- Overview
- Product Description
- Product Parameters
- Packaging & Shipping
- Company Profile
- FAQ
Basic Info.
Special Use
High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel, Carbon Steel
Application
Hydraulic & Mechanical
Stand
DIN2391, En10305
Supply Condition
Bk+S, Nbk
ID Roughness
Ra02-0.4
Thickness
5-100 mm
ID Tolerance
H8
Straightness
0.5/1000 mm
Length
Max. 13m
Technical
Cold Drawn
Trademark
PM
Origin
China
Production Capacity
500 Ton/Month
Product Description
Products dimension
| Inside Dia (mm) | ID Tolerance (mm) | WT Tolerance (mm) | |||
| H7 | H8 | H9 | H10 | ||
| ≤30 | +0.021/0 | +0.033/0 | +0.052/0 | +0.084/0 | >210mm ±10% |
| 30 - ≤50 | +0.025/0 | +0.039/0 | +0.062/0 | +0.100/0 | |
| 50 - ≤80 | +0.030/0 | +0.046/0 | +0.074/0 | +0.120/0 | |
| 80 - ≤120 | +0.035/0 | +0.054/0 | +0.087/0 | +0.140/0 | |
| 120 - ≤180 | +0.040/0 | +0.063/0 | +0.100/0 | +0.160/0 | |
| 180 - ≤250 | +0.046/0 | +0.072/0 | +0.115/0 | +0.185/0 | |
| 250 - ≤315 | +0.052/0 | +0.081/0 | +0.130/0 | +0.210/0 | |
| 315 - ≤700 | +0.057/0 | +0.089/0 | +0.140/0 | +0.230/0 | |
1. Chemical composition:
| Steel Grade | Chemical composition % | |||||
| C | Si | Mn | P | S | Al | |
| ≤ | ≥ | |||||
| 20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | / |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | / |
| Q345B | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0.03 | / |
| Q345D | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0.03 | 0.015 |
| 25Mn | 0.22-0.29 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | / |
| 27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.035 | 0.035 | / |
| ST52 | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | / |
| SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.60-0.90 | 0.04 | 0.05 | / |
2. Mechanical Properties:
| Delivery Condition | cold finished (hard) (BK) | cold drawn and stress-relieved (BK+S) | |||
| Steel Grade | Tensile Strength (Mpa) | Elongation (%) | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) |
| 20# | ≥550 | ≥8 | ≥520 | ≥375 | ≥15 |
| 45# | ≥640 | ≥5 | ≥600 | ≥520 | ≥10 |
| 16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
| 25Mn | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 |
| 27SiMn | ≥800 | ≥5 | ≥760 | ≥610 | ≥10 |
| ST52 | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 |
| SAE1026 | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 |
(1) anti rust oiled inside and outside surface, plastic caps in both ends.
(2) bundle with steel strip and knitting strip, or wooden case.
(3) 20/GP or 40/GP container.
Q1: Are you Manufacture or Trade Company?
A1: We are the manufacture, we have 10+ years experience for supply Metal material and products in domestic&exotic.
Q2: How can we guarantee quality?
A2: Always a pre-production sample before mass production. Always 100% final Inspection before shipment.
Q3: What is your terms of payment ?
A3: 1. T/T: 30% deposit in advance, the balance 70% paid before shipment.
2. 30% down payment, the balance 70% paid against L/C at sight.
3. Upon negotiation.
Q4: Can you provide Certificates for aluminum materials ?
A4: Yes, we can supply MTC-Material Test Certificate.
Q5: Can you provide sample?
A5: Yes, we can provide you sample, but you need to pay for the sample and freight firstly. We will return the sample fee after you make an order.