- Hebei Gangxin Technology Co., Ltd
- Main products: chrome plated bar, bright bar, piston rod, honed tube, linear screw, ball screw, bolt screw, spring steel micro-wire, spring steel
Home > Products > steel round bars > chrome plated hyraulic piston bar
chrome plated hyraulic piston bar
- 50000 Ton / Tons per Month
- Tianjin, Ningbo, Shanghai
- T/T L/C
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Product Details
| Brand Name | GX | Place of Origin | China | |
| Model Number | GXPR01 | Type | Carbon Steel Bar | |
| Application | Tool Steel Bar | Technique | Cold Drawn | |
| Standard | GB, JIS | Alloy Or Not | Non-alloy | |
| Dimensions | Diameter Range is from 12 to 140mm, and the length is from 3m to 8m | Special Use | Free Cutting Steel | |
| Steel Grade | CK45, JIS 45C |
Product Description
Size: | Ø 12-140mm |
Length: | 3m -8m |
Material: | 45# DIN CK45/JIS 45C |
Tolerance | ISO f7 |
Chrome thickness: | 20~30micron |
Hardness of the chrome layer: | 850HV(min) |
Roughness: | Ra 0.2micron (max) |
Straightness: | 0.2/1000mm |
Yield Strength | ≥320 Mpa |
Tensile Strength | ≥580 Mpa |
Elongation | ≥ 15% |
Supply condition: | 1. Hard chrome plated |
2. Induction hardened | |
3. Quenched & Tempered | |
4. Induction hardened with Q&T |
Product's Technical
3. Chemical Composition
Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
Ck45 | 0.42-0.50 | 0.50-0.80 | 0.04 | 0.035 | 0.035 | ||
ST52 | 0.22 | 1.6 | 0.55 | 0.035 | 0.04 | ||
20MnV6 | 0.16-0.22 | 1.30-1.70 | 0.10-0.50 | 0.035 | 0.035 | 0.10-0.20 | |
42CrMo4 | 0.38-0.45 | 0.60-0.90 | 0.15-0.40 | 0.03 | 0.03 | 0.90-1.20 | |
40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | 0.80-1.10 |
4. Mechancial Properties
Material | T. S N/MM2 | Y. S N/MM2 | E%(MIN) | CHARPY | CONDITION |
CK45 | 610 | 355 | 15 | >41J | NORMALIZE |
CK45 | 800 | 630 | 20 | >41J | Q + T |
ST52 | 500 | 355 | 22 | NORMALIZE | |
20MnV6 | 750 | 590 | 12 | >40J | NORMALIZE |
42CrMo4 | 980 | 850 | 14 | >47J | Q + T |
40Cr | 1000 | 800 | 10 | Q + T |
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- Hebei Gangxin Technology Co., Ltd
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| steel round bars | screw |
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