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প্রদান:
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Key words: | forged steel rings | Quality Standard: | ASTM, EN, JIS |
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Surface: | Black, Smooth | Payment: | T/T or L/C |
UT: | ASTM A 388 or according to customers' requirement | Size: | OD up to 8,000mm; ID up to 7,800mm; Thickness up to 500mm |
লক্ষণীয় করা: | Steel Forged Rings,Forging Stainless Steel |
SAE4145/SCM445 /50CrMo4/din 1.7228 Professional alloy hot forged steel rings
Application:
Comparision of Steel Grades:
GB 35CrMo | Comparision of steel grades | |
JIS | 4145H |
Chemical Composition:
Standard | Grade | C | Si | Mn | P/S | Cr | Mo |
GB | 45CrMnMo | 0.42-0.48 | 0.15-0.30 | 0.75-1.20 | 0.035(MAX) | 0.75-1.20 | 0.35-0.45 |
Steel for petroleum is required to have high purity, good obdurability and equal direction capacity. EX30, SN2025 steel is mainly used for roller bit of petroleum drill bits, 37CrMnMo(4137H) is used for manufacturing petroleum drill rod joint, 4145H is mainly used for petroleum drill rod and drill spindle.
Processing route:
EAF + LF + VD + ingot + hot forged+ heat treatment
Test:
Our Company details:
ব্যক্তি যোগাযোগ: Anndy
টেল: +8615502127172