We have been proud from the higher consumer gratification and wide acceptance due to our persistent pursuit of high quality both on product or service and service for 2019 Good Quality Outstanding Manufacture 99.95% Tzm/molybdneum Boats, Adhering towards the business philosophy of ‘customer 1st, forge ahead’, we sincerely welcome clients from at home and abroad to cooperate with us supply you with very best services!
We have been proud from the higher consumer gratification and wide acceptance due to our persistent pursuit of high quality both on product or service and service for Molybdenum Boat, Molybdenum/tzm Boat, Tzm Boats, We’ve got constructed strong and long co-operation relationship with an enormous quantity of companies within this business in Kenya and overseas. Immediate and professional after-sale service supplied by our consultant group has happy our buyers. Thorough Info and parameters from the merchandise will probably be sent for you for any thorough acknowledge. Free samples may be delivered and company check out to our corporation. n Kenya for negotiation is constantly welcome. Hope to get inquiries type you and construct a long-term co-operation partnership.
TZM rods
Chemical composition:
Main and minor components | Min.content(%) | ASTM B386 (361) |
Mo | blance | balance |
Ti | 0.40-0.55% | 0.40-0.55% |
Zr | 0.06-0.12% | 0.06-0.12% |
Impurities | Max.values (μg/g) | Max.values (μg/g) |
Al | 10 | - |
Cu | 20 | - |
Cr | 20 | - |
Fe | 20 | 100 |
K | 20 | - |
Ni | 10 | 50 |
Si | 20 | 50 |
W | 300 | - |
C | 100-400 | 100-400 |
H | 10 | - |
N | 10 | 20 |
O | 500 | 300 |
Cd | 5 | - |
Hg | 1 | - |
Pb | 5 | - |
Dimensions and tolerances:
Diameter (mm) | Diameter tolerance (mm) |
Ground | |
0.50-0.99 | ±0.007 |
1.00-1.99 | ±0.010 |
1.00-2.99 | ±0.015 |
3.00-15.9 | ±0.020 |
16.0-24.9 | ±0.030 |
25.0-34.9 | ±0.050 |
35.0-3939 | ±0.060 |
≥40.0 | ±0.20 |
Cleaned | |
0.50-4.0 | ±2.0% |
4.10-10.0 | ±1.5% |
15.0-50.0 | ±0.30 |
51.0-75.0 | ±0.40 |
75.1-120.0 | ±1.00 |
121.0-165.0 | ±1.50 |
Turned | |
40.0-49.9 | ±0.30 |
50.0-165.0 | ±0.40 |
Length and straightness:
Diameter (mm) | Production length (mm) | Stiraightness/Meter (mm) | |
Cleaned | Ground/turned | ||
0.50-0.99 | >500 | <2.5 | <2.5 |
1.00-9.90 | >300 | <2.0 | <1.5 |
10.0-165.0 | >100 | <1.5 | <1.0 |
Length tolerance:
Diameter 0.50-30.0 mm | ||||||
Nominal length (mm) | 6-30 | 30-120 | 120-400 | 400-1000 | 1000-2000 | >2000 |
Length tolerance(mm) | ±0.2 | ±0.3 | ±0.5 | ±0.8 | ±1.2 | ±2.0 |
Diameter >30.0 mm | ||||||
Nominal length (mm) | 6-30 | 30-120 | 120-400 | 400-1000 | 1000-2000 | >2000 |
Length tolerance(mm) | ±1.0 | ±1.5 | ±2.5 | ±4.0 | ±6.0 | ±8.0 |
Density:
1. 0.50-40.0 mm ≥10.15g/cm³
2. 40.1-80.0 mm ≥10.10g/cm³
3. 80.1-120.0 mm ≥10.00g/cm³
4. 120.1-165.0 mm ≥9.90g/cm³
Nondestructive testing: For diameters>15.00 mm:100% ultrasonic testing; For diameters of 0.50-50.0mm:Eddy curent tests on rods with ground.
Diameter(mm) | Tensile strength(MPa) | 0.2% Yield Strength(MPa) | Elongation(%) | Hardness(HV 10) |
0.50-4.76 | - | - | - | - |
4.76-22.20 | ≥790 | ≥690 | ≥18 | |
22.20-28.60 | ≥760 | ≥655 | ≥15 | 260-320 |
28.60-47.60 | ≥690 | ≥585 | ≥10 | 250-310 |
47.60-73.00 | ≥620 | ≥550 | ≥10 | 245-300 |
73.00-120.9 | ≥585 | ≥515 | ≥5 | 240-290 |
121.0-165 | ≥585 | ≥515 | ≥5 | 220-280 |
Surface condition:
Surface: | Cleaned | Ground | Turned |
φ0.50-165mm | φ0.50-50.00mm | φ≥40.00mm | |
Roughness | Diameter (mm) | Ra (μm) Ground | Ra (μm) Turned |
≤2.50 | ≤0.80 | - | |
2.5-50.0 | ≤1.00 | - | |
≥40.0 | - | ≤3.2 |