| Name | Brand | Specifications | Executive standard | Chemical composition analysis (melting composition)% | Performance characteristics | Purpose | |||||
| C | Si | Mn | P ≤ | S ≤ | Other | ||||||
| Hot rolled wire rod for prestressed steel wire and strand | YL72B | F8-20 | GB/T 24238 | 0.70-0.75 | 0.10-0.30 | 0.60-0.90 | 0.025 | 0.025 |
The decarburization layer is small, the surface defects are few, the sorbite rate is high, and the wire rod has excellent drawing performance. Organization and performance are higher than the requirements of national standards.
|
It is mainly used for prestressed round steel wire, scored steel wire, spiral steel wire and steel strand.
|
|
| YL82B | F8-20 | 0.80-0.85 | 0.10-0.30 | 0.60-0.90 | 0.025 | 0.025 | V≤0.15 | ||||
| WG70A | F5.5-8 |
Supply technical agreement
|
0.68-0.74 | 0.15-0.30 | 0.45-0.60 | 0.025 | 0.020 | ||||
| WG80A | F5.5-8 | 0.78-0.83 | 0.15-0.28 | 0.45-0.60 | 0.025 | 0.020 | |||||
| Name | Brand | Specifications | Executive standard | Chemical composition analysis (melting composition)% | Performance characteristics | Purpose | ||||
| C | Si | Mn | P ≤ | S ≤ | ||||||
| Hot rolled wire rod for steel cord | WGLX72A | F5.5-6.5 | GB/T 27691 | 0.70-0.75 | 0.15-0.30 | 0.45-0.60 | 0.025 | 0.015 |
The decarburization layer is small, the inclusions are few, the tensile strength is good, the sorbite rate is high, and the wire rod has excellent plasticity and ductility.
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Mainly used for all kinds of meridian, bead wire, cord.
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| WGLX82A | F5.5-6.5 | 0.80-0.85 | 0.15-0.30 | 0.45-0.60 | 0.025 | 0.015 | ||||
| WGLX92Cr | F5.5-6.5 | 0.90-0.94 | 0.15-0.30 | 0.20-0.40 | 0.015 | 0.015 | ||||
| Name | Brand | Specifications | Executive standard | Chemical composition analysis (melting composition)% | Performance characteristics | Purpose | |||||
| C | Si | Mn | P ≤ | S ≤ | Other | ||||||
| Hot rolled wire rod for cold heading steel | SWRCH22A | F5.5-6.5 | JIS G3507-1 | 0.18-0.23 | ≤0.10 | 0.70-1.00 | 0.030 | 0.035 | Al≥0.02 |
Good metallographic structure, few surface defects, high purity of steel, high dimensional accuracy, low cracking rate of cold heading. The product performance is higher than the requirements of relevant standards.
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It is mainly used for various fasteners, self tapping, weling nails and other standard parts.
|
| SWRCH25K | F5.5-20 | 0.22-0.28 | 0.10-0.35 | 0.30-0.60 | 0.030 | 0.035 | |||||
| SWRCH35K | F5.5-24 | 0.32-0.38 | 0.10-0.35 | 0.60-0.90 | 0.030 | 0.035 | |||||
| ML08Al | F5.5-24 | GB/T 6478 | 0.05-0.10 | ≤0.10 | 0.30-0.60 | 0.035 | 0.035 | Al≥0.02 | |||
| ML40Cr | F5.5-24 | 0.38-0.43 | 0.10-0.30 | 0.60-0.90 | 0.025 | 0.025 | Cr 0.90-1.20 | ||||
| Name | Brand | Specifications | Executive standard | Chemical composition analysis (melting composition)% | Performance characteristics | Purpose | |||||
| C | Si | Mn | P ≤ | S ≤ | Cr | ||||||
| Hot rolled wire rod for bearing steel | GCr15 | F5.5-20 | GB/T 18254 | 0.95-1.05 | 0.15-0.35 | 0.25-0.45 | 0.025 | 0.020 | 1.40-1.65 |
The metallographic structure and surface defects are higher than the relevant requirements of national standards. The steel has high purity, high dimensional accuracy and excellent fatigue resistance.
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For bearings and ball parts
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| Name | Brand | Specifications | Executive standard | Chemical composition analysis (melting composition)% | Performance characteristics | Purpose | |||||
| C | Si | Mn | P ≤ | S ≤ | Other | ||||||
| Non alloy steel wire rod for wire making | C70DA | Φ5.5-6.5 | GB/T 24242.2供货技术协议 | 0.68-0.73 | 0.10-0.30 | 0.60-0.90 | 0.025 | 0.025 |
High sorbite rate, high cleanliness and good comprehensive mechanical properties
|
bead wire
|
|
| C72DA | Φ5.5-6.5 | 0.70-0.75 | 0.10-0.30 | 0.60-0.90 | 0.025 | 0.025 | |||||
| C82DA | Φ5.5-6.5 | 0.80-0.85 | 0.10-0.30 | 0.60-0.90 | 0.025 | 0.025 | |||||
| Name | Brand | Specifications | Executive standard | Chemical composition analysis (melting composition)% | Performance characteristics | Purpose | ||||
| C | Si | Mn | P ≤ | S ≤ | ||||||
| High quality carbon structural steel | 20 | Φ18~130 | GB/T 699 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | It has enough shaping and toughness, and its performance is higher than the relevant requirements of national standards | Small carburized parts such as small shaft, small module gear and piston pin |
| 45 | Φ18~130 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | The comprehensive mechanical properties are good, and the properties are higher than the relevant requirements of national standards | Small section, medium load modulators, such as spindle, crankshaft, gear, connecting rod, sprocket, etc | ||
| 55 | Φ18~65 | 0.52-0.60 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | High strength, hardness and performance are higher than the relevant requirements of national standards | t is used to make connecting rod, roller, gear, flat spring, wheel rim, rim, etc. and also as casting | ||
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