11SMnPb30 Steel Round Bar
Products Description
12L14 SUM24 Free Cutting Steel Round Bars
Size:3mm to 100mm
Type: cold drawn steel round ,square,hex bars
Length:as required
Delivery condition:Cold drawn / Cold finished / CD bars
Specification: 12L14 free cutting steel
12L14 steel standard
| Material No.: 1.9718 |
| Standard:ASTM A29 / A29M |
| International steel grades: JIS: ~ SUM 22 L, ~ SUM 23 L, |
12L14 chemical composition
| Element | Content (%) |
| Iron, Fe | 97.91 - 98.7 |
| Manganese, Mn | 0.85 - 1.15 |
| Sulfur, S | 0.260 - 0.35 |
| Lead, Pb | 0.15 - 0.35 |
| Carbon, C | 0.15 |
| Phosphorous, P | 0.040 - 0.090 |
Application:
Free-cutting steel for bulk applications for joining elements in mechanical engineering and automotive components.
Tolerance:
| NOMINAL SIZE DIAMETER mm | h9 | h10 | h11 |
| 1 to 3 | -0.025 | -0.04 | -0.06 |
| (-0.00098") | (-0.00158") | (-0.00236") | |
| Over 3 to 6 | -0.03 | -0.048 | -0.075 |
| (-0.00118") | (-0.00189") | (-0.00295") | |
| Over 6 to 10 | -0.036 | -0.058 | -0.09 |
| (-0.00142") | (-0.00228") | (-0.00354") | |
| Over 10 to 18 | -0.043 | -0.07 | -0.11 |
| (-0.00169") | (-0.00275") | (-0.00433") | |
| Over 18 to 30 | -0.052 | -0.084 | -0.13 |
| (-0.00205") | (-0.00331") | (-0.00512") | |
| Over 30 to 50 | -0.062 | -0.1 | -0.16 |
| (-0.00244") | (-0.00393") | (-0.00630") | |
| Over 50 to 80 | -0.074 | -0.12 | -0.19 |
| (-0.00291") | (-0.00472") | (-0.00748") | |
| Over 80 to 120 | -0.087 | -0.14 | -0.22 |
| (-0.00343") | (-0.00551") | (-0.00866") |
Starightness:1mm/m (max)
Delivery time: usually 7-15 days for stock items, and 30 days for new production
Packing: anti-rust good export packing
1214 property (hot rolled), For eg
| Thickness [mm] >16 - 40 |
| 0,2% proof stress Rp0,2 [N/mm²] min. 200 |
| Tensile strength Rm [N/mm²] min. 380 |
| Hardness [HB] min. 113 |
1214 property (Cold drawn), For eg
| Condition of delivery: Cold drawn |
| Thickness [mm] >16 - 40 |
| 0,2% proof stress Rp0,2 [N/mm²] min. 375 |
| Tensile strength Rm [N/mm²] min. 470 |
| Hardness [HB] min. 139 |
Product Picture

Our factory

Steel Making

Ingot Production

Forged Bars
Machinary
Production Process

12l14 Steel Hexagonal Bar Application Field
12l14 Steel Hexagonal Bar is Widely used in hardware tools, automotive accessories, standard parts, fasteners, ordinary shafts, mechanical manufacturing, light industrial parts, hardware accessories, standard parts, bicycles, and free cutting steel, mainly used in the production of instruments, watch parts, automobiles, machine tools, and various other machines with strict requirements for size accuracy and smoothness due to low stress, Standard components with relatively low requirements for mechanical performance, such as gears, shafts, bolts, valves, bushings, pins, pipe joints, spring seats and machine tool screws, plastic forming molds, surgical and dental procedures, textile machinery, etc.
Quality Control
We make sure that our every product is made of high quality raw material. We thoroughly test each and every product before dispatching it to our customers.

Packing & Delivery

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