Technical data for SWRM8 wire rod for cold forming, compliant with JIS G3505. View the chemical composition, mechanical properties, and related technical requirements for this grade.
Supply and technical review · Creation Group accepts supply and technical review enquiries for this product. Dimensions, delivery condition, quantity and inspection documents are confirmed in the order technical agreement after review.
Elements not listed in this table shall not be intentionally added, except where necessary for steelmaking. However, B may be added upon agreement between the supplier and the purchaser. In this case, refer to Appendix JA.3. Note a) When specifying bar steel, append K to the end of the grade symbol. Example: SWRM10K b) JA.2 may also apply upon agreement between the supplier and the purchaser.
TECHNICAL NOTE
Application and ordering note
Chemical composition, mechanical properties, delivery condition and other technical requirements are subject to the currently applicable standard edition, customer drawings and the order technical agreement. Website information does not replace formal quality certification documents.
RFQ CHECKLIST
What to include in the enquiry
Grade and applicable standard
Diameter or section, delivery condition and quantity
Part drawing, forming stations or failure photos, if available
Testing, certificate or report requirements
RELATED CAPABILITIES
Related manufacturing and quality capabilities
Carbon equivalent calculator — SWRM8
Basis: JIS G3505
Chemical composition source: JIS G 3505:2017
Transcribed from the cited standard
Original source wording
Table 1
IIW / CEV
CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15Known-element contribution, not a complete value: 0.0000–0.2000
Missing elements: Cr, Mo, V, Ni, Cu
IIW/CEV: carbon and low-alloy steel weldability screening.
Pcm (Ito–Bessyo)
Pcm = C + Si/30 + (Mn + Cu + Cr)/20 + Ni/60 + Mo/15 + V/10 + 5BKnown-element contribution, not a complete value: 0.0000–0.1300
Missing elements: Si, Cu, Cr, Ni, Mo, V, B
Pcm: mainly low-carbon, low-alloy steels; confirm applicability, particularly when C exceeds 0.11%.
CET
CET = C + (Mn + Mo)/10 + (Cr + Cu)/20 + Ni/40Known-element contribution, not a complete value: 0.0000–0.1600
Missing elements: Mo, Cr, Cu, Ni
CET: ferritic-steel preheat assessment; confirm EN 1011-2 conditions.
A stated upper limit means 0 to that limit. A lower limit alone does not define an upper bound. Missing elements are unknown, not zero. Standard-limit combinations are not measured heat results.
Carbon equivalent supports weldability assessment; it does not approve cold heading, fastener strength or a welding procedure. These formulas do not directly apply to stainless steels, cast irons or non-ferrous metals.
