SCH17 Boiler Air Nozzle Castings ASTM A297 HE Cr29Ni9 EB3012 ISO Certification
SCH17 Boiler Air Nozzle Castings ASTM A297 HE Cr29Ni9 EB3012
Material Grade: SCH17, ASTM A297 HE, Cr29Ni9 ,ASTM A297 HK ,Cr25Ni20,ZG40Cr25Ni20Si2, Cr25Ni14; HK2Co20;1.4852;1.4849;Cr14Ni9;
Quality Level: As per National Standard & International Standards.
Production Process: Investment Process & Centrifugal Process & Sand Process Including machining process.
Special Features:
1. We can make Air Nozzle Castings with Investment Process & Centrifugal Process & Sand Process.
2. We can supply finished Heat castings with heat-treatment and machining process.
3. We can produce heat steel castings as per GB/T 20878,DIN 17440,DIN 17224, AISI,ASTM,JIS SUH35,NF A35-572/584,BS970,BS1449,ISO 683/13.
Heat-resistant Steel-Chromium ASTM A297
| Number | Steel Grade | Chemical Composition (%) | |||||||
| C | ≤Mn | ≤Si | ≤P | ≤S | Cr | Ni | ≤Mo | ||
| HF | Cr10NiS | 0.2-0.4 | 2.0 | 2.0 | 0.04 | 0.04 | 18-23 | 8-12 | 0.50 |
| HH | Cr25Ni12 | 0.2-0.5 | 2.0 | 2.0 | 0.04 | 0.04 | 24-28 | 11-14 | 0.50 |
| HI | Cr28Ni15 | 0.2-0.5 | 2.0 | 2.0 | 0.04 | 0.04 | 26-30 | 14-18 | 0.50 |
| HK | Cr25Ni20 | 0.2-0.6 | 2.0 | 2.0 | 0.04 | 0.04 | 24-28 | 18-22 | 0.50 |
| HE | Cr29Ni9 | 0.2-0.5 | 2.0 | 2.0 | 0.04 | 0.04 | 26-30 | 8-11 | 0.50 |
| HT | Cr15Ni35 | 0.35-0.75 | 2.0 | 2.5 | 0.04 | 0.04 | 15-19 | 33-37 | 0.50 |
| HU | Cr10Ni30 | 0.35-0.75 | 2.0 | 2.5 | 0.04 | 0.04 | 17-21 | 37-41 | 0.50 |
| HW | Cr12Ni60 | 0.35-0.75 | 2.0 | 2.5 | 0.04 | 0.04 | 10-14 | 58-62 | 0.50 |
| HX | Cr17Ni66 | 0.35-0.75 | 2.0 | 2.5 | 0.04 | 0.04 | 15-19 | 64-68 | 0.50 |
| HC | Cr23 | ≤0.50 | 1.0 | 2.0 | 0.04 | 0.04 | 26-30 | ≤4.00 | 0.50 |
| HD | Cr28Ni5 | ≤0.50 | 1.5 | 2.0 | 0.04 | 0.04 | 26-30 | 4 - 7 | 0.50 |
| HL | Cr29Ni20 | 0.2-0.6 | 2.0 | 2.0 | 0.04 | 0.04 | 28-32 | 18-22 | 0.50 |
| HN | Cr20Ni25 | 0.2-0.5 | 2.0 | 2.0 | 0.04 | 0.04 | 19-23 | 23-27 | 0.50 |
| HP | Cr26Ni35 | 0.35-0.75 | 2.0 | 2.5 | 0.04 | 0.04 | 24-28 | 33-37 | 0.50 |
Production Process
Step 2: Process design by technical department
Step 3: Purchase of raw materials and pattern making &checking
Step 4: Inspection of raw materials
Step 5: Melting by middle-frequency induction furnaces
Step 6: Ladle analysis by Spectrometer
Step 7: De-oxidization, slag-removal, tapping
Step 8: Pouring
Step 9: Openning & fettling
Step 10: Surface & dimensional check
Step 11: Heat treatment
Step 12: Inspection of physical property (UT test,MT test, hardness,impact value µstructure)
Step 13: Packing
Step 14: Shipping
1. 18-year Foundry Operation Experience.
2. Friendly & High Efficient Technical & Commercial Communication.
3. Professional Export Practices: Have Exported to +60 Overseas Countries.
Our Trade Show 
Our booth No. 14-A29-5 in Newcast 2015,Germany
Hall 14, Stand No.A29-5.
Contact Us for further information about products & service:
Mr.John Liu
Project Manager
Tel: 0086-188 0059 6372
Fax: 0086-510-6879 2172
E-mail: cast@ebcastings.com, ebcastings@163.com
Skype ID:julia.zhu26
QQ: 217 039 6403
www.ebcastings.com
Eternal Bliss Alloy Casting & Forging Co.,LTD.
Add.: J-Sci-Tech Park, Binhu District,Wuxi,214122, Jiangsu,China
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.