Customization: | Available |
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Standard: | DIN, JIS, AISI, ASTM |
Technics: | Forged |
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Round bar | 3.2 to 410mm |
Flat bar | 10 to 90 x 105 to 610mm |
Block | 100 to 200 x 400 to 600mm |
Standard | ASSAB XW-42/JIS SKD11/DIN 1.2379 |
INTERNATIONAL STEEL GRADES | |||||
ISO | DIN | Russia | |||
X40CrMoV5-1 | ISO4957-2018 | 1.2344 | DIN4957-2018 | 4H5MF1S | GOST5950-2000 |
USA | Japan | China | |||
H13 | ASTM A 681-2022 | SKD61 | JISG4404-2021 | 4Cr5MoSiV1 | GB1299-2000 |
CHEMICAL COMPOSITION | |||||||
C | Si | Mn | P | S | Cr | Mo | V |
0.37-0.42 | 0.90-1.20 | 0.30-0.50 | ≤0.030 | ≤0.030 | 4.80-5.50 | 1.20-1.50 | 0.90-1.10 |
PRODUCTION FLOW& TECHNICAL INDEX | |
Size Range | Round 80-1000mm; Flat 80-500mmx300-1500mm |
Smelting | EAF+LF+VD(or +ESR) |
Production Process | Hot Forged+Spheriodizing Annealing≤235HB(or +EFS) |
Heat Treatment | Softening annealing at a temperature of 800 - 840ºC Hardening at a temperature of 980 - 1050ºC Tempering at a temperature of 450 - 550ºC Relaxing annealing in the range of 470 - 550ºC Nitriding at a temperature of 470 - 550ºC |
Forging Ratio | ≥6:1 |
Surface | Machined |
Non-metallic Inclusions | Acc. To ASTM E45 or finer A(Thin 1.0 Heavy 1.0); B(Thin 1.0 Heavy 1.0); C(Thin 1.0 Heavy 1.0); D((Thin 1.0 Heavy 1.0); |
Grain Size | Acc. To ASTM E112≥ 7 or finer |
Microstructure | Acc. To NADCA 207-2003 AS1-AS9(for die casting mould) |
Impact Value | Acc. To ASTM E23-2002a(for die casting mould) |
UT | SEP1921-84 3 D/d or finer |
Company details:
Wugang Chang Yu Long Industry and Trade Co., Ltd. is located in Wuyang City and is specialized in manufacturing Steel Plates,Steel Rebars. With an experienced and professional team, we have exported our products to many countries and regions all over the world, especially Southeast Asia, the Middle East and Eastern Europe. Our products enjoy a good reputation among our customers. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
Technological advantages:
1,we have a design and R&D team who has 30 years of experience for the design and installation of stents.
2,we have hundreds of different stents,including ground support system,roof support system.Different types of system can combine with different foundation ,(concrete pile,impact pile,spiral pile) and different material (full steel,steel and aluminum mixture,special materials),the customer can choose freely.
3,we can design simple,high stength,portable,low cost stents as fast as we can ,according to the requirements.