Home > Products > Plastic Mould Steel > Top Quality for 1.2738 Plastic Mould Steel plate
Top Quality for 1.2738 Plastic Mould Steel plate
- 1000 Ton / Tons per Month
- Shanghai
- T/T
- 30 days
Product Details
Brand Name: | CWS-Steel | Place of Origin: | China | Model Number: | cws-02 |
Type: | Steel Plate | Application: | Other, Mold &Die | Surface Treatment: | Other, Uncoated |
Technique: | Hot Rolled | Standard: | AISI, DIN, GB | Grade: | 1.2738/P20+Ni/4Cr2MoNi |
Special Use: | Other, mould steel |
Product Description
1.2738 Plastic Mould Steel
Steel-making Condition: EF, EF/EAF+LF+VD, EF/EAF+ESR
Delivery Condition:
Annealed , Quenched + Tempered
Surface Condition:
Black, Grinded, Peeled, Rough turned, Polished
Features:
1.Competitive price
2.Immediate delivery
3.Premium quality
4.Reliable service
5.MOQ: 1 Ton
Heat Treatment:
Annealing:
Annealing temperature: 710 ~ 740 °C, holding time is decided by the thickness of the DIN 1.2738 die steel, one hour per 25mm. Colding in furnace after thermal insulation.
Destressing: Heating temperature: 600 °C (annealed condition), 550 °C (quenching and tempering state), holding time is decided by the thickness of the 1.2738 steel, one hour per 50mm. Colding in furnace after thermal insulation.
Quenching and tempering:
Preheating temperature 500 ~ 600 °C, quenching temperature 840 ~ 880 °C, holding 30min (the mold have to quenching in the protective gas to prevent oxidation and decarbonization). Oil cooling, cooling to 50 ~ 70 °C,immediately tempered. Tempering holding time is decided by the thickness of the 1.2738 steel mould, one hour per 25mm, at least 2h. Tempering temperature: 180 °C / 200 °C / 300 °C / 400 °C / 500 °C / 600 °C, the hardness: 52HRC / 51HRC / 48 HRC / 46HRC / 42HRC / 34HRC.
Applications:
Large plastic moulds with deep engravings and intensive impacts on the core. 1.2738 Pre
hardened Plastic Mold Steel is the logical development of 1.2311, a pre-hardened plastic mould steel for use in large moulds, which also have to display high core strength. The additional nickel content of 1 % increases through hardening. 1.2738 is a micro-alloyed, vacuum-degassed steel with the following excellent features: good machinability, outstanding polishability, good texturing properties.
Introduction:
1.2738 Pre-hardened Plastic Mould Steel, hardness in as-delivered condition 280 to 325 HB. Good machinability, suitable for texturing, improved through hardening in comparison to 1.2311, good polishability.
We are the leading manufacture and supplier of mould steel in China, we can provide the below:
1. High Quality
2. Various Type and Specification
3. Competitive Price
4. Perfect Service
5. On Time Delivery
Equivalent grades | GB | DIN | AISI | JIS | ASSAB | |||||||||||
3Cr2NiMnMo | 1.2738 | P20+Ni | NALSS | 718 | ||||||||||||
Chemical | China grades | Foreign | C | Si | Mn | Cr | P≤ | S≤ | Mo | Ni | ||||||
-- | 1.2738 | 0.35-0.45 | 0.20-0.40 | 1.30-1.60 | 1.80-2.10 | 0.035 | 0.035 | 0.15-0.25 | 0.90-1.20 | |||||||
3Cr2NiMo | P20+Ni | 0.32-0.40 | 0.20-0.40 | 1.00-1.50 | 1.40-2.00 | 0.030 | 0.030 | 0.30-0.55 | 0.80-1.20 | |||||||
3Cr2NiMnMo | 718 | 0.32-0.40 | 0.20-0.40 | 1.10-1.50 | 1.70-2.00 | 0.030 | 0.030 | 0.30-0.55 | 0.80-1.20 | |||||||
Available size | Round Bar | Diameter | Length | |||||||||||||
20-400mm | 2000-6000mm | |||||||||||||||
Flat Bar | Thickness | Width | ||||||||||||||
20-800mm | 1500-mm | |||||||||||||||
Heat Treatment | Quenching | Tempering | ||||||||||||||
Heating Temperature | Cooling | Hardness | Heating Temperature | Cooling | Hardness | |||||||||||
840-870 | Oil or Air | ≥50 | 550-640 | Air | 28-36 |
Contact Us
- Kunshan Chengweishang Special Steel Co.,Ltd.
- Contact nameAncaus
- Phone86-512-36808358
- AddressNo, 58, Chengming Road, Yushan Area, Kunshan City, Jiangsu Province, China Suzhou,Jiangsu
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