Materials
The Materials(Metal and Alloy) we used in investment casting
GL Metal’s investment casting foundry stands out for its exceptional capability to cater to a diverse array of alloys, adhering to stringent designations and specifications outlined by industry standards such as ASTM, SAE, AISI, ACI, DIN, GOST, EN, ISO, and GB. With a repertoire of over 100 ferrous and non-ferrous alloys, we specialize in casting parts featuring intricate design structures.
Our expertise covers a broad spectrum of materials, including:
- Gray Cast Iron: HT150 ~ HT350; EN-GJL-100, EN-GJL-150, EN-GJL-200, EN-GJL-250, EN-GJL-300, EN-GJL-350; GG10, GG15, GG20, GG25, GG30, GG40.
- Ductile Cast Iron (Nodular Iron): GGG40, GGG45, GGG50, GGG60, GGG70, GGG80; EN-GJS-400-18, EN-GJS-400-15, EN-GJS-450-10, EN-GJS-500-7, EN-GJS-600-3, EN-GJS-700-2, EN-GJS-800-2.
- Carbon Steel: AISI 1020 ~ AISI 1060, WCA, WCB, WCC, C30, C40, C45.
- Alloy Steel: ZG20SiMn, ZG30SiMn, ZG30CrMo, ZG35CrMo, ZG35SiMn, ZG35CrMnSi, ZG40Mn, ZG40Cr, ZG42Cr, ZG42CrMo, etc.
- Stainless Steel: 304, 304L, 316, 316L, 1.4401, 1.4408, 1.4301, 1.4305, 1.4307, 1.4404, 1.4571, and more.
- Duplex Stainless Steel (DSS) and Precipitation Hardening (PH) Stainless Steel
- Brass, Bronze, and other Copper-based Alloys
- Nickel Based Alloy: Inconel 625, Inconel 713, Inconel 718, etc., Cobalt Based Alloys
- Corrosion-resistant Steel, Seawater-resistant Steel, High-temperature Steel, High-tensile Steel, Duplex Stainless Steel.
Our commitment extends to accommodating specific requests and adhering to additional alloys in accordance with ASTM, SAE, AISI, GOST, DIN, EN, ISO, and GB standards. At GL Metal, we pride ourselves on delivering precision and quality across an extensive range of metal casting solutions.
2. Stainless Steel
| Austenitic Stainless Steel (300 Series Stainless Steel) | ||||
| Alloy | Tensile Strength | Maximum Use Temp | Melting Point | Resistance |
| 301 | 515 MPa (75 Ksi) | 871 °C (1600 °F) | 1399-1421°C (2550-2590°F) | Excellent corrosion resistance |
| 302 | 585 MPa (85 Ksi) | 870˚C (1,679˚F) | 1400-1420 °C (2550-2590 °F) | Excellent corrosion resistance |
| 303 | 690 MPa ( 100 Ksi) | 760˚C (1,400˚F) | 1400-1420 °C (2550-2590 °F) | Lower corrosion resistance |
| 304 | 621 MPa (90 Ksi) | 870˚C (1,679˚F) | 1,399 – 1,454˚C (2,550 – 2,650˚F) | CF8/1.4308/ |
| 304L | 621 MPa (90 Ksi) | 870˚C (1,679˚F) | 1,399 – 1,454˚C (2,550 – 2,650˚F) | CF3 |
| 309 | 620 MPa (89 Ksi) | 1000˚C (1,832˚F) | 1400-1455 °C (2550-2651 °F) | Excellent corrosion resistance |
| 316 | 579 MPa (84 ksi) | ~800˚C (1,472˚F) | 1,371 – 1,399˚C (2,500 – 2,550˚F) | CF8M/1.4408 |
| 316L | 579 MPa (84 ksi) | ~800˚C (1,472˚F) | 1,371 – 1,399˚C (2,500 – 2,550˚F) | CF3M |
| 317 | 585 MPa ( 85 Ksi) | 816˚C (1,500˚F) | 1,370 – 1,400˚C (2,500 – 2,550˚F) | Good chloride resistance |
| 321 | 620 MPa (90Ksi) | 816˚C (1,500˚F) | 1,400 – 1,425˚C (2,550 – 2,600˚F) | Excellent corrosion resistance |
| 347 | 690 MPa (101 Ksi) | 816˚C (1,500˚F) | 1,400 – 1,425˚C (2,550 – 2,600˚F) | Excellent corrosion resistance |
| Ferritic Stainless Steels | ||||
| Alloy | Tensile Strength | Maximum Use Temp | Melting Point | Resistance |
| 405 | 585 MPa (85Ksi) | 815˚C (1,499˚F) | 1,480 – 1,530˚C (2,700 – 2,790˚F) | Good acid corrosion resistance |
