Customization: | Available |
---|---|
Material: | 60mn; B2;B3; B4 |
Content: | >90% |
Still deciding? Get samples of US$ 0/500g
Order Sample
|
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
---|
Payment Methods: |
|
---|---|
Support payments in USD |
Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
---|
Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Introduction of the Forged steel balls
Technical parameters of forging steel ball | ||||||||||||
Inch | Size | T weight | Tolerance(mm) | Material | Surface hardness(HRC) | Volume hardness(HRC) | ||||||
3/4" | D20mm | 0.037+/-0.005 | 2+/-1 | B2 | 63-66 | 63-66 | ||||||
1" | D25mm | 0.072+/-0.01 | 2+/-1 | B2 | 63-66 | 63-66 | ||||||
11/4" | D30mm | 0.13+/-0.02 | 2+/-1 | B2 | 63-66 | 63-66 | ||||||
11/2" | D40mm | 0.30+/-0.04 | 2+/-1 | B2 | 62-66 | 62-66 | ||||||
2" | D50mm | 0.6+/-0.05 | 2+/-1 | B2 | 62-65 | 61-64 | ||||||
21/2" | D60mm | 1.0+/-0.05 | 2+/-1.5 | B2 | 62-65 | 60-62 | ||||||
21/2" | D65mm | 1.3+/-0.05 | 2+/-1.5 | B2 | 61-64 | 60-62 | ||||||
21/2" | D65mm | 1.3+/-0.05 | 2+/-1.5 | B3 | 61-63 | 60-62 | ||||||
3" | D75mm | 2.0+/-0.06 | 3+/-2 | B3 | 61-63 | 60-62 | ||||||
3"(Hot rolled) | D80mm | 2.0+/-0.06 | 3+/-2 | B3 | 60-63 | 60-62 | ||||||
3"(Forged) | D80mm | 2.1+/-0.06 | 3+/-2 | B3 | 60-62 | 53-57 | ||||||
31/2" | D90mm | 3.0+/-0.07 | 3+/-2 | B3 | 60-63 | 59-62 | ||||||
4" | D100mm | 4.1+/-0.15 | 3+/-2 | B3 | 60-63 | 59-62 | ||||||
4.5" | D115mm | 6.3+/-0.15 | 3+/-2 | B3 | 60-63 | 57-60 | ||||||
5" | D125mm | 8.1+/-0.3 | 3+/-2 | B3 | 59-62 | 55-60 | ||||||
Chemical composition | C% | Si% | Mn% | Cr% | P% | S% | Ni% | |||||
B2 | 0.72-1.03 | 0.15-0.35 | 0.3-1.2 | 0.2-0.6 | ≤0.035 | ≤0.035 | i≤0.25 | |||||
B3 | 0.53-0.88 | 1.2-2.00 | 0.50-1.20 | 0.7-1.20 | ≤0.035 | ≤0.035 | i≤0.25 |