Home > Products > Steel strucuture > Square Shape and 300 Series 200 series 400 series Dimensions 316 stainless steel round bar
Square Shape and 300 Series 200 series 400 series Dimensions 316 stainless steel round bar
- 10000 Metric Ton / Metric Tons per Month
- Tianjin
- T/T L/C
- 15 days
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Product Details
Brand Name: | youjia | Place of Origin: | China | Type: | Alloy Steel Bar |
Application: | Tool Steel Bar | Technique: | Forged | Standard: | GB |
Alloy Or Not: | Is Alloy | Dimensions: | 8mm--1110mm | Special Use: | Mold Steel |
Steel Grade: | 310/304/316 |
Product Description
Specifications of Round Steel Rod / Bar
Standard: AISI, JIS, DIN, GB
Grade: 4140, SCM440, 1.7225, 42CrMo
Diameter: Round steel bar 60-800mm
Flat steel bar 25-400mm*200-800mm
Length: 2-12m or as required
Technique: Hot Rolled, Forged
Surface: Black surface/ Grinded/ Machined
GB | DIN | AISI | JIS |
42CrMo | 1.7225 | 4140 | SCM440 |
Forging | Heat to 1150°C. Hold until uniform. Minimum forging temperature 850°C.Cool slowly in ashes or sand etc. | ||||||||
Annealing | Heat to 830°C-850°C.Cool in furnace. | ||||||||
Normalising | Heat to 870°C-900°C.Cool in still air. | ||||||||
Stress Relieving | Annealed: Heat to 600°C-650°C.Hardened: Heat to 500°C-550°C.Cool in still air. | ||||||||
Hardening | Heat to 830°C-880°C. Quench in oil or polymer. | ||||||||
Tempering | Heat to 450°C-700°C cool in still air. NB. Tempering within the range 200°C-420°C will result in temper brittleness and should be avoided. |
Chemical composition of Round Steel Rod / Bar
C | Si | Mn | Cr | Mo | P | S |
0.38-0.43 | 0.40max | 0.60-0.90 | 0.90-1.20 | 0.15-0.30 | ≤0.035 | ≤0.035 |
Produce Process of Round Steel Rod / Bar
Electric arc furnace melting→refining furnace→vacuum treatment furnace→
→cast ingot→steel ingot anneal→ heating → high-speed forging, refining
forging→annel,retarded cooling,air cooling→quenching and tempering
treatment→finishing operation→test→finished products
Contact Us
- Shandong Youjia New Materical Co., Ltd
- Contact nameBessie Jia
- AddressDongdu international plaza Ji'nan,Shandong
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