| 408 | 505 MPa (73 Ksi) | 815˚C (1,499˚F) | 1,400 – 1,455˚C (2,550 – 2,650˚F) | Resists well against most oxidizing acids and salt spray |
| 409 | 448MPa (65 Ksi) | 815˚C (1,499˚F) | 1,425 – 1,510˚C (2,597 – 2,750 F) | Good corrosion resistance |
| 420 | 760 – 1702 MPa (110 – 247 Ksi) | 427˚C (800˚F) | 1,455 – 1,510˚C (2,651 – 2,750 F) | Fairly corrosion resistant |
| 430 | 450 MPa (65 ksi) | 815˚C (1,499˚F) | 1,425 – 1,510˚C (2,597 – 2750˚F) | Good nitric acid resistance |
| 434 | 540 MPa (78 ksi) | 815˚C (1,499˚F) | 1,426 – 1,510˚C (2,600 – 2750˚F) | Superior pitting resistance |
| 436 | 459 MPa (67 Ksi) | 815˚C (1,499˚F) | 1,425 – 1,510˚C (2,600 – 2,750˚F) | Excellent citric and nitric acid corrosion resistance |
| 442 | 515-550 MPa (77 – 80Ksi) | 925-980˚C (1,700/1,800˚F) | 1,065 – 1,120˚C (1,950 – 1,120˚F) | Good corrosion resistance |
| 444 | 415 MPa ( 60 Ksi) | 950˚C (1,752˚F) | 1,405 – 1,495˚C (2,561 – 2,723˚F) | Good oxidation resistance |
| Martensit Stainless Steels | ||||
| Alloy | Tensile Strength | Maximum Use Temp | Melting Point | Resistance |
| 410 | 500 -1400 MPa (73 – 203 Ksi) | 650˚C (1,202˚F) | 1,482 – 1,532˚C (2,700 – 2,790˚F) | Good corrosion resistance to air, water, and some chemicals |
| 410S | 444 MPa (64 Ksi) | 705˚C (1,300˚F) | 1,482 – 1,532˚C (2,700 – 2,790˚F) | Good oxidation resistance |
| 416 | 517 MPa (75 Ksi) | 760˚C (1,400˚F) | 1,480 – 1,530˚C (2,696 – 2,786˚F) | Poor Chloride resistance. Good resistance to acids, alkalis & fresh water |
| 420 | 1,586 MPa (230 ksi) | 650˚C (1,202˚F) | 1,454 – 1,510˚C (2,649 – 2,750˚F) | Resistant to mild acids, alkalis, and water when hardened |
| 440 | 758 MPa (110 Ksi) | 760˚C (1,400˚F) | 1,483˚C ( 2,700˚F) | Limited corrosion resistance |
| Duplex (Ferritic-Austenitic) Stainless Steels | ||||
| Alloy | Tensile Strength | Maximum Use Temp | Melting Point | Resistance |
| 2205 | 620 MPa (90 Ksi) | 300˚C (572˚F) | 1,385 – 1,443˚C (2,525 – 2,630˚F) | Excellent corrosion resistance |
| 2304 | >600 MPa (>87 Ksi) | 570˚C (1058˚F) | 900 – 1,150˚C (1,650 – 2,100˚F) | Resistance to corrosion cracking |
| 2507 | 800 MPa (116 Ksi) | 300˚C (572˚F) | 1,350˚C (2,460˚F) | Excellent chloride corrosion resistance |
| Precipitation Hardening (PH) Stainless Steels | ||||
| Alloy | Tensile Strength | Maximum Use Temp | Melting Point | Resistance |
| 17-4 | 1103 MPa (160 Ksi) | 316˚C (600˚F) | 1,404 – 1,440˚C (2,560 – 2,625˚F) | Excellent corrosion resistance |
| 15-5 | 1380 MPa (200 Ksi) | 316˚C (600˚F) | 1,404 – 1,440˚C (2,560 – 2,625˚F) | Excellent corrosion resistance |
3. Carbon Steel
| ASTM A216 Cast Carbon Steel | ||||
| Alloy | Tensile Strength | Maximum Use Temp | Melting Point | Resistance |
| WCA | 500 MPa (73 Ksi) | 400˚C (700˚F) | 1410 – 1,460˚C (2,580 – 2,650˚F) | Excellent corrosion resistance |
| WCB | 570 MPa (83 Ksi) | 426˚C (800˚F) | 1410 – 1,460˚C (2,580 – 2,650˚F) | Excellent corrosion resistance |
| WCC | 655 MPa (95 Ksi) | 538˚C (1000˚F) | 1410 – 1,460˚C (2,580 – 2,650˚F) | Excellent corrosion resistance |
| SAE-AISI 1020 steel | ||||
| Alloy | Tensile Strength | Maximum Use Temp | Melting Point | Resistance |
| 1020 | 460 MPa (63 Ksi) | 400˚C (700˚F) | 1420 – 1,460˚C (2,590 – 2,650˚F) | Excellent corrosion resistance |
| 1020 | 430 MPa (62 Ksi) | 400˚C (700˚F) | 1420 – 1,460˚C (2,590 – 2,650˚F) | Excellent corrosion resistance |