Product Introduction
Cutting steel structural steel -11SMnPb28
11SMnPb28(GB/T 8731--1988) ω/%
chemical composition
Carbon C:<0.14
Silicon Si: ≤ 0.05
Manganese Mn: 0.90-1.30
Sulfur S: 0.24~0.33
Phosphorus P:<0.11
Lead Pb: 0.15~0.35
Performance and Application
S-P-pb composite low-carbon easy cutting steel has similar characteristics to Y12 and good machinability.
Purpose: To manufacture machine and instrument parts with low mechanical performance requirements.
Mechanical properties of 11SMNPB28 free cutting steel:
Tensile strength σ b (MPa): (hot-rolled) 390-540;
11SMNPB28 easy cut steel (cold drawn) with a thickness or diameter of 8-20: 530-755 20-30 hours: 510-735 hours;> 30 o'clock: 490-685,
Elongation rate δ 5 (%):
characteristic
1. Good processing performance: The product has the characteristics of smooth cutting, excellent material quality, stable processing, good metallographic structure, stable chemical composition, small deviation, clean steel purity, low impurity content, and is not easy to damage the cutting tool; Extremely easy to cut on a lathe, with a 40% increase in tool life and production efficiency;
2. Good electroplating performance: cutting is very easy; Can drill deep holes, mill deep grooves, etc; The processing efficiency can be significantly improved compared to ordinary steel; The electroplating performance of the product is good, which can replace copper products and greatly reduce product costs;
3. Good smoothness: The surface smoothness of the workpiece after machining is good;
4. Environmental friendliness: Complies with the EU SGS environmental certification standards and has passed the Swiss environmental certification. The products can be exported as mechanical equipment: woodworking machinery, ceramic machinery, papermaking machinery, glass machinery, food machinery, construction machinery, plastic machinery, textile machinery, jacks, hydraulic presses, etc;
Electrical product components: motor shaft, fan shaft, sewing machine shaft, etc;
Furniture: especially exported metal furniture such as coffee tables, chairs, outdoor furniture;
Metal utensils: garden tools, barbecue grill grilles, screwdrivers, anti-theft locks, etc;
1. The company has established long-term and stable cooperative relationships with multiple well-known steel mills at home and abroad, all of which provide original material certification
2. Wholesale and retail, with favorable prices, superior quality (large quantities are preferred), and timely and fast delivery
3. The company has several large vertical band saws and steel plate precision machining machinery,
4. It is a large enterprise that integrates the sales, wholesale, and machining services of multiple imported high-quality mold steel products
5. Wide channels, sufficient supply of goods, and business scope covering all parts of the country, can meet the needs of customers in various regions
Sincerely welcome new and old customers from all walks of life to call and inquire about and negotiate business at any time. Our high-quality products and reasonable prices will definitely meet your requirements!
Welcome new and old customers to call for consultation and negotiation.