmo, et al., define it at 8.0 %.[1][2] Most commonly, the phrase "alloy steel" refers to "low alloy" steels.
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Home » Mould Steel » Product introduction
AISI P20 Mold Steel
- Numbers: 2011030503
- Model: AISI P20
- Producers: China
- Update time: 2011.03.05
- Browse:
Product Description:
AISI P20 Alloy Pre-Hardened Mold Steel
DESCRIPTION
A chrome-moly Tool steel made specifically to fill the requirements for the machined cavities and forces used in zinc die casting and plastic molding. Delivered fully quenched and tempered to approximately Brinell 300. Other hardness levels may be obtained through additional heat treatment.
ADVANTAGES
- Usually eliminates heat treating by customer
- Mold quality-electric furnace melted, vacuum degassed and ultrasonically inspected
- Good machinability
- Available in a wide range of sizes
- Deep hardening
- Uniform mechanical properties
TYPICAL ANALYSIS
CARBON ……………0.35 MANGANES ……………0.80
SILICON ……………0.50 CHROMIUM ……………1.70
MOLYBDENUM ……0.45
HEAT TREATMENT
For most zinc die casting and plastic molding operations, no further heat treatment is required. However, if the material is committed to reforging, or if higher hardness is required, or stress relieving is necessary after heavy machining, the following cycles are suggested:
STRESS RELIEVING…………………..1000°F, air cool
FORGING ………………………………..2000°F, stop at 1700°F and cool slowly
NORMALIZING ………………………...Do not normalize
ANNEALING ……………………………1450°F to 1500°F, furnace cool, Brinell 207 max.
HARDENING …………………………….1550 °F, oil quench to 150°F
TEMPERING ……………………………...300° to 400° F for Rockwell C-54/55
NITRIDING………………………………...1000° to 1025° F for 25 hours produces 0.025 in. case depth
CARBURIZING……………………………1700° F for 8 hr produces approx 0.05 in. case depth
MACHINABILITY
Has a machinability rating of 65 in the prehardened condition, as compared with a rating of 100 for a one percent carbon tool steel. For rehardening P20 should be annealed first.
TEMPERING RESULTS
The temperature varies with the size of the piece and the application. Following are results of tests performed on a 1in. round specimen quenched in oil from 1555F. For large sections, the mechanical properties may be somewhat lower requiring an adjustment in tempering temperature.
| Tempering Temperatures °F |
Hardness Rockwell C |
| 300 | 54 |
| 400 | 53 |
| 500 | 52 |
| 600 | 50 |
| 700 | 48 |
| 800 | 46 |
| 1000 | 41 |
| 1050 | 38 |
| 1100 | 35 |
| 1150 | 30 |
| 1200 | 26 |
Product description:
Step Shaft AISI P20 Tube AISI P20 Pie-shaped AISI P20 Ring AISI P20 Module Large valves of the main AISI P20 Other Profiled forgings AISI P20
Special Steel classification:
Stainless steel, Hi-Steel HSLA-80, Mould steel, Heat resistant steel, Tool steel, Ball bearing steel,Spring steel, Alloy steel, Construction steel, Die steel, High-speed steel, angles, channels, H steel, I-beams, welded pipes, seamless tubes,
Standard:
Our products meet Chinese GB, Japanese JIS, US ASTM, UK BS, EU DIN standards and so on.
Our advantages:
Our advantages such as advanced management and operation concepts, suitable work facilities, highly qualified talents and a number of trade partners who have long-term and close cooperation with us have ensured us to provide global customers with competitive high-quality commodities and excellent services, quickly, accurately, conveniently and completely.
Products Introduction:
Specifications
Round bar:
Diameter : 1mm-2000mm
Square bar:
Size: 50mm * 50mm-600mm *600mm
Plate steel/flat bar:
Size: Thickness: 0.1mm-800mm Width: 10mm to 1500mm
Tube/pipe:
Size: OD: 6-219mm WT: 1-35 mm.
Cold-rolled sheet: Thickness: 2-5mm Width:1000mm Length: 2000mm
Hot-rolled sheet: Thickness:6-80mm Width: 210-610mm
Length: We can supply any length based on the customer's requirement.
Forging/hot rolling/ extrusion of steel.
Forging: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes
Finished goods condition: hot forging/hot rolling + annealing/normalizing + tempering/quenching + tempering/any conditions based on the customer's requirement
Surface conditions: scaled (hot working finish)/ground/rough machining/fine machining/based on the customer's requirement
Furnaces for metallurgical processing: electrode arc + LF/VD/VOD/ESR/Vacuum consumable electrode.
Ultrasonic inspection: 100% ultrasonic inspection for any inperfections or based on the customer's requirement
Excellent service for all kinds of industries, with advantages of technologies, equipment and price.
We serve you with our honesty, integrity, and professionality.